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Posted to dev@heron.apache.org by GitBox <gi...@apache.org> on 2018/05/02 19:52:36 UTC
[GitHub] nlu90 closed pull request #2881: Update license text in java files
nlu90 closed pull request #2881: Update license text in java files
URL: https://github.com/apache/incubator-heron/pull/2881
This is a PR merged from a forked repository.
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the sake of provenance:
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diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
index 61918ce283..90e8b8688a 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
index dba8f11484..326ba638e2 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/RandomString.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/RandomString.java
index 2d794d6177..36f12013ca 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/RandomString.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/RandomString.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Random;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulConsumerBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulConsumerBolt.java
index 5831a535c8..486d9f02e6 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulConsumerBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulConsumerBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulNumberSpout.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulNumberSpout.java
index aae0053fa9..f2566e8d28 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulNumberSpout.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulNumberSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulRandomIntSpout.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulRandomIntSpout.java
index 5c8bfcf04c..79076913b5 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulRandomIntSpout.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulRandomIntSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulWindowSumBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulWindowSumBolt.java
index 7d9b31ffeb..ec73c7ee6a 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulWindowSumBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/StatefulWindowSumBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
index 4bfd9c649f..7ae83a2ab1 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
index 05ad33f558..357196dc7c 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
index 583f0a5824..ca0c0aed8f 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.HashMap;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
index f31fabc357..7bd262a698 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.HashMap;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
index 35bd49991a..ca4740b161 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import org.apache.heron.api.bolt.BaseBasicBolt;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
index ff92a38d99..2ffc27107e 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.io.Serializable;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestUnits.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
index 4df8b42496..dfa3cc66c8 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
/**
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
index 5a45e20011..c65c2ef900 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-heron-examples/src/java/org/apache/heron/examples/eco/WordSpout.java b/eco-heron-examples/src/java/org/apache/heron/examples/eco/WordSpout.java
index 8ab4d31d96..250504b097 100644
--- a/eco-heron-examples/src/java/org/apache/heron/examples/eco/WordSpout.java
+++ b/eco-heron-examples/src/java/org/apache/heron/examples/eco/WordSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
index ed6bd07df3..204c2988a8 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/EvenAndOddBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
index e506f8cba0..68d1dbcb84 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/LogInfoBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
index 6c5376b74c..451246a1fa 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestFibonacciSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
index 0914677d2b..25f5e41126 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestIBasicPrintBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
index cde5bfd931..d168704de9 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameCounter.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.HashMap;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
index 101051e482..23c3e34f1c 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestNameSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.HashMap;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
index ef31403ebf..4ba65802eb 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPrintBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import org.apache.storm.topology.BasicOutputCollector;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
index ff92a38d99..2ffc27107e 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestPropertyHolder.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.io.Serializable;
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestUnits.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
index 4df8b42496..dfa3cc66c8 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestUnits.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
/**
diff --git a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
index 99facd180e..e6a9f2b3d1 100644
--- a/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
+++ b/eco-storm-examples/src/java/org/apache/heron/examples/eco/TestWindowBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.eco;
import java.util.Map;
diff --git a/eco/src/java/org/apache/heron/eco/Eco.java b/eco/src/java/org/apache/heron/eco/Eco.java
index ca1ea1440d..c5c2d4526d 100644
--- a/eco/src/java/org/apache/heron/eco/Eco.java
+++ b/eco/src/java/org/apache/heron/eco/Eco.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco;
import java.io.File;
diff --git a/eco/src/java/org/apache/heron/eco/builder/BoltBuilder.java b/eco/src/java/org/apache/heron/eco/builder/BoltBuilder.java
index b5f1ffdbdd..83da177e07 100644
--- a/eco/src/java/org/apache/heron/eco/builder/BoltBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/BoltBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/builder/BuilderUtility.java b/eco/src/java/org/apache/heron/eco/builder/BuilderUtility.java
index 7a217cfb59..148ea4cf68 100644
--- a/eco/src/java/org/apache/heron/eco/builder/BuilderUtility.java
+++ b/eco/src/java/org/apache/heron/eco/builder/BuilderUtility.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.Field;
diff --git a/eco/src/java/org/apache/heron/eco/builder/ComponentBuilder.java b/eco/src/java/org/apache/heron/eco/builder/ComponentBuilder.java
index 46a05f7ec4..e0db42cfbb 100644
--- a/eco/src/java/org/apache/heron/eco/builder/ComponentBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/ComponentBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/builder/ConfigBuilder.java b/eco/src/java/org/apache/heron/eco/builder/ConfigBuilder.java
index ccc5bc6a64..978158a2ba 100644
--- a/eco/src/java/org/apache/heron/eco/builder/ConfigBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/ConfigBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.util.List;
diff --git a/eco/src/java/org/apache/heron/eco/builder/ObjectBuilder.java b/eco/src/java/org/apache/heron/eco/builder/ObjectBuilder.java
index 47ff51bd63..9101963d20 100644
--- a/eco/src/java/org/apache/heron/eco/builder/ObjectBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/ObjectBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.Array;
diff --git a/eco/src/java/org/apache/heron/eco/builder/heron/EcoBuilder.java b/eco/src/java/org/apache/heron/eco/builder/heron/EcoBuilder.java
index 9e127f726d..f89a8ef227 100644
--- a/eco/src/java/org/apache/heron/eco/builder/heron/EcoBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/heron/EcoBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
diff --git a/eco/src/java/org/apache/heron/eco/builder/heron/SpoutBuilder.java b/eco/src/java/org/apache/heron/eco/builder/heron/SpoutBuilder.java
index 9948376877..6efa7807eb 100644
--- a/eco/src/java/org/apache/heron/eco/builder/heron/SpoutBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/heron/SpoutBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/builder/heron/StreamBuilder.java b/eco/src/java/org/apache/heron/eco/builder/heron/StreamBuilder.java
index ac42dfd117..d2d4530c22 100644
--- a/eco/src/java/org/apache/heron/eco/builder/heron/StreamBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/heron/StreamBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/builder/storm/EcoBuilder.java b/eco/src/java/org/apache/heron/eco/builder/storm/EcoBuilder.java
index 6be5979ab9..7e6953ce40 100644
--- a/eco/src/java/org/apache/heron/eco/builder/storm/EcoBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/storm/EcoBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
diff --git a/eco/src/java/org/apache/heron/eco/builder/storm/SpoutBuilder.java b/eco/src/java/org/apache/heron/eco/builder/storm/SpoutBuilder.java
index 15f94f0648..be3bc8eaec 100644
--- a/eco/src/java/org/apache/heron/eco/builder/storm/SpoutBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/storm/SpoutBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/builder/storm/StreamBuilder.java b/eco/src/java/org/apache/heron/eco/builder/storm/StreamBuilder.java
index a3762d6365..d6377ce7e3 100644
--- a/eco/src/java/org/apache/heron/eco/builder/storm/StreamBuilder.java
+++ b/eco/src/java/org/apache/heron/eco/builder/storm/StreamBuilder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/src/java/org/apache/heron/eco/definition/BeanDefinition.java b/eco/src/java/org/apache/heron/eco/definition/BeanDefinition.java
index 2489be2b3e..5eda906055 100644
--- a/eco/src/java/org/apache/heron/eco/definition/BeanDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/BeanDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class BeanDefinition extends ObjectDefinition {
diff --git a/eco/src/java/org/apache/heron/eco/definition/BeanListReference.java b/eco/src/java/org/apache/heron/eco/definition/BeanListReference.java
index 25233d946f..a6ee11bb8a 100644
--- a/eco/src/java/org/apache/heron/eco/definition/BeanListReference.java
+++ b/eco/src/java/org/apache/heron/eco/definition/BeanListReference.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.List;
diff --git a/eco/src/java/org/apache/heron/eco/definition/BeanReference.java b/eco/src/java/org/apache/heron/eco/definition/BeanReference.java
index da4ac41ffb..4434321117 100644
--- a/eco/src/java/org/apache/heron/eco/definition/BeanReference.java
+++ b/eco/src/java/org/apache/heron/eco/definition/BeanReference.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class BeanReference {
diff --git a/eco/src/java/org/apache/heron/eco/definition/BoltDefinition.java b/eco/src/java/org/apache/heron/eco/definition/BoltDefinition.java
index bcb6d0d830..84ac41fbac 100644
--- a/eco/src/java/org/apache/heron/eco/definition/BoltDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/BoltDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class BoltDefinition extends ObjectDefinition {
diff --git a/eco/src/java/org/apache/heron/eco/definition/ComponentStream.java b/eco/src/java/org/apache/heron/eco/definition/ComponentStream.java
index e33d035ecb..7791be8685 100644
--- a/eco/src/java/org/apache/heron/eco/definition/ComponentStream.java
+++ b/eco/src/java/org/apache/heron/eco/definition/ComponentStream.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class ComponentStream {
diff --git a/eco/src/java/org/apache/heron/eco/definition/ConfigurationMethodDefinition.java b/eco/src/java/org/apache/heron/eco/definition/ConfigurationMethodDefinition.java
index 6f5da4af2b..eb6eeac772 100644
--- a/eco/src/java/org/apache/heron/eco/definition/ConfigurationMethodDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/ConfigurationMethodDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.ArrayList;
diff --git a/eco/src/java/org/apache/heron/eco/definition/EcoExecutionContext.java b/eco/src/java/org/apache/heron/eco/definition/EcoExecutionContext.java
index 1061f69cb3..fa29af5aa0 100644
--- a/eco/src/java/org/apache/heron/eco/definition/EcoExecutionContext.java
+++ b/eco/src/java/org/apache/heron/eco/definition/EcoExecutionContext.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.HashMap;
diff --git a/eco/src/java/org/apache/heron/eco/definition/EcoTopologyDefinition.java b/eco/src/java/org/apache/heron/eco/definition/EcoTopologyDefinition.java
index 99261dcfa7..00a19dac3a 100644
--- a/eco/src/java/org/apache/heron/eco/definition/EcoTopologyDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/EcoTopologyDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.ArrayList;
diff --git a/eco/src/java/org/apache/heron/eco/definition/GroupingDefinition.java b/eco/src/java/org/apache/heron/eco/definition/GroupingDefinition.java
index 1690d697ef..ce144292bd 100644
--- a/eco/src/java/org/apache/heron/eco/definition/GroupingDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/GroupingDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.List;
diff --git a/eco/src/java/org/apache/heron/eco/definition/ObjectDefinition.java b/eco/src/java/org/apache/heron/eco/definition/ObjectDefinition.java
index 6ad931c51a..c81894895b 100644
--- a/eco/src/java/org/apache/heron/eco/definition/ObjectDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/ObjectDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
import java.util.ArrayList;
diff --git a/eco/src/java/org/apache/heron/eco/definition/PropertyDefinition.java b/eco/src/java/org/apache/heron/eco/definition/PropertyDefinition.java
index 8efbe0fc21..16586062a0 100644
--- a/eco/src/java/org/apache/heron/eco/definition/PropertyDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/PropertyDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class PropertyDefinition {
diff --git a/eco/src/java/org/apache/heron/eco/definition/SpoutDefinition.java b/eco/src/java/org/apache/heron/eco/definition/SpoutDefinition.java
index 3eb8681d24..8da368f5c1 100644
--- a/eco/src/java/org/apache/heron/eco/definition/SpoutDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/SpoutDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class SpoutDefinition extends ObjectDefinition {
diff --git a/eco/src/java/org/apache/heron/eco/definition/StreamDefinition.java b/eco/src/java/org/apache/heron/eco/definition/StreamDefinition.java
index d6cc6f6442..8fa4d3d2fe 100644
--- a/eco/src/java/org/apache/heron/eco/definition/StreamDefinition.java
+++ b/eco/src/java/org/apache/heron/eco/definition/StreamDefinition.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.definition;
public class StreamDefinition {
diff --git a/eco/src/java/org/apache/heron/eco/parser/EcoParser.java b/eco/src/java/org/apache/heron/eco/parser/EcoParser.java
index ce8fdb971c..e5583e6667 100644
--- a/eco/src/java/org/apache/heron/eco/parser/EcoParser.java
+++ b/eco/src/java/org/apache/heron/eco/parser/EcoParser.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.parser;
import java.io.ByteArrayOutputStream;
diff --git a/eco/src/java/org/apache/heron/eco/submit/EcoSubmitter.java b/eco/src/java/org/apache/heron/eco/submit/EcoSubmitter.java
index 67b05eedb3..26c7765e4d 100644
--- a/eco/src/java/org/apache/heron/eco/submit/EcoSubmitter.java
+++ b/eco/src/java/org/apache/heron/eco/submit/EcoSubmitter.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.submit;
import org.apache.heron.api.Config;
diff --git a/eco/tests/java/org/apache/heron/eco/EcoTest.java b/eco/tests/java/org/apache/heron/eco/EcoTest.java
index c2a107a493..5ca1efadc0 100644
--- a/eco/tests/java/org/apache/heron/eco/EcoTest.java
+++ b/eco/tests/java/org/apache/heron/eco/EcoTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco;
import java.io.FileInputStream;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/BoltBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/BoltBuilderTest.java
index c917602f0d..be07c2da04 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/BoltBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/BoltBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/BuilderUtilityTest.java b/eco/tests/java/org/apache/heron/eco/builder/BuilderUtilityTest.java
index 01543eabbf..cc7ef6638f 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/BuilderUtilityTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/BuilderUtilityTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/ComponentBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/ComponentBuilderTest.java
index 71aba934ec..29839d54c8 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/ComponentBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/ComponentBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/ConfigBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/ConfigBuilderTest.java
index 6cbd337356..dfbf3dd9ed 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/ConfigBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/ConfigBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.io.ByteArrayInputStream;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/ObjectBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/ObjectBuilderTest.java
index a4da82166b..6bdd1d0300 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/ObjectBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/ObjectBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronEcoBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronEcoBuilderTest.java
index cbfc1db9c0..386889dc9a 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronEcoBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronEcoBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronSpoutBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronSpoutBuilderTest.java
index 85fd1c5744..00b2c6a916 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronSpoutBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronSpoutBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronStreamBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronStreamBuilderTest.java
index c07c52c652..47f1b6a68e 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/heron/HeronStreamBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/heron/HeronStreamBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.heron;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/storm/StormEcoBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/storm/StormEcoBuilderTest.java
index 9d1e46feb1..64e2c2fa32 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/storm/StormEcoBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/storm/StormEcoBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/storm/StormSpoutBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/storm/StormSpoutBuilderTest.java
index 11c83ec689..b1362474fc 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/storm/StormSpoutBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/storm/StormSpoutBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/builder/storm/StormStreamBuilderTest.java b/eco/tests/java/org/apache/heron/eco/builder/storm/StormStreamBuilderTest.java
index 34a78a267b..95df65203c 100644
--- a/eco/tests/java/org/apache/heron/eco/builder/storm/StormStreamBuilderTest.java
+++ b/eco/tests/java/org/apache/heron/eco/builder/storm/StormStreamBuilderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.builder.storm;
import java.lang.reflect.InvocationTargetException;
diff --git a/eco/tests/java/org/apache/heron/eco/parser/EcoParserTest.java b/eco/tests/java/org/apache/heron/eco/parser/EcoParserTest.java
index d0a60eb0bf..9e665b77b8 100644
--- a/eco/tests/java/org/apache/heron/eco/parser/EcoParserTest.java
+++ b/eco/tests/java/org/apache/heron/eco/parser/EcoParserTest.java
@@ -1,127 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-package org.apache.heron.eco.parser;
-
-import java.io.ByteArrayInputStream;
-import java.io.FileInputStream;
-import java.io.InputStream;
-import java.util.List;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.powermock.api.mockito.PowerMockito;
-
-import org.apache.heron.eco.definition.BeanDefinition;
-import org.apache.heron.eco.definition.BeanReference;
-import org.apache.heron.eco.definition.BoltDefinition;
-import org.apache.heron.eco.definition.EcoTopologyDefinition;
-import org.apache.heron.eco.definition.GroupingDefinition;
-import org.apache.heron.eco.definition.PropertyDefinition;
-import org.apache.heron.eco.definition.StreamDefinition;
-
-import static junit.framework.TestCase.assertNotNull;
-import static org.hamcrest.CoreMatchers.equalTo;
-import static org.hamcrest.CoreMatchers.is;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertThat;
-
-
/**
- * Unit tests for {@link EcoParser}
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-public class EcoParserTest {
-
-
- private static final String BOLT_1 = "bolt-1";
- private static final String BOLT_2 = "bolt-2";
- private static final String YAML_NO_CONFIG_STR = "# Licensed to the Apache Software Foundation"
- + " (ASF) under one\n"
- + "# or more contributor license agreements. See the NOTICE file\n"
- + "# distributed with this work for additional information\n"
- + "# regarding copyright ownership. The ASF licenses this file\n"
- + "# to you under the Apache License, Version 2.0 (the\n"
- + "# \"License\"); you may not use this file except in compliance\n"
- + "# with the License. You may obtain a copy of the License at\n"
- + "#\n"
- + "# http://www.apache.org/licenses/LICENSE-2.0\n"
- + "#\n"
- + "# Unless required by applicable law or agreed to in writing, software\n"
- + "# distributed under the License is distributed on an \"AS IS\" BASIS,\n"
- + "# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
- + "# See the License for the specific language governing permissions and\n"
- + "# limitations under the License.\n"
- + "\n"
- + "---\n"
- + "\n"
- + "# topology definition\n"
- + "# name to be used when submitting\n"
- + "name: \"yaml-topology\"\n"
- + "\n"
- + "# topology configuration\n"
- + "# this will be passed to the submitter as a map of config options\n"
- + "#\n"
- + "# spout definitions\n"
- + "spouts:\n"
- + " - id: \"spout-1\"\n"
- + " className: \"org.apache.heron.sample.TestWordSpout\"\n"
- + " parallelism: 1\n"
- + "\n"
- + "# bolt definitions\n"
- + "bolts:\n"
- + " - id: \"bolt-1\"\n"
- + " className: \"org.apache.heron.sample.TestWordCounter\"\n"
- + " parallelism: 2\n"
- + "\n"
- + " - id: \"bolt-2\"\n"
- + " className: \"org.apache.heron.sample.LogInfoBolt\"\n"
- + " parallelism: 1\n"
- + "\n"
- + "#stream definitions\n"
- + "# stream definitions define connections between spouts and bolts.\n"
- + "# note that such connections can be cyclical\n"
- + "streams:\n"
- + " - name: \"spout-1 --> bolt-1\" # name isn't used (placeholder for logging, UI, etc.)\n"
- + " id: \"connection-1\"\n"
- + " from: \"spout-1\"\n"
- + " to: \"bolt-1\"\n"
- + " grouping:\n"
- + " type: FIELDS\n"
- + " args: [\"word\"]\n"
- + "\n"
- + " - name: \"bolt-1 --> bolt2\"\n"
- + " id: \"connection-2\"\n"
- + " from: \"bolt-1\"\n"
- + " to: \"bolt-2\"\n"
- + " grouping:\n"
- + " type: SHUFFLE";
- private static final String YAML_STR = "# Licensed to the Apache Software Foundation"
- + " (ASF) under one\n"
- + "# or more contributor license agreements. See the NOTICE file\n"
- + "# distributed with this work for additional information\n"
- + "# regarding copyright ownership. The ASF licenses this file\n"
- + "# to you under the Apache License, Version 2.0 (the\n"
- + "# \"License\"); you may not use this file except in compliance\n"
- + "# with the License. You may obtain a copy of the License at\n"
- + "#\n"
- + "# http://www.apache.org/licenses/LICENSE-2.0\n"
- + "#\n"
- + "# Unless required by applicable law or agreed to in writing, software\n"
- + "# distributed under the License is distributed on an \"AS IS\" BASIS,\n"
- + "# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n"
- + "# See the License for the specific language governing permissions and\n"
- + "# limitations under the License.\n"
+\n"
+ "\n"
+ "---\n"
+ "\n"
diff --git a/eco/tests/java/org/apache/heron/eco/submit/EcoSubmitterTest.java b/eco/tests/java/org/apache/heron/eco/submit/EcoSubmitterTest.java
index 1b7bf82d00..c386f60e2f 100644
--- a/eco/tests/java/org/apache/heron/eco/submit/EcoSubmitterTest.java
+++ b/eco/tests/java/org/apache/heron/eco/submit/EcoSubmitterTest.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.eco.submit;
import org.junit.Before;
diff --git a/examples/src/java/org/apache/heron/examples/api/AckingTopology.java b/examples/src/java/org/apache/heron/examples/api/AckingTopology.java
index f7893b04a4..23217bfb49 100644
--- a/examples/src/java/org/apache/heron/examples/api/AckingTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/AckingTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/ComponentJVMOptionsTopology.java b/examples/src/java/org/apache/heron/examples/api/ComponentJVMOptionsTopology.java
index 9dec82f5b2..a65e8255a0 100644
--- a/examples/src/java/org/apache/heron/examples/api/ComponentJVMOptionsTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/ComponentJVMOptionsTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/CustomGroupingTopology.java b/examples/src/java/org/apache/heron/examples/api/CustomGroupingTopology.java
index 64ea6fada8..4016ee2c59 100644
--- a/examples/src/java/org/apache/heron/examples/api/CustomGroupingTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/CustomGroupingTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/ExampleResources.java b/examples/src/java/org/apache/heron/examples/api/ExampleResources.java
index f116237925..c5c66a44e2 100644
--- a/examples/src/java/org/apache/heron/examples/api/ExampleResources.java
+++ b/examples/src/java/org/apache/heron/examples/api/ExampleResources.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
import org.apache.heron.common.basics.ByteAmount;
diff --git a/examples/src/java/org/apache/heron/examples/api/ExclamationTopology.java b/examples/src/java/org/apache/heron/examples/api/ExclamationTopology.java
index 58e9cafbe2..363c71cfd0 100644
--- a/examples/src/java/org/apache/heron/examples/api/ExclamationTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/ExclamationTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/MultiSpoutExclamationTopology.java b/examples/src/java/org/apache/heron/examples/api/MultiSpoutExclamationTopology.java
index cc01975d18..e9cdf8ab09 100644
--- a/examples/src/java/org/apache/heron/examples/api/MultiSpoutExclamationTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/MultiSpoutExclamationTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/MultiStageAckingTopology.java b/examples/src/java/org/apache/heron/examples/api/MultiStageAckingTopology.java
index 7869ae01ad..a9bff79be7 100644
--- a/examples/src/java/org/apache/heron/examples/api/MultiStageAckingTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/MultiStageAckingTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/SentenceWordCountTopology.java b/examples/src/java/org/apache/heron/examples/api/SentenceWordCountTopology.java
index aed15c0f17..8f8ae2c98b 100644
--- a/examples/src/java/org/apache/heron/examples/api/SentenceWordCountTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/SentenceWordCountTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/SlidingWindowTopology.java b/examples/src/java/org/apache/heron/examples/api/SlidingWindowTopology.java
index fdb87d4839..9f5522ca85 100644
--- a/examples/src/java/org/apache/heron/examples/api/SlidingWindowTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/SlidingWindowTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/StatefulSlidingWindowTopology.java b/examples/src/java/org/apache/heron/examples/api/StatefulSlidingWindowTopology.java
index 062bf1fce3..9b069c14c5 100644
--- a/examples/src/java/org/apache/heron/examples/api/StatefulSlidingWindowTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/StatefulSlidingWindowTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/StatefulWordCountTopology.java b/examples/src/java/org/apache/heron/examples/api/StatefulWordCountTopology.java
index 812f711048..6208727e39 100644
--- a/examples/src/java/org/apache/heron/examples/api/StatefulWordCountTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/StatefulWordCountTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/TaskHookTopology.java b/examples/src/java/org/apache/heron/examples/api/TaskHookTopology.java
index 19c31af0c8..33047e98a3 100644
--- a/examples/src/java/org/apache/heron/examples/api/TaskHookTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/TaskHookTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/WindowedWordCountTopology.java b/examples/src/java/org/apache/heron/examples/api/WindowedWordCountTopology.java
index 31326088a5..e237e6cdb3 100644
--- a/examples/src/java/org/apache/heron/examples/api/WindowedWordCountTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/WindowedWordCountTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
import java.util.HashMap;
diff --git a/examples/src/java/org/apache/heron/examples/api/WordCountTopology.java b/examples/src/java/org/apache/heron/examples/api/WordCountTopology.java
index 2b8ecb3aac..0a919d86aa 100644
--- a/examples/src/java/org/apache/heron/examples/api/WordCountTopology.java
+++ b/examples/src/java/org/apache/heron/examples/api/WordCountTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api;
diff --git a/examples/src/java/org/apache/heron/examples/api/bolt/PrinterBolt.java b/examples/src/java/org/apache/heron/examples/api/bolt/PrinterBolt.java
index 21e98526c4..c685d3cc55 100644
--- a/examples/src/java/org/apache/heron/examples/api/bolt/PrinterBolt.java
+++ b/examples/src/java/org/apache/heron/examples/api/bolt/PrinterBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api.bolt;
import org.apache.heron.api.bolt.BaseBasicBolt;
diff --git a/examples/src/java/org/apache/heron/examples/api/bolt/SlidingWindowSumBolt.java b/examples/src/java/org/apache/heron/examples/api/bolt/SlidingWindowSumBolt.java
index e3e6c6738a..5db8911411 100644
--- a/examples/src/java/org/apache/heron/examples/api/bolt/SlidingWindowSumBolt.java
+++ b/examples/src/java/org/apache/heron/examples/api/bolt/SlidingWindowSumBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api.bolt;
import java.util.List;
diff --git a/examples/src/java/org/apache/heron/examples/api/spout/RandomIntegerSpout.java b/examples/src/java/org/apache/heron/examples/api/spout/RandomIntegerSpout.java
index 7a8246166a..5e503c1e8a 100644
--- a/examples/src/java/org/apache/heron/examples/api/spout/RandomIntegerSpout.java
+++ b/examples/src/java/org/apache/heron/examples/api/spout/RandomIntegerSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api.spout;
import java.util.Map;
diff --git a/examples/src/java/org/apache/heron/examples/api/spout/TestWordSpout.java b/examples/src/java/org/apache/heron/examples/api/spout/TestWordSpout.java
index e88243ee28..e229d5b6b3 100644
--- a/examples/src/java/org/apache/heron/examples/api/spout/TestWordSpout.java
+++ b/examples/src/java/org/apache/heron/examples/api/spout/TestWordSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.api.spout;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/FilesystemSinkTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/FilesystemSinkTopology.java
index cd3c3ea9b5..a0e8c317fa 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/FilesystemSinkTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/FilesystemSinkTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/FormattedOutputTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/FormattedOutputTopology.java
index 0e63ae56b8..cf4e908925 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/FormattedOutputTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/FormattedOutputTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/ImpressionsAndClicksTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/ImpressionsAndClicksTopology.java
index df6c6335fb..34184c9500 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/ImpressionsAndClicksTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/ImpressionsAndClicksTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/IntegerProcessingTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/IntegerProcessingTopology.java
index 71d9e77cbe..453ee880ba 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/IntegerProcessingTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/IntegerProcessingTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/RepartitionTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/RepartitionTopology.java
index 5bddc1164e..f99cfd2ae5 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/RepartitionTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/RepartitionTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/SimplePulsarSourceTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/SimplePulsarSourceTopology.java
index ca27a132dd..e2a852c029 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/SimplePulsarSourceTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/SimplePulsarSourceTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/SmartWatchTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/SmartWatchTopology.java
index 7e38932b12..b82ad16708 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/SmartWatchTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/SmartWatchTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/StreamletCloneTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/StreamletCloneTopology.java
index 724e17e6a9..843da57f63 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/StreamletCloneTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/StreamletCloneTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/TransformsTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/TransformsTopology.java
index 40b4b05d5f..2a21a5e5dd 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/TransformsTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/TransformsTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/WindowedWordCountTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/WindowedWordCountTopology.java
index 63e9be7508..bce855c327 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/WindowedWordCountTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/WindowedWordCountTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/WireRequestsTopology.java b/examples/src/java/org/apache/heron/examples/streamlet/WireRequestsTopology.java
index 1e0fa77e4d..6318982ad3 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/WireRequestsTopology.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/WireRequestsTopology.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet;
diff --git a/examples/src/java/org/apache/heron/examples/streamlet/utils/StreamletUtils.java b/examples/src/java/org/apache/heron/examples/streamlet/utils/StreamletUtils.java
index bde0ba458b..7feac09f4f 100644
--- a/examples/src/java/org/apache/heron/examples/streamlet/utils/StreamletUtils.java
+++ b/examples/src/java/org/apache/heron/examples/streamlet/utils/StreamletUtils.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.examples.streamlet.utils;
diff --git a/heron/api/src/java/org/apache/heron/api/Config.java b/heron/api/src/java/org/apache/heron/api/Config.java
index c6f7c39b07..f1495d4b47 100644
--- a/heron/api/src/java/org/apache/heron/api/Config.java
+++ b/heron/api/src/java/org/apache/heron/api/Config.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api;
import java.nio.charset.StandardCharsets;
diff --git a/heron/api/src/java/org/apache/heron/api/Constants.java b/heron/api/src/java/org/apache/heron/api/Constants.java
index da2c98f2b0..013b770b2c 100644
--- a/heron/api/src/java/org/apache/heron/api/Constants.java
+++ b/heron/api/src/java/org/apache/heron/api/Constants.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api;
diff --git a/heron/api/src/java/org/apache/heron/api/HeronSubmitter.java b/heron/api/src/java/org/apache/heron/api/HeronSubmitter.java
index 41eb13adb4..3897102fcf 100644
--- a/heron/api/src/java/org/apache/heron/api/HeronSubmitter.java
+++ b/heron/api/src/java/org/apache/heron/api/HeronSubmitter.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api;
diff --git a/heron/api/src/java/org/apache/heron/api/HeronTopology.java b/heron/api/src/java/org/apache/heron/api/HeronTopology.java
index 1ebc82c508..e0aaeffc79 100644
--- a/heron/api/src/java/org/apache/heron/api/HeronTopology.java
+++ b/heron/api/src/java/org/apache/heron/api/HeronTopology.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/Pair.java b/heron/api/src/java/org/apache/heron/api/Pair.java
index 24f21d4d87..675a0bede0 100644
--- a/heron/api/src/java/org/apache/heron/api/Pair.java
+++ b/heron/api/src/java/org/apache/heron/api/Pair.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BaseBasicBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/BaseBasicBolt.java
index 96d962329f..fb47ff3271 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BaseBasicBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BaseBasicBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BaseRichBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/BaseRichBolt.java
index b2545cef10..0d2afda822 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BaseRichBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BaseRichBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import org.apache.heron.api.topology.BaseComponent;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BaseStatefulWindowedBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/BaseStatefulWindowedBolt.java
index 81f786d2fc..4d29285729 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BaseStatefulWindowedBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BaseStatefulWindowedBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.bolt;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BaseWindowedBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/BaseWindowedBolt.java
index 7bd753c6b8..0fd425cf29 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BaseWindowedBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BaseWindowedBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.bolt;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BasicBoltExecutor.java b/heron/api/src/java/org/apache/heron/api/bolt/BasicBoltExecutor.java
index ebf7a12269..4ca4165cec 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BasicBoltExecutor.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BasicBoltExecutor.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/BasicOutputCollector.java b/heron/api/src/java/org/apache/heron/api/bolt/BasicOutputCollector.java
index 83cfc315a3..54a66a8871 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/BasicOutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/BasicOutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IBasicBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/IBasicBolt.java
index 24270d33ce..3e685fbabb 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IBasicBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IBasicBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IBasicOutputCollector.java b/heron/api/src/java/org/apache/heron/api/bolt/IBasicOutputCollector.java
index 2037194df5..253410ab80 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IBasicOutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IBasicOutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/IBolt.java
index a7d743bbff..f294997d50 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IErrorReporter.java b/heron/api/src/java/org/apache/heron/api/bolt/IErrorReporter.java
index f44f22c4e1..eef0e0f701 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IErrorReporter.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IErrorReporter.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
public interface IErrorReporter {
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IOutputCollector.java b/heron/api/src/java/org/apache/heron/api/bolt/IOutputCollector.java
index 7d5a6fcd8f..b3d52a3085 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IOutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IOutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.Collection;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IRichBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/IRichBolt.java
index 8fa2c3bfda..98b50f9918 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IRichBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IRichBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import org.apache.heron.api.topology.IComponent;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IStatefulWindowedBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/IStatefulWindowedBolt.java
index 6ecc2ff5c5..6864fe72f7 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IStatefulWindowedBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IStatefulWindowedBolt.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.api.bolt;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/IWindowedBolt.java b/heron/api/src/java/org/apache/heron/api/bolt/IWindowedBolt.java
index 62db8f2024..9e4de7ec57 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/IWindowedBolt.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/IWindowedBolt.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.bolt;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/OutputCollector.java b/heron/api/src/java/org/apache/heron/api/bolt/OutputCollector.java
index 3228b9a994..59351a191a 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/OutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/OutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.bolt;
import java.util.Arrays;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/StatefulWindowedBoltExecutor.java b/heron/api/src/java/org/apache/heron/api/bolt/StatefulWindowedBoltExecutor.java
index 4abf1418fc..d63acba17a 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/StatefulWindowedBoltExecutor.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/StatefulWindowedBoltExecutor.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.bolt;
diff --git a/heron/api/src/java/org/apache/heron/api/bolt/WindowedBoltExecutor.java b/heron/api/src/java/org/apache/heron/api/bolt/WindowedBoltExecutor.java
index c96f96a443..1789fb3da6 100644
--- a/heron/api/src/java/org/apache/heron/api/bolt/WindowedBoltExecutor.java
+++ b/heron/api/src/java/org/apache/heron/api/bolt/WindowedBoltExecutor.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.bolt;
diff --git a/heron/api/src/java/org/apache/heron/api/exception/AlreadyAliveException.java b/heron/api/src/java/org/apache/heron/api/exception/AlreadyAliveException.java
index 6fbdd0719c..de078e78df 100644
--- a/heron/api/src/java/org/apache/heron/api/exception/AlreadyAliveException.java
+++ b/heron/api/src/java/org/apache/heron/api/exception/AlreadyAliveException.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.exception;
public class AlreadyAliveException extends Exception {
diff --git a/heron/api/src/java/org/apache/heron/api/exception/FailedException.java b/heron/api/src/java/org/apache/heron/api/exception/FailedException.java
index aa9cd72b47..c5b7efa7dc 100644
--- a/heron/api/src/java/org/apache/heron/api/exception/FailedException.java
+++ b/heron/api/src/java/org/apache/heron/api/exception/FailedException.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.exception;
public class FailedException extends RuntimeException {
diff --git a/heron/api/src/java/org/apache/heron/api/exception/InvalidTopologyException.java b/heron/api/src/java/org/apache/heron/api/exception/InvalidTopologyException.java
index a022ed7e4d..57921c1fb7 100644
--- a/heron/api/src/java/org/apache/heron/api/exception/InvalidTopologyException.java
+++ b/heron/api/src/java/org/apache/heron/api/exception/InvalidTopologyException.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.exception;
public class InvalidTopologyException extends Exception {
diff --git a/heron/api/src/java/org/apache/heron/api/exception/ReportedFailedException.java b/heron/api/src/java/org/apache/heron/api/exception/ReportedFailedException.java
index 603b57c68e..c17b1eb9c6 100644
--- a/heron/api/src/java/org/apache/heron/api/exception/ReportedFailedException.java
+++ b/heron/api/src/java/org/apache/heron/api/exception/ReportedFailedException.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.exception;
public class ReportedFailedException extends FailedException {
diff --git a/heron/api/src/java/org/apache/heron/api/exception/TopologySubmissionException.java b/heron/api/src/java/org/apache/heron/api/exception/TopologySubmissionException.java
index 78d49a7668..28cb4f3404 100644
--- a/heron/api/src/java/org/apache/heron/api/exception/TopologySubmissionException.java
+++ b/heron/api/src/java/org/apache/heron/api/exception/TopologySubmissionException.java
@@ -1,16 +1,22 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.exception;
diff --git a/heron/api/src/java/org/apache/heron/api/grouping/CustomStreamGrouping.java b/heron/api/src/java/org/apache/heron/api/grouping/CustomStreamGrouping.java
index 01f6d8adec..627c385374 100644
--- a/heron/api/src/java/org/apache/heron/api/grouping/CustomStreamGrouping.java
+++ b/heron/api/src/java/org/apache/heron/api/grouping/CustomStreamGrouping.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.grouping;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/BaseTaskHook.java b/heron/api/src/java/org/apache/heron/api/hooks/BaseTaskHook.java
index 99d48261f8..76aea06aa1 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/BaseTaskHook.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/BaseTaskHook.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/ITaskHook.java b/heron/api/src/java/org/apache/heron/api/hooks/ITaskHook.java
index c3f4fdb8f5..9573f41ed7 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/ITaskHook.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/ITaskHook.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltAckInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltAckInfo.java
index 19f1ba5eba..57169f2c93 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltAckInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltAckInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.time.Duration;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltExecuteInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltExecuteInfo.java
index 65c53a899f..1efcbaee8d 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltExecuteInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltExecuteInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.time.Duration;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltFailInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltFailInfo.java
index 1c258be0eb..8b5aaa30af 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/BoltFailInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/BoltFailInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.time.Duration;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/EmitInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/EmitInfo.java
index 1413e6a85c..7370be558b 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/EmitInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/EmitInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.util.Collection;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutAckInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutAckInfo.java
index 9ebe0d41d1..36c6d1c9e5 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutAckInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutAckInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.time.Duration;
diff --git a/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutFailInfo.java b/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutFailInfo.java
index cab24c7756..0e4839e6b8 100644
--- a/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutFailInfo.java
+++ b/heron/api/src/java/org/apache/heron/api/hooks/info/SpoutFailInfo.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.hooks.info;
import java.time.Duration;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/AssignableMetric.java b/heron/api/src/java/org/apache/heron/api/metric/AssignableMetric.java
index 228f67badc..017697d6f8 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/AssignableMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/AssignableMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
public class AssignableMetric<T> implements IMetric<T> {
diff --git a/heron/api/src/java/org/apache/heron/api/metric/CombinedMetric.java b/heron/api/src/java/org/apache/heron/api/metric/CombinedMetric.java
index 62fffb74ba..343388009d 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/CombinedMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/CombinedMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
public class CombinedMetric<T> implements IMetric<T> {
diff --git a/heron/api/src/java/org/apache/heron/api/metric/ConcurrentCountMetric.java b/heron/api/src/java/org/apache/heron/api/metric/ConcurrentCountMetric.java
index 4d94be39be..0114cc12e2 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/ConcurrentCountMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/ConcurrentCountMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
// A thread safe count metric
diff --git a/heron/api/src/java/org/apache/heron/api/metric/CountMetric.java b/heron/api/src/java/org/apache/heron/api/metric/CountMetric.java
index 6c78ef6957..355a7ff816 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/CountMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/CountMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
public class CountMetric implements IMetric<Long> {
diff --git a/heron/api/src/java/org/apache/heron/api/metric/CountStatAndMetric.java b/heron/api/src/java/org/apache/heron/api/metric/CountStatAndMetric.java
index 54d6bb4e6b..2723154fd7 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/CountStatAndMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/CountStatAndMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/GlobalMetrics.java b/heron/api/src/java/org/apache/heron/api/metric/GlobalMetrics.java
index e951431901..9943319d6b 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/GlobalMetrics.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/GlobalMetrics.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/ICombiner.java b/heron/api/src/java/org/apache/heron/api/metric/ICombiner.java
index c5019f4754..42bee4e379 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/ICombiner.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/ICombiner.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
/**
diff --git a/heron/api/src/java/org/apache/heron/api/metric/IMetric.java b/heron/api/src/java/org/apache/heron/api/metric/IMetric.java
index f95d0a867c..ae26a38f49 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/IMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/IMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
/**
diff --git a/heron/api/src/java/org/apache/heron/api/metric/IMetricsRegister.java b/heron/api/src/java/org/apache/heron/api/metric/IMetricsRegister.java
index 3d0dcae6eb..01728c4cb9 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/IMetricsRegister.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/IMetricsRegister.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/IReducer.java b/heron/api/src/java/org/apache/heron/api/metric/IReducer.java
index 94d1407b4d..cdf75c626c 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/IReducer.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/IReducer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
/**
diff --git a/heron/api/src/java/org/apache/heron/api/metric/LatencyStatAndMetric.java b/heron/api/src/java/org/apache/heron/api/metric/LatencyStatAndMetric.java
index aeb00272cd..8031255035 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/LatencyStatAndMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/LatencyStatAndMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.metric;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MeanReducer.java b/heron/api/src/java/org/apache/heron/api/metric/MeanReducer.java
index 3107750a38..044f1af6ab 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MeanReducer.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MeanReducer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
public class MeanReducer implements IReducer<MeanReducerState, Number, Double> {
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MeanReducerState.java b/heron/api/src/java/org/apache/heron/api/metric/MeanReducerState.java
index cdff3c3c93..51acb88674 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MeanReducerState.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MeanReducerState.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
public class MeanReducerState {
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MetricStatTimer.java b/heron/api/src/java/org/apache/heron/api/metric/MetricStatTimer.java
index dfc5c55a82..0061fefe3c 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MetricStatTimer.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MetricStatTimer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.util.Timer;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MultiAssignableMetric.java b/heron/api/src/java/org/apache/heron/api/metric/MultiAssignableMetric.java
index 354606e1f3..d00a93ccc9 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MultiAssignableMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MultiAssignableMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MultiCountMetric.java b/heron/api/src/java/org/apache/heron/api/metric/MultiCountMetric.java
index 95fe3937df..2f2fee0475 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MultiCountMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MultiCountMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/MultiReducedMetric.java b/heron/api/src/java/org/apache/heron/api/metric/MultiReducedMetric.java
index 2d0e396372..951279366f 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/MultiReducedMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/MultiReducedMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/metric/ReducedMetric.java b/heron/api/src/java/org/apache/heron/api/metric/ReducedMetric.java
index a1054d4f5a..64d45ec09d 100644
--- a/heron/api/src/java/org/apache/heron/api/metric/ReducedMetric.java
+++ b/heron/api/src/java/org/apache/heron/api/metric/ReducedMetric.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.metric;
/**
diff --git a/heron/api/src/java/org/apache/heron/api/serializer/IPluggableSerializer.java b/heron/api/src/java/org/apache/heron/api/serializer/IPluggableSerializer.java
index d9773e8806..c61dae8125 100644
--- a/heron/api/src/java/org/apache/heron/api/serializer/IPluggableSerializer.java
+++ b/heron/api/src/java/org/apache/heron/api/serializer/IPluggableSerializer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.serializer;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/serializer/JavaSerializer.java b/heron/api/src/java/org/apache/heron/api/serializer/JavaSerializer.java
index 9c89e1666d..79a5d61c4e 100644
--- a/heron/api/src/java/org/apache/heron/api/serializer/JavaSerializer.java
+++ b/heron/api/src/java/org/apache/heron/api/serializer/JavaSerializer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.serializer;
import java.io.ByteArrayInputStream;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/BaseRichSpout.java b/heron/api/src/java/org/apache/heron/api/spout/BaseRichSpout.java
index 01c545e75e..dd04c301f8 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/BaseRichSpout.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/BaseRichSpout.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import org.apache.heron.api.topology.BaseComponent;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/IMultiSchemableSpout.java b/heron/api/src/java/org/apache/heron/api/spout/IMultiSchemableSpout.java
index 9d8ce997ee..2e532df8bd 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/IMultiSchemableSpout.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/IMultiSchemableSpout.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
public interface IMultiSchemableSpout {
diff --git a/heron/api/src/java/org/apache/heron/api/spout/IRichSpout.java b/heron/api/src/java/org/apache/heron/api/spout/IRichSpout.java
index 5718a66af3..831be22f63 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/IRichSpout.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/IRichSpout.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import org.apache.heron.api.topology.IComponent;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/ISchemableSpout.java b/heron/api/src/java/org/apache/heron/api/spout/ISchemableSpout.java
index bd5dab9770..a28fe991fd 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/ISchemableSpout.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/ISchemableSpout.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/ISpout.java b/heron/api/src/java/org/apache/heron/api/spout/ISpout.java
index 0de99fc24b..9c603aa353 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/ISpout.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/ISpout.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/ISpoutOutputCollector.java b/heron/api/src/java/org/apache/heron/api/spout/ISpoutOutputCollector.java
index d64adbce3d..c274ec76d4 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/ISpoutOutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/ISpoutOutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/MultiScheme.java b/heron/api/src/java/org/apache/heron/api/spout/MultiScheme.java
index 62dfb2cde3..f254a0a3b2 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/MultiScheme.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/MultiScheme.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/RawMultiScheme.java b/heron/api/src/java/org/apache/heron/api/spout/RawMultiScheme.java
index acf58e405d..864531ff78 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/RawMultiScheme.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/RawMultiScheme.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/RawScheme.java b/heron/api/src/java/org/apache/heron/api/spout/RawScheme.java
index ea9a7281d4..258e3ce1cc 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/RawScheme.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/RawScheme.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/Scheme.java b/heron/api/src/java/org/apache/heron/api/spout/Scheme.java
index db0b792ce3..c972f11873 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/Scheme.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/Scheme.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/SchemeAsMultiScheme.java b/heron/api/src/java/org/apache/heron/api/spout/SchemeAsMultiScheme.java
index 62d6a32c49..b3caa320fc 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/SchemeAsMultiScheme.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/SchemeAsMultiScheme.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.util.Arrays;
diff --git a/heron/api/src/java/org/apache/heron/api/spout/SpoutOutputCollector.java b/heron/api/src/java/org/apache/heron/api/spout/SpoutOutputCollector.java
index b5f206f48a..36e8208b69 100644
--- a/heron/api/src/java/org/apache/heron/api/spout/SpoutOutputCollector.java
+++ b/heron/api/src/java/org/apache/heron/api/spout/SpoutOutputCollector.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.spout;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/state/HashMapState.java b/heron/api/src/java/org/apache/heron/api/state/HashMapState.java
index 152e2eeac5..ea6d05298b 100644
--- a/heron/api/src/java/org/apache/heron/api/state/HashMapState.java
+++ b/heron/api/src/java/org/apache/heron/api/state/HashMapState.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.state;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/state/State.java b/heron/api/src/java/org/apache/heron/api/state/State.java
index 60bbfe10d6..44b123a96a 100644
--- a/heron/api/src/java/org/apache/heron/api/state/State.java
+++ b/heron/api/src/java/org/apache/heron/api/state/State.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.state;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/BaseComponent.java b/heron/api/src/java/org/apache/heron/api/topology/BaseComponent.java
index e171f87995..6625abcee7 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/BaseComponent.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/BaseComponent.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/BaseComponentDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/BaseComponentDeclarer.java
index 997778c28e..8f41bbecc4 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/BaseComponentDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/BaseComponentDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/BaseConfigurationDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/BaseConfigurationDeclarer.java
index d7d73ef1aa..f5ff9afcdd 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/BaseConfigurationDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/BaseConfigurationDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/BoltDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/BoltDeclarer.java
index d8352c6914..1956e922b8 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/BoltDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/BoltDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.LinkedList;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/ComponentConfigurationDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/ComponentConfigurationDeclarer.java
index 3774405f18..1c3b8176bb 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/ComponentConfigurationDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/ComponentConfigurationDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/GeneralTopologyContext.java b/heron/api/src/java/org/apache/heron/api/topology/GeneralTopologyContext.java
index 858532fdb1..6ae0422975 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/GeneralTopologyContext.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/GeneralTopologyContext.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.List;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/IComponent.java b/heron/api/src/java/org/apache/heron/api/topology/IComponent.java
index 159bd5a045..a56618d4ee 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/IComponent.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/IComponent.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/IStatefulComponent.java b/heron/api/src/java/org/apache/heron/api/topology/IStatefulComponent.java
index 4fa3719602..7921fa73c0 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/IStatefulComponent.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/IStatefulComponent.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/IUpdatable.java b/heron/api/src/java/org/apache/heron/api/topology/IUpdatable.java
index 49541d520d..9c3e8ae6bd 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/IUpdatable.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/IUpdatable.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.topology;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsDeclarer.java
index f202446e5a..5db66a93f6 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import org.apache.heron.api.tuple.Fields;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsGetter.java b/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsGetter.java
index c664eb59a0..84d0498542 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsGetter.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/OutputFieldsGetter.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.HashMap;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/SpoutDeclarer.java b/heron/api/src/java/org/apache/heron/api/topology/SpoutDeclarer.java
index 74ed79a917..baa9ad473f 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/SpoutDeclarer.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/SpoutDeclarer.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.Map;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/TopologyBuilder.java b/heron/api/src/java/org/apache/heron/api/topology/TopologyBuilder.java
index e1252b838f..2e2908647d 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/TopologyBuilder.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/TopologyBuilder.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/topology/TopologyContext.java b/heron/api/src/java/org/apache/heron/api/topology/TopologyContext.java
index 00f8db51de..7c015ae675 100644
--- a/heron/api/src/java/org/apache/heron/api/topology/TopologyContext.java
+++ b/heron/api/src/java/org/apache/heron/api/topology/TopologyContext.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.topology;
import java.util.Collection;
diff --git a/heron/api/src/java/org/apache/heron/api/tuple/Fields.java b/heron/api/src/java/org/apache/heron/api/tuple/Fields.java
index e5c184a0e1..50e99055b9 100644
--- a/heron/api/src/java/org/apache/heron/api/tuple/Fields.java
+++ b/heron/api/src/java/org/apache/heron/api/tuple/Fields.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.tuple;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/tuple/Tuple.java b/heron/api/src/java/org/apache/heron/api/tuple/Tuple.java
index e033e479d0..582ee4650c 100644
--- a/heron/api/src/java/org/apache/heron/api/tuple/Tuple.java
+++ b/heron/api/src/java/org/apache/heron/api/tuple/Tuple.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.tuple;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/tuple/Values.java b/heron/api/src/java/org/apache/heron/api/tuple/Values.java
index 4a57b68fed..9eae3a7cb1 100644
--- a/heron/api/src/java/org/apache/heron/api/tuple/Values.java
+++ b/heron/api/src/java/org/apache/heron/api/tuple/Values.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.tuple;
import java.util.ArrayList;
diff --git a/heron/api/src/java/org/apache/heron/api/utils/DefaultMaxSpoutPendingTuner.java b/heron/api/src/java/org/apache/heron/api/utils/DefaultMaxSpoutPendingTuner.java
index be239fba00..0c047b6b69 100644
--- a/heron/api/src/java/org/apache/heron/api/utils/DefaultMaxSpoutPendingTuner.java
+++ b/heron/api/src/java/org/apache/heron/api/utils/DefaultMaxSpoutPendingTuner.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.utils;
/**
diff --git a/heron/api/src/java/org/apache/heron/api/utils/TopologyUtils.java b/heron/api/src/java/org/apache/heron/api/utils/TopologyUtils.java
index 5b36d5d2e8..73a709eff3 100644
--- a/heron/api/src/java/org/apache/heron/api/utils/TopologyUtils.java
+++ b/heron/api/src/java/org/apache/heron/api/utils/TopologyUtils.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.utils;
diff --git a/heron/api/src/java/org/apache/heron/api/utils/TupleUtils.java b/heron/api/src/java/org/apache/heron/api/utils/TupleUtils.java
index f6c058a81f..7ac9183df6 100644
--- a/heron/api/src/java/org/apache/heron/api/utils/TupleUtils.java
+++ b/heron/api/src/java/org/apache/heron/api/utils/TupleUtils.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.utils;
diff --git a/heron/api/src/java/org/apache/heron/api/utils/Utils.java b/heron/api/src/java/org/apache/heron/api/utils/Utils.java
index 4927cd2c5b..7a0eab2045 100644
--- a/heron/api/src/java/org/apache/heron/api/utils/Utils.java
+++ b/heron/api/src/java/org/apache/heron/api/utils/Utils.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.utils;
import java.io.ByteArrayInputStream;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/DefaultEvictionContext.java b/heron/api/src/java/org/apache/heron/api/windowing/DefaultEvictionContext.java
index 68823b4da2..0e645c5811 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/DefaultEvictionContext.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/DefaultEvictionContext.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/Event.java b/heron/api/src/java/org/apache/heron/api/windowing/Event.java
index dec1c5e4a2..4fe94857a4 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/Event.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/Event.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/EventImpl.java b/heron/api/src/java/org/apache/heron/api/windowing/EventImpl.java
index a8c50c437c..aa9c3817ef 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/EventImpl.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/EventImpl.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/EvictionContext.java b/heron/api/src/java/org/apache/heron/api/windowing/EvictionContext.java
index f472a04c23..9aeb37dca6 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/EvictionContext.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/EvictionContext.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/EvictionPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/EvictionPolicy.java
index 7077ffe32f..04a9139365 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/EvictionPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/EvictionPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.windowing;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TimestampExtractor.java b/heron/api/src/java/org/apache/heron/api/windowing/TimestampExtractor.java
index c43b552484..de24df0a4f 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TimestampExtractor.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TimestampExtractor.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TriggerHandler.java b/heron/api/src/java/org/apache/heron/api/windowing/TriggerHandler.java
index 8ff022e41f..569bbd2d48 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TriggerHandler.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TriggerHandler.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/TriggerPolicy.java
index 13e4a15057..dff14a7ff9 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TupleFieldTimestampExtractor.java b/heron/api/src/java/org/apache/heron/api/windowing/TupleFieldTimestampExtractor.java
index 312c5b36cd..69c39d4c28 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TupleFieldTimestampExtractor.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TupleFieldTimestampExtractor.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TupleWindow.java b/heron/api/src/java/org/apache/heron/api/windowing/TupleWindow.java
index 5cc08898a4..3c8fd86678 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TupleWindow.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TupleWindow.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/TupleWindowImpl.java b/heron/api/src/java/org/apache/heron/api/windowing/TupleWindowImpl.java
index c5911ace98..220abb3a3e 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/TupleWindowImpl.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/TupleWindowImpl.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEvent.java b/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEvent.java
index 5742a22e38..b4489f7f93 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEvent.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEvent.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEventGenerator.java b/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEventGenerator.java
index 91d7d7336f..f0d3b33b99 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEventGenerator.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/WaterMarkEventGenerator.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.windowing;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/Window.java b/heron/api/src/java/org/apache/heron/api/windowing/Window.java
index 993ad8fe9f..5f9b7888f5 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/Window.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/Window.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/WindowLifecycleListener.java b/heron/api/src/java/org/apache/heron/api/windowing/WindowLifecycleListener.java
index 22134f7fd5..8ea01e4275 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/WindowLifecycleListener.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/WindowLifecycleListener.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/WindowManager.java b/heron/api/src/java/org/apache/heron/api/windowing/WindowManager.java
index 6efdeb0f04..26c5dce285 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/WindowManager.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/WindowManager.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,16 +7,16 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
-
package org.apache.heron.api.windowing;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/WindowingConfigs.java b/heron/api/src/java/org/apache/heron/api/windowing/WindowingConfigs.java
index 0f3f5ed914..ea5383fc2e 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/WindowingConfigs.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/WindowingConfigs.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/evictors/CountEvictionPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/evictors/CountEvictionPolicy.java
index 68716225b7..88e81e9d61 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/evictors/CountEvictionPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/evictors/CountEvictionPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.evictors;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/evictors/TimeEvictionPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/evictors/TimeEvictionPolicy.java
index af077a6176..b1598c400c 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/evictors/TimeEvictionPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/evictors/TimeEvictionPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.evictors;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkCountEvictionPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkCountEvictionPolicy.java
index 3b64c46761..94ba2cc562 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkCountEvictionPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkCountEvictionPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.evictors;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkTimeEvictionPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkTimeEvictionPolicy.java
index ceedbb7d74..74f4ffda1f 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkTimeEvictionPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/evictors/WatermarkTimeEvictionPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.evictors;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/triggers/AbstractBaseTriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/triggers/AbstractBaseTriggerPolicy.java
index dcc63d69e3..f9772ddc00 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/triggers/AbstractBaseTriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/triggers/AbstractBaseTriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.triggers;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/triggers/CountTriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/triggers/CountTriggerPolicy.java
index b5a8200a00..7ede400352 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/triggers/CountTriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/triggers/CountTriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.triggers;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/triggers/TimeTriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/triggers/TimeTriggerPolicy.java
index dd2a10b7c9..c6977375af 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/triggers/TimeTriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/triggers/TimeTriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.triggers;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkCountTriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkCountTriggerPolicy.java
index 35adc055b8..f4958f6e72 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkCountTriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkCountTriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.triggers;
diff --git a/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkTimeTriggerPolicy.java b/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkTimeTriggerPolicy.java
index 509f4558e6..96bcf68d9b 100644
--- a/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkTimeTriggerPolicy.java
+++ b/heron/api/src/java/org/apache/heron/api/windowing/triggers/WatermarkTimeTriggerPolicy.java
@@ -1,17 +1,3 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
@@ -21,13 +7,14 @@
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
*/
package org.apache.heron.api.windowing.triggers;
diff --git a/heron/api/src/java/org/apache/heron/classification/HeronAnnotationProcessor.java b/heron/api/src/java/org/apache/heron/classification/HeronAnnotationProcessor.java
index 0a568178e2..f600779690 100644
--- a/heron/api/src/java/org/apache/heron/classification/HeronAnnotationProcessor.java
+++ b/heron/api/src/java/org/apache/heron/classification/HeronAnnotationProcessor.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.classification;
import java.util.Set;
diff --git a/heron/api/src/java/org/apache/heron/classification/InterfaceAudience.java b/heron/api/src/java/org/apache/heron/classification/InterfaceAudience.java
index deea2310c0..e05e6a8d12 100644
--- a/heron/api/src/java/org/apache/heron/classification/InterfaceAudience.java
+++ b/heron/api/src/java/org/apache/heron/classification/InterfaceAudience.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.classification;
import java.lang.annotation.Documented;
diff --git a/heron/api/src/java/org/apache/heron/classification/InterfaceStability.java b/heron/api/src/java/org/apache/heron/classification/InterfaceStability.java
index a8fa29648e..f3c9407be5 100644
--- a/heron/api/src/java/org/apache/heron/classification/InterfaceStability.java
+++ b/heron/api/src/java/org/apache/heron/classification/InterfaceStability.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.classification;
import java.lang.annotation.Documented;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Builder.java b/heron/api/src/java/org/apache/heron/streamlet/Builder.java
index 322cbea948..e4e6c6caf8 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Builder.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Builder.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Config.java b/heron/api/src/java/org/apache/heron/streamlet/Config.java
index 52a139e312..f4b29c8a23 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Config.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Config.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Context.java b/heron/api/src/java/org/apache/heron/streamlet/Context.java
index 7f1328508c..1a92f39a9b 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Context.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Context.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/JoinType.java b/heron/api/src/java/org/apache/heron/streamlet/JoinType.java
index f7154fbf53..ab18ee36d6 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/JoinType.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/JoinType.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
public enum JoinType {
diff --git a/heron/api/src/java/org/apache/heron/streamlet/KeyValue.java b/heron/api/src/java/org/apache/heron/streamlet/KeyValue.java
index fe9e740f9b..562cd5281c 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/KeyValue.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/KeyValue.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/KeyedWindow.java b/heron/api/src/java/org/apache/heron/streamlet/KeyedWindow.java
index c264404625..a47777eca1 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/KeyedWindow.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/KeyedWindow.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Runner.java b/heron/api/src/java/org/apache/heron/streamlet/Runner.java
index d2fb0c410c..01a5ab370d 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Runner.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Runner.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableBiFunction.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableBiFunction.java
index c577966902..a6812218c3 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableBiFunction.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableBiFunction.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableBinaryOperator.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableBinaryOperator.java
index dba603d37a..4441d4922e 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableBinaryOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableBinaryOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableConsumer.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableConsumer.java
index b017b814a9..076fdcd7c3 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableConsumer.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableConsumer.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableFunction.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableFunction.java
index 5571516020..b76e214bce 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableFunction.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableFunction.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializablePredicate.java b/heron/api/src/java/org/apache/heron/streamlet/SerializablePredicate.java
index eb15c99792..367554970b 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializablePredicate.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializablePredicate.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableSupplier.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableSupplier.java
index 9cf2f37cee..286db17efa 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableSupplier.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableSupplier.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/SerializableTransformer.java b/heron/api/src/java/org/apache/heron/streamlet/SerializableTransformer.java
index dc7e6d876d..520a35094b 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/SerializableTransformer.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/SerializableTransformer.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
import java.io.Serializable;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Sink.java b/heron/api/src/java/org/apache/heron/streamlet/Sink.java
index a1d9dc9749..a0e75ea184 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Sink.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Sink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Source.java b/heron/api/src/java/org/apache/heron/streamlet/Source.java
index 9ab0ea8473..320f3e40d0 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Source.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Source.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Streamlet.java b/heron/api/src/java/org/apache/heron/streamlet/Streamlet.java
index 952c315609..82dbef53b2 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Streamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Streamlet.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/Window.java b/heron/api/src/java/org/apache/heron/streamlet/Window.java
index b02557cfd8..7ef620c06f 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/Window.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/Window.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/WindowConfig.java b/heron/api/src/java/org/apache/heron/streamlet/WindowConfig.java
index 410582e18a..1e32dc35d1 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/WindowConfig.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/WindowConfig.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/BuilderImpl.java b/heron/api/src/java/org/apache/heron/streamlet/impl/BuilderImpl.java
index 4c0ddbbd10..5d9cbe6ab4 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/BuilderImpl.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/BuilderImpl.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
import java.util.HashSet;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/ContextImpl.java b/heron/api/src/java/org/apache/heron/streamlet/impl/ContextImpl.java
index 30b9c55864..866a2ba3e2 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/ContextImpl.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/ContextImpl.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/KryoSerializer.java b/heron/api/src/java/org/apache/heron/streamlet/impl/KryoSerializer.java
index 295afd9363..9449629c12 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/KryoSerializer.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/KryoSerializer.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/StreamletImpl.java b/heron/api/src/java/org/apache/heron/streamlet/impl/StreamletImpl.java
index 51e182b581..fb5b950e54 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/StreamletImpl.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/StreamletImpl.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/WindowConfigImpl.java b/heron/api/src/java/org/apache/heron/streamlet/impl/WindowConfigImpl.java
index ce8a7cdeab..6e144e1a9b 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/WindowConfigImpl.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/WindowConfigImpl.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/JoinCustomGrouping.java b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/JoinCustomGrouping.java
index 2d1f3c3866..c1a969cf54 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/JoinCustomGrouping.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/JoinCustomGrouping.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.groupings;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/ReduceByKeyAndWindowCustomGrouping.java b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/ReduceByKeyAndWindowCustomGrouping.java
index 74ef8ede9b..c8fcef20fc 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/ReduceByKeyAndWindowCustomGrouping.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/ReduceByKeyAndWindowCustomGrouping.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.groupings;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/RemapCustomGrouping.java b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/RemapCustomGrouping.java
index 116e1f3239..c0e93780c7 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/RemapCustomGrouping.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/groupings/RemapCustomGrouping.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.groupings;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FilterOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FilterOperator.java
index 68d77c1cd1..9b42ee6f34 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FilterOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FilterOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FlatMapOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FlatMapOperator.java
index 54b405efd8..4ba3a7f7f9 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FlatMapOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/FlatMapOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperator.java
index 1c88e5f1bf..f37ebeb646 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/JoinOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/JoinOperator.java
index dfc1e0c931..1aa31382a2 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/JoinOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/JoinOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/MapOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/MapOperator.java
index c7a45b2fde..b05e6f19e2 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/MapOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/MapOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperator.java
index ccae44997a..cf6dc38a4a 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletOperator.java
index d9d7989feb..d2451d2f7f 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletWindowOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletWindowOperator.java
index a2d5194d87..e9ff1ba5a8 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletWindowOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/StreamletWindowOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/TransformOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/TransformOperator.java
index 9a18777fc9..b552680597 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/TransformOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/TransformOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/UnionOperator.java b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/UnionOperator.java
index 3d9c72d5fa..f061eaeb0a 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/operators/UnionOperator.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/operators/UnionOperator.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ComplexSink.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ComplexSink.java
index 70dd0d29e2..0b4a6b5151 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ComplexSink.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ComplexSink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sinks;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ConsumerSink.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ConsumerSink.java
index 1bc9e810dc..687e94410f 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ConsumerSink.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/ConsumerSink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sinks;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/LogSink.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/LogSink.java
index e9db9663b5..37c36f4fe8 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/LogSink.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sinks/LogSink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sinks;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/ComplexSource.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/ComplexSource.java
index f85460e3dc..3752b1cea9 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/ComplexSource.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/ComplexSource.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sources;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/StreamletSource.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/StreamletSource.java
index 2187f03cda..16bbfb58e8 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/StreamletSource.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/StreamletSource.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sources;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/SupplierSource.java b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/SupplierSource.java
index a2b74c7a22..55efaa3432 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/sources/SupplierSource.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/sources/SupplierSource.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.sources;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ConsumerStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ConsumerStreamlet.java
index dae8b7f35a..9426001986 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ConsumerStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ConsumerStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FilterStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FilterStreamlet.java
index 82f60d8d19..b31423852e 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FilterStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FilterStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FlatMapStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FlatMapStreamlet.java
index c90a172f8e..30a0500714 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FlatMapStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/FlatMapStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/GeneralReduceByKeyAndWindowStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/GeneralReduceByKeyAndWindowStreamlet.java
index 4baec95e63..216ec382f7 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/GeneralReduceByKeyAndWindowStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/GeneralReduceByKeyAndWindowStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/JoinStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/JoinStreamlet.java
index 38b714bee7..711ef3d379 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/JoinStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/JoinStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/LogStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/LogStreamlet.java
index f8ccf6eee3..707751f5da 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/LogStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/LogStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/MapStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/MapStreamlet.java
index beabb8b79d..96c34b9edf 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/MapStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/MapStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ReduceByKeyAndWindowStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ReduceByKeyAndWindowStreamlet.java
index 0776f4c292..0c1d7e8d8d 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ReduceByKeyAndWindowStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/ReduceByKeyAndWindowStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/RemapStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/RemapStreamlet.java
index 15709af5a4..fed815f719 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/RemapStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/RemapStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SinkStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SinkStreamlet.java
index 0e39db176b..9b24cf8aeb 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SinkStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SinkStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SourceStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SourceStreamlet.java
index 49c4009d5e..dbc6f18ca9 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SourceStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SourceStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SupplierStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SupplierStreamlet.java
index 717318a541..bbb8342b34 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SupplierStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/SupplierStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/TransformStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/TransformStreamlet.java
index b500c99f60..fffd4e0ddf 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/TransformStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/TransformStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/UnionStreamlet.java b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/UnionStreamlet.java
index 25c375af98..8c6e9a6dc7 100644
--- a/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/UnionStreamlet.java
+++ b/heron/api/src/java/org/apache/heron/streamlet/impl/streamlets/UnionStreamlet.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.streamlets;
diff --git a/heron/api/tests/java/org/apache/heron/api/ConfigTest.java b/heron/api/tests/java/org/apache/heron/api/ConfigTest.java
index e75dbf1568..cf5745b66d 100644
--- a/heron/api/tests/java/org/apache/heron/api/ConfigTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/ConfigTest.java
@@ -1,16 +1,21 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.api;
diff --git a/heron/api/tests/java/org/apache/heron/api/HeronSubmitterTest.java b/heron/api/tests/java/org/apache/heron/api/HeronSubmitterTest.java
index 443c12171f..26295d9d5c 100644
--- a/heron/api/tests/java/org/apache/heron/api/HeronSubmitterTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/HeronSubmitterTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api;
import java.util.HashMap;
diff --git a/heron/api/tests/java/org/apache/heron/api/bolt/BaseWindowedBoltTest.java b/heron/api/tests/java/org/apache/heron/api/bolt/BaseWindowedBoltTest.java
index 5fea3df367..563fb6722f 100644
--- a/heron/api/tests/java/org/apache/heron/api/bolt/BaseWindowedBoltTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/bolt/BaseWindowedBoltTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.bolt;
import java.time.Duration;
diff --git a/heron/api/tests/java/org/apache/heron/api/bolt/WindowedBoltExecutorTest.java b/heron/api/tests/java/org/apache/heron/api/bolt/WindowedBoltExecutorTest.java
index 08fe55f2b5..96cdf59bb9 100644
--- a/heron/api/tests/java/org/apache/heron/api/bolt/WindowedBoltExecutorTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/bolt/WindowedBoltExecutorTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.bolt;
import java.util.ArrayList;
diff --git a/heron/api/tests/java/org/apache/heron/api/metric/CountStatAndMetricTest.java b/heron/api/tests/java/org/apache/heron/api/metric/CountStatAndMetricTest.java
index 69ff02a68a..802c240070 100644
--- a/heron/api/tests/java/org/apache/heron/api/metric/CountStatAndMetricTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/metric/CountStatAndMetricTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.metric;
import java.util.HashMap;
diff --git a/heron/api/tests/java/org/apache/heron/api/metric/LatencyStatAndMetricTest.java b/heron/api/tests/java/org/apache/heron/api/metric/LatencyStatAndMetricTest.java
index df5fb345eb..6f0d050d31 100644
--- a/heron/api/tests/java/org/apache/heron/api/metric/LatencyStatAndMetricTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/metric/LatencyStatAndMetricTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.metric;
import java.util.Map;
diff --git a/heron/api/tests/java/org/apache/heron/api/windowing/WaterMarkEventGeneratorTest.java b/heron/api/tests/java/org/apache/heron/api/windowing/WaterMarkEventGeneratorTest.java
index 1df283ecf9..c3a22eee8d 100644
--- a/heron/api/tests/java/org/apache/heron/api/windowing/WaterMarkEventGeneratorTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/windowing/WaterMarkEventGeneratorTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.windowing;
diff --git a/heron/api/tests/java/org/apache/heron/api/windowing/WindowManagerTest.java b/heron/api/tests/java/org/apache/heron/api/windowing/WindowManagerTest.java
index 17b214a5fa..aba453faf0 100644
--- a/heron/api/tests/java/org/apache/heron/api/windowing/WindowManagerTest.java
+++ b/heron/api/tests/java/org/apache/heron/api/windowing/WindowManagerTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.api.windowing;
diff --git a/heron/api/tests/java/org/apache/heron/streamlet/impl/StreamletImplTest.java b/heron/api/tests/java/org/apache/heron/streamlet/impl/StreamletImplTest.java
index 197c3bc157..cec9b456a8 100644
--- a/heron/api/tests/java/org/apache/heron/streamlet/impl/StreamletImplTest.java
+++ b/heron/api/tests/java/org/apache/heron/streamlet/impl/StreamletImplTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl;
import java.util.Arrays;
diff --git a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperatorTest.java b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperatorTest.java
index 7ba5d93bfa..6154d3fa39 100644
--- a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperatorTest.java
+++ b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/GeneralReduceByKeyAndWindowOperatorTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
import java.util.Collection;
diff --git a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/JoinOperatorTest.java b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/JoinOperatorTest.java
index 886cd0eb49..77437030c3 100644
--- a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/JoinOperatorTest.java
+++ b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/JoinOperatorTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
import java.util.Collection;
diff --git a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperatorTest.java b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperatorTest.java
index 03e431f914..8083c01624 100644
--- a/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperatorTest.java
+++ b/heron/api/tests/java/org/apache/heron/streamlet/impl/operators/ReduceByKeyAndWindowOperatorTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.streamlet.impl.operators;
import java.util.Collection;
diff --git a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManager.java b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManager.java
index aeb057c38f..fa9c435f9c 100644
--- a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManager.java
+++ b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManager.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.ckptmgr;
diff --git a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfig.java b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfig.java
index 62632cd951..758301ca83 100644
--- a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfig.java
+++ b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfig.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.ckptmgr;
diff --git a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfigKey.java b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfigKey.java
index cc0bc63258..3aaafdcafd 100644
--- a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfigKey.java
+++ b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerConfigKey.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.ckptmgr;
import java.time.temporal.ChronoUnit;
diff --git a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerException.java b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerException.java
index 9ff02fd005..b633c4fe97 100644
--- a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerException.java
+++ b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerException.java
@@ -1,16 +1,21 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.ckptmgr;
diff --git a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerServer.java b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerServer.java
index 1d68dd2a96..46ce36b0fa 100644
--- a/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerServer.java
+++ b/heron/ckptmgr/src/java/org/apache/heron/ckptmgr/CheckpointManagerServer.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.ckptmgr;
diff --git a/heron/ckptmgr/tests/java/org/apache/heron/ckptmgr/CheckpointManagerServerTest.java b/heron/ckptmgr/tests/java/org/apache/heron/ckptmgr/CheckpointManagerServerTest.java
index 9e939da5a9..1ce6bff7e0 100644
--- a/heron/ckptmgr/tests/java/org/apache/heron/ckptmgr/CheckpointManagerServerTest.java
+++ b/heron/ckptmgr/tests/java/org/apache/heron/ckptmgr/CheckpointManagerServerTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.ckptmgr;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/ByteAmount.java b/heron/common/src/java/org/apache/heron/common/basics/ByteAmount.java
index a5de11eae9..e4e3fc95e7 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/ByteAmount.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/ByteAmount.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.basics;
/**
diff --git a/heron/common/src/java/org/apache/heron/common/basics/Communicator.java b/heron/common/src/java/org/apache/heron/common/basics/Communicator.java
index 277bbdc6c5..53ad71d30e 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/Communicator.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/Communicator.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/DryRunFormatType.java b/heron/common/src/java/org/apache/heron/common/basics/DryRunFormatType.java
index 75fb22a8c5..eaef967420 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/DryRunFormatType.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/DryRunFormatType.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/FileUtils.java b/heron/common/src/java/org/apache/heron/common/basics/FileUtils.java
index f27403cebb..0987203bdd 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/FileUtils.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/FileUtils.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/ISelectHandler.java b/heron/common/src/java/org/apache/heron/common/basics/ISelectHandler.java
index e3330bd5ed..dc3b1daee5 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/ISelectHandler.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/ISelectHandler.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/NIOLooper.java b/heron/common/src/java/org/apache/heron/common/basics/NIOLooper.java
index 8b86cb3b67..311b55e975 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/NIOLooper.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/NIOLooper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/PackageType.java b/heron/common/src/java/org/apache/heron/common/basics/PackageType.java
index bdb1d0ebf5..5405a4e015 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/PackageType.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/PackageType.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/Pair.java b/heron/common/src/java/org/apache/heron/common/basics/Pair.java
index 5639591291..b44cd38de4 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/Pair.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/Pair.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/SingletonRegistry.java b/heron/common/src/java/org/apache/heron/common/basics/SingletonRegistry.java
index af70c598ff..7b86eb6fc4 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/SingletonRegistry.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/SingletonRegistry.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/SlaveLooper.java b/heron/common/src/java/org/apache/heron/common/basics/SlaveLooper.java
index e2c5b972fa..8c3e4e5205 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/SlaveLooper.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/SlaveLooper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/SysUtils.java b/heron/common/src/java/org/apache/heron/common/basics/SysUtils.java
index fd0976bc0d..1abe022bb3 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/SysUtils.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/SysUtils.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/TypeUtils.java b/heron/common/src/java/org/apache/heron/common/basics/TypeUtils.java
index 85c21058d2..5fc7f42df9 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/TypeUtils.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/TypeUtils.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/basics/WakeableLooper.java b/heron/common/src/java/org/apache/heron/common/basics/WakeableLooper.java
index c87919021f..426707d465 100644
--- a/heron/common/src/java/org/apache/heron/common/basics/WakeableLooper.java
+++ b/heron/common/src/java/org/apache/heron/common/basics/WakeableLooper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/src/java/org/apache/heron/common/config/ConfigReader.java b/heron/common/src/java/org/apache/heron/common/config/ConfigReader.java
index 94c260d013..cb0a3ca370 100644
--- a/heron/common/src/java/org/apache/heron/common/config/ConfigReader.java
+++ b/heron/common/src/java/org/apache/heron/common/config/ConfigReader.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.config;
diff --git a/heron/common/src/java/org/apache/heron/common/config/SystemConfig.java b/heron/common/src/java/org/apache/heron/common/config/SystemConfig.java
index 83cc0f87d5..2608de749d 100644
--- a/heron/common/src/java/org/apache/heron/common/config/SystemConfig.java
+++ b/heron/common/src/java/org/apache/heron/common/config/SystemConfig.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.config;
diff --git a/heron/common/src/java/org/apache/heron/common/config/SystemConfigKey.java b/heron/common/src/java/org/apache/heron/common/config/SystemConfigKey.java
index 32e9cd8719..a347001766 100644
--- a/heron/common/src/java/org/apache/heron/common/config/SystemConfigKey.java
+++ b/heron/common/src/java/org/apache/heron/common/config/SystemConfigKey.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.config;
import java.time.Duration;
diff --git a/heron/common/src/java/org/apache/heron/common/network/HeronClient.java b/heron/common/src/java/org/apache/heron/common/network/HeronClient.java
index 887014a847..ff30b21ada 100644
--- a/heron/common/src/java/org/apache/heron/common/network/HeronClient.java
+++ b/heron/common/src/java/org/apache/heron/common/network/HeronClient.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/HeronServer.java b/heron/common/src/java/org/apache/heron/common/network/HeronServer.java
index e4b7c196f8..4ee87f9ca6 100644
--- a/heron/common/src/java/org/apache/heron/common/network/HeronServer.java
+++ b/heron/common/src/java/org/apache/heron/common/network/HeronServer.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/HeronSocketOptions.java b/heron/common/src/java/org/apache/heron/common/network/HeronSocketOptions.java
index 15a0ef9d18..62d731cf81 100644
--- a/heron/common/src/java/org/apache/heron/common/network/HeronSocketOptions.java
+++ b/heron/common/src/java/org/apache/heron/common/network/HeronSocketOptions.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/IncomingPacket.java b/heron/common/src/java/org/apache/heron/common/network/IncomingPacket.java
index 63c241c792..bc3e32e5ec 100644
--- a/heron/common/src/java/org/apache/heron/common/network/IncomingPacket.java
+++ b/heron/common/src/java/org/apache/heron/common/network/IncomingPacket.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/OutgoingPacket.java b/heron/common/src/java/org/apache/heron/common/network/OutgoingPacket.java
index 71cdf81c4c..6969831dc4 100644
--- a/heron/common/src/java/org/apache/heron/common/network/OutgoingPacket.java
+++ b/heron/common/src/java/org/apache/heron/common/network/OutgoingPacket.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/REQID.java b/heron/common/src/java/org/apache/heron/common/network/REQID.java
index 49b577de84..2870625b5c 100644
--- a/heron/common/src/java/org/apache/heron/common/network/REQID.java
+++ b/heron/common/src/java/org/apache/heron/common/network/REQID.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/SocketChannelHelper.java b/heron/common/src/java/org/apache/heron/common/network/SocketChannelHelper.java
index 502cd69f16..db6bc07a58 100644
--- a/heron/common/src/java/org/apache/heron/common/network/SocketChannelHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/network/SocketChannelHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/network/StatusCode.java b/heron/common/src/java/org/apache/heron/common/network/StatusCode.java
index 4e42935070..7ac7f30cfb 100644
--- a/heron/common/src/java/org/apache/heron/common/network/StatusCode.java
+++ b/heron/common/src/java/org/apache/heron/common/network/StatusCode.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.network;
diff --git a/heron/common/src/java/org/apache/heron/common/testhelpers/CommunicatorTestHelper.java b/heron/common/src/java/org/apache/heron/common/testhelpers/CommunicatorTestHelper.java
index 7996cfbbbb..7f6e38d150 100644
--- a/heron/common/src/java/org/apache/heron/common/testhelpers/CommunicatorTestHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/testhelpers/CommunicatorTestHelper.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.testhelpers;
import java.util.concurrent.CountDownLatch;
diff --git a/heron/common/src/java/org/apache/heron/common/testhelpers/HeronServerTester.java b/heron/common/src/java/org/apache/heron/common/testhelpers/HeronServerTester.java
index 3a9ed90b81..a1817df8ae 100644
--- a/heron/common/src/java/org/apache/heron/common/testhelpers/HeronServerTester.java
+++ b/heron/common/src/java/org/apache/heron/common/testhelpers/HeronServerTester.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.testhelpers;
import java.io.IOException;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/logging/ErrorReportLoggingHandler.java b/heron/common/src/java/org/apache/heron/common/utils/logging/ErrorReportLoggingHandler.java
index 8e0deaf462..f48824a245 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/logging/ErrorReportLoggingHandler.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/logging/ErrorReportLoggingHandler.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.logging;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/logging/LoggingHelper.java b/heron/common/src/java/org/apache/heron/common/utils/logging/LoggingHelper.java
index 4448a2720f..9c15c68c88 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/logging/LoggingHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/logging/LoggingHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.logging;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/BoltMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/BoltMetrics.java
index 7fc3fb274b..13006fb76c 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/BoltMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/BoltMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/ComponentMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/ComponentMetrics.java
index 7212a60553..81728f6b17 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/ComponentMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/ComponentMetrics.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.utils.metrics;
import org.apache.heron.classification.InterfaceAudience;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/FullBoltMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/FullBoltMetrics.java
index 5084e619a9..320bef06a9 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/FullBoltMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/FullBoltMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/FullSpoutMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/FullSpoutMetrics.java
index e30377a702..412b858f85 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/FullSpoutMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/FullSpoutMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/JVMMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/JVMMetrics.java
index 262c24f965..f50a67a00f 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/JVMMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/JVMMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/MetricsCollector.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/MetricsCollector.java
index 94b930dc92..1c985218e6 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/MetricsCollector.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/MetricsCollector.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/metrics/SpoutMetrics.java b/heron/common/src/java/org/apache/heron/common/utils/metrics/SpoutMetrics.java
index dd8ef61c94..7ff67d05c1 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/metrics/SpoutMetrics.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/metrics/SpoutMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.metrics;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/misc/CustomStreamGroupingHelper.java b/heron/common/src/java/org/apache/heron/common/utils/misc/CustomStreamGroupingHelper.java
index b9b96403f3..01618099b7 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/misc/CustomStreamGroupingHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/misc/CustomStreamGroupingHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.misc;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/misc/PhysicalPlanHelper.java b/heron/common/src/java/org/apache/heron/common/utils/misc/PhysicalPlanHelper.java
index 14e6dc55d4..485e821eeb 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/misc/PhysicalPlanHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/misc/PhysicalPlanHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.misc;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/misc/SerializeDeSerializeHelper.java b/heron/common/src/java/org/apache/heron/common/utils/misc/SerializeDeSerializeHelper.java
index 8f8ba0d616..e969736e29 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/misc/SerializeDeSerializeHelper.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/misc/SerializeDeSerializeHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.misc;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/misc/ThreadNames.java b/heron/common/src/java/org/apache/heron/common/utils/misc/ThreadNames.java
index c4d40e1bf9..d575d76c3a 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/misc/ThreadNames.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/misc/ThreadNames.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.misc;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/misc/TupleKeyGenerator.java b/heron/common/src/java/org/apache/heron/common/utils/misc/TupleKeyGenerator.java
index 0fefb5b407..eceec5b8a5 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/misc/TupleKeyGenerator.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/misc/TupleKeyGenerator.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.misc;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/topology/GeneralTopologyContextImpl.java b/heron/common/src/java/org/apache/heron/common/utils/topology/GeneralTopologyContextImpl.java
index b42616a829..94328719ff 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/topology/GeneralTopologyContextImpl.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/topology/GeneralTopologyContextImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.topology;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyContextImpl.java b/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyContextImpl.java
index 82476bd858..263f4b04e1 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyContextImpl.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyContextImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.topology;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyTests.java b/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyTests.java
index 7135d93d94..e9677c7d75 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyTests.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/topology/TopologyTests.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.utils.topology;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/tuple/TickTuple.java b/heron/common/src/java/org/apache/heron/common/utils/tuple/TickTuple.java
index d1412a9d60..1f55c99c80 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/tuple/TickTuple.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/tuple/TickTuple.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.tuple;
diff --git a/heron/common/src/java/org/apache/heron/common/utils/tuple/TupleImpl.java b/heron/common/src/java/org/apache/heron/common/utils/tuple/TupleImpl.java
index a5b15eea0e..039f5222ab 100644
--- a/heron/common/src/java/org/apache/heron/common/utils/tuple/TupleImpl.java
+++ b/heron/common/src/java/org/apache/heron/common/utils/tuple/TupleImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils.tuple;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/ByteAmountTest.java b/heron/common/tests/java/org/apache/heron/common/basics/ByteAmountTest.java
index 34c03fca0c..7b6b5c41df 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/ByteAmountTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/ByteAmountTest.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.common.basics;
import org.junit.Test;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/CommunicatorTest.java b/heron/common/tests/java/org/apache/heron/common/basics/CommunicatorTest.java
index 193030c192..6868a2c34c 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/CommunicatorTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/CommunicatorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/FileUtilsTest.java b/heron/common/tests/java/org/apache/heron/common/basics/FileUtilsTest.java
index b15084730a..b7325817f3 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/FileUtilsTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/FileUtilsTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/PackageTypeTest.java b/heron/common/tests/java/org/apache/heron/common/basics/PackageTypeTest.java
index 9535aac1ed..344f6afdaa 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/PackageTypeTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/PackageTypeTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/SysUtilsTest.java b/heron/common/tests/java/org/apache/heron/common/basics/SysUtilsTest.java
index 33a2abc66d..ce8d86311f 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/SysUtilsTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/SysUtilsTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/tests/java/org/apache/heron/common/basics/WakeableLooperTest.java b/heron/common/tests/java/org/apache/heron/common/basics/WakeableLooperTest.java
index 1c48bb705b..3a2d88f389 100644
--- a/heron/common/tests/java/org/apache/heron/common/basics/WakeableLooperTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/basics/WakeableLooperTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.basics;
diff --git a/heron/common/tests/java/org/apache/heron/common/config/ConfigReaderTest.java b/heron/common/tests/java/org/apache/heron/common/config/ConfigReaderTest.java
index 377bb1d697..ad15f07edb 100644
--- a/heron/common/tests/java/org/apache/heron/common/config/ConfigReaderTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/config/ConfigReaderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.config;
diff --git a/heron/common/tests/java/org/apache/heron/common/config/SystemConfigTest.java b/heron/common/tests/java/org/apache/heron/common/config/SystemConfigTest.java
index f854873031..832965a13c 100644
--- a/heron/common/tests/java/org/apache/heron/common/config/SystemConfigTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/config/SystemConfigTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.config;
diff --git a/heron/common/tests/java/org/apache/heron/common/test/EchoTest.java b/heron/common/tests/java/org/apache/heron/common/test/EchoTest.java
index 46876a29fc..f1d33b8c10 100644
--- a/heron/common/tests/java/org/apache/heron/common/test/EchoTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/test/EchoTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.test;
diff --git a/heron/common/tests/java/org/apache/heron/common/test/HeronServerTest.java b/heron/common/tests/java/org/apache/heron/common/test/HeronServerTest.java
index a649dedb50..659e4f4652 100644
--- a/heron/common/tests/java/org/apache/heron/common/test/HeronServerTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/test/HeronServerTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.test;
diff --git a/heron/common/tests/java/org/apache/heron/common/utils/TopologyUtilsTest.java b/heron/common/tests/java/org/apache/heron/common/utils/TopologyUtilsTest.java
index dc3689ee37..a19a3139f6 100644
--- a/heron/common/tests/java/org/apache/heron/common/utils/TopologyUtilsTest.java
+++ b/heron/common/tests/java/org/apache/heron/common/utils/TopologyUtilsTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.common.utils;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/DLDownloader.java b/heron/downloaders/src/java/org/apache/heron/downloader/DLDownloader.java
index 65be8c158b..1618a29d55 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/DLDownloader.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/DLDownloader.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.io.File;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/DownloadRunner.java b/heron/downloaders/src/java/org/apache/heron/downloader/DownloadRunner.java
index e094f0dba7..842a0ae332 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/DownloadRunner.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/DownloadRunner.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.io.File;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/Downloader.java b/heron/downloaders/src/java/org/apache/heron/downloader/Downloader.java
index 35e2d04755..2ffb38c5e2 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/Downloader.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/Downloader.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.net.URI;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/Extractor.java b/heron/downloaders/src/java/org/apache/heron/downloader/Extractor.java
index 4163c70b4b..161a55d2e7 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/Extractor.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/Extractor.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.io.BufferedInputStream;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/FileDownloader.java b/heron/downloaders/src/java/org/apache/heron/downloader/FileDownloader.java
index b28b4cbbf8..cbd6b1df1e 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/FileDownloader.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/FileDownloader.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.net.URI;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/HttpDownloader.java b/heron/downloaders/src/java/org/apache/heron/downloader/HttpDownloader.java
index a497cb8efd..25c4f088f8 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/HttpDownloader.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/HttpDownloader.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.net.URI;
diff --git a/heron/downloaders/src/java/org/apache/heron/downloader/Registry.java b/heron/downloaders/src/java/org/apache/heron/downloader/Registry.java
index 16e36773e1..8e1b9f1104 100644
--- a/heron/downloaders/src/java/org/apache/heron/downloader/Registry.java
+++ b/heron/downloaders/src/java/org/apache/heron/downloader/Registry.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.lang.reflect.InvocationTargetException;
diff --git a/heron/downloaders/tests/java/org/apache/heron/downloader/DLDownloaderTest.java b/heron/downloaders/tests/java/org/apache/heron/downloader/DLDownloaderTest.java
index fa5447a8e7..6f9a68dd9e 100644
--- a/heron/downloaders/tests/java/org/apache/heron/downloader/DLDownloaderTest.java
+++ b/heron/downloaders/tests/java/org/apache/heron/downloader/DLDownloaderTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.io.File;
diff --git a/heron/downloaders/tests/java/org/apache/heron/downloader/ExtractorTests.java b/heron/downloaders/tests/java/org/apache/heron/downloader/ExtractorTests.java
index 7a59ba5fcf..0185dd28dc 100644
--- a/heron/downloaders/tests/java/org/apache/heron/downloader/ExtractorTests.java
+++ b/heron/downloaders/tests/java/org/apache/heron/downloader/ExtractorTests.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.io.FileInputStream;
diff --git a/heron/downloaders/tests/java/org/apache/heron/downloader/RegistryTest.java b/heron/downloaders/tests/java/org/apache/heron/downloader/RegistryTest.java
index 75fdc52df3..6e1b18c29d 100644
--- a/heron/downloaders/tests/java/org/apache/heron/downloader/RegistryTest.java
+++ b/heron/downloaders/tests/java/org/apache/heron/downloader/RegistryTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.downloader;
import java.net.URI;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManager.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManager.java
index 3e9c3fc356..fdf1b61732 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManager.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManager.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManagerMetrics.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManagerMetrics.java
index 1989fec457..4f22cd17dd 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManagerMetrics.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthManagerMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2018 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfig.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfig.java
index d0d0e7ba52..0ad458054f 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfig.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfig.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfigReader.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfigReader.java
index 65482d41f6..ba45209151 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfigReader.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/HealthPolicyConfigReader.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/HealthManagerEvents.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/HealthManagerEvents.java
index 5a50124665..8a3661c54b 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/HealthManagerEvents.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/HealthManagerEvents.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/InvalidStateException.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/InvalidStateException.java
index 9f37424b74..a209d5df7b 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/InvalidStateException.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/InvalidStateException.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/MetricsStats.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/MetricsStats.java
index 230ab768c6..eca3b1218c 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/MetricsStats.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/MetricsStats.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PackingPlanProvider.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PackingPlanProvider.java
index 9a7c88aa9b..1af4842483 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PackingPlanProvider.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PackingPlanProvider.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PhysicalPlanProvider.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PhysicalPlanProvider.java
index 26e9177ea6..196ed89b6a 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PhysicalPlanProvider.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/PhysicalPlanProvider.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/TopologyProvider.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/TopologyProvider.java
index 1944bc5284..c8912a2871 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/TopologyProvider.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/common/TopologyProvider.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BackPressureDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BackPressureDetector.java
index a0edb7c084..dfb0ab52ed 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BackPressureDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BackPressureDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BaseDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BaseDetector.java
index 5259681d4f..815d97ebe7 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BaseDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/BaseDetector.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetector.java
index fe3dd70dcb..512d8d3766 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetector.java
index 81f362a56a..535bd72cb4 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetector.java
index a580b2df75..7165fc77fb 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/SkewDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/SkewDetector.java
index c674b83a10..59a1d3270e 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/SkewDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/SkewDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetector.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetector.java
index 5bda36f724..8cc24ad417 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetector.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetector.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/BaseDiagnoser.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/BaseDiagnoser.java
index 9ca530c6af..7b6f2c8738 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/BaseDiagnoser.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/BaseDiagnoser.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoser.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoser.java
index dfbc9e063e..bc173206b9 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoser.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoser.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoser.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoser.java
index 1b2fdf6fc4..46acc1292d 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoser.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoser.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoser.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoser.java
index 1158c357a3..dda6fec4ba 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoser.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoser.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/AutoRestartBackpressureContainerPolicy.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/AutoRestartBackpressureContainerPolicy.java
index 1fc37d0cca..f143246db2 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/AutoRestartBackpressureContainerPolicy.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/AutoRestartBackpressureContainerPolicy.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.policy;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/DynamicResourceAllocationPolicy.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/DynamicResourceAllocationPolicy.java
index 80fdb04bf4..f314330798 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/DynamicResourceAllocationPolicy.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/policy/DynamicResourceAllocationPolicy.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.policy;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/RestartContainerResolver.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/RestartContainerResolver.java
index bf9b3cb0f1..1454404938 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/RestartContainerResolver.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/RestartContainerResolver.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.healthmgr.resolvers;
import java.time.Instant;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolver.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolver.java
index 0b2155727e..7128162cdd 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolver.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolver.java
@@ -1,16 +1,22 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.healthmgr.resolvers;
import java.time.Instant;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BackPressureSensor.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BackPressureSensor.java
index 7bc7ea6f76..aa9d35f03a 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BackPressureSensor.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BackPressureSensor.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BaseSensor.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BaseSensor.java
index 180f8a70a2..059bdf6a59 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BaseSensor.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BaseSensor.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BufferSizeSensor.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BufferSizeSensor.java
index 29d67f1045..6678b35887 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BufferSizeSensor.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/BufferSizeSensor.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensor.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensor.java
index 6e0653a73d..f82472d88f 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensor.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensor.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProvider.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProvider.java
index e8e721f2f7..e349fa8f52 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProvider.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProvider.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProvider.java b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProvider.java
index efe9be3a96..7fdc479b85 100644
--- a/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProvider.java
+++ b/heron/healthmgr/src/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProvider.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthManagerTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthManagerTest.java
index 3711e6cfc3..40e36f8bc4 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthManagerTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthManagerTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthPolicyConfigReaderTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthPolicyConfigReaderTest.java
index e6ff17c04f..745ddd3d8b 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthPolicyConfigReaderTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/HealthPolicyConfigReaderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/PackingPlanProviderTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/PackingPlanProviderTest.java
index d674f884cd..2238e5d099 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/PackingPlanProviderTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/PackingPlanProviderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/TopologyProviderTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/TopologyProviderTest.java
index 0017a57f2d..4b373ba316 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/TopologyProviderTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/common/TopologyProviderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.common;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/BackPressureDetectorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/BackPressureDetectorTest.java
index 31e67c9940..4160fa0ee9 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/BackPressureDetectorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/BackPressureDetectorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetectorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetectorTest.java
index 3f2a407edf..a528a76079 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetectorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/GrowingWaitQueueDetectorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetectorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetectorTest.java
index 846c6d5776..7e5e3817e7 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetectorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/LargeWaitQueueDetectorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetectorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetectorTest.java
index a62eef50ca..fb314cad01 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetectorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/ProcessingRateSkewDetectorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetectorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetectorTest.java
index cad1bb2eeb..006fa137a8 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetectorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/detectors/WaitQueueSkewDetectorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.detectors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoserTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoserTest.java
index a688ba118d..a0d3a6584b 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoserTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/DataSkewDiagnoserTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoserTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoserTest.java
index dbbbcc5762..fb5bfb05c1 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoserTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/SlowInstanceDiagnoserTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoserTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoserTest.java
index f3e7a3a9fa..f49de9a1e1 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoserTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/diagnosers/UnderProvisioningDiagnoserTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.diagnosers;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolverTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolverTest.java
index 06d9787e00..0c36e91c55 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolverTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/resolvers/ScaleUpResolverTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.resolvers;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BackPressureSensorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BackPressureSensorTest.java
index 146f512a12..ddc429f520 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BackPressureSensorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BackPressureSensorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BufferSizeSensorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BufferSizeSensorTest.java
index 621df1d0eb..e68ec27e04 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BufferSizeSensorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/BufferSizeSensorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensorTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensorTest.java
index 6ad0047b20..811717f712 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensorTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/ExecuteCountSensorTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProviderTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProviderTest.java
index f82003ebc2..5446e23838 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProviderTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/MetricsCacheMetricsProviderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProviderTest.java b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProviderTest.java
index c02c4cc282..7d2d46ff13 100644
--- a/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProviderTest.java
+++ b/heron/healthmgr/tests/java/org/apache/heron/healthmgr/sensors/TrackerMetricsProviderTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.healthmgr.sensors;
diff --git a/heron/instance/src/java/org/apache/heron/instance/AbstractOutputCollector.java b/heron/instance/src/java/org/apache/heron/instance/AbstractOutputCollector.java
index 858773994f..aac6443d69 100644
--- a/heron/instance/src/java/org/apache/heron/instance/AbstractOutputCollector.java
+++ b/heron/instance/src/java/org/apache/heron/instance/AbstractOutputCollector.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.instance;
import java.io.Serializable;
diff --git a/heron/instance/src/java/org/apache/heron/instance/Gateway.java b/heron/instance/src/java/org/apache/heron/instance/Gateway.java
index 8acb8dfbc0..d4bf51d1da 100644
--- a/heron/instance/src/java/org/apache/heron/instance/Gateway.java
+++ b/heron/instance/src/java/org/apache/heron/instance/Gateway.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/HeronInstance.java b/heron/instance/src/java/org/apache/heron/instance/HeronInstance.java
index 007ac264e4..52ef0aff3a 100644
--- a/heron/instance/src/java/org/apache/heron/instance/HeronInstance.java
+++ b/heron/instance/src/java/org/apache/heron/instance/HeronInstance.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/IInstance.java b/heron/instance/src/java/org/apache/heron/instance/IInstance.java
index 26fa716407..de7fbd0cbf 100644
--- a/heron/instance/src/java/org/apache/heron/instance/IInstance.java
+++ b/heron/instance/src/java/org/apache/heron/instance/IInstance.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/InstanceControlMsg.java b/heron/instance/src/java/org/apache/heron/instance/InstanceControlMsg.java
index a935d70bbd..789f53b4af 100644
--- a/heron/instance/src/java/org/apache/heron/instance/InstanceControlMsg.java
+++ b/heron/instance/src/java/org/apache/heron/instance/InstanceControlMsg.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/OutgoingTupleCollection.java b/heron/instance/src/java/org/apache/heron/instance/OutgoingTupleCollection.java
index a346c4b95c..8775a0c622 100644
--- a/heron/instance/src/java/org/apache/heron/instance/OutgoingTupleCollection.java
+++ b/heron/instance/src/java/org/apache/heron/instance/OutgoingTupleCollection.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/Slave.java b/heron/instance/src/java/org/apache/heron/instance/Slave.java
index e7ba1c38ed..7d8e1f82a6 100644
--- a/heron/instance/src/java/org/apache/heron/instance/Slave.java
+++ b/heron/instance/src/java/org/apache/heron/instance/Slave.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance;
diff --git a/heron/instance/src/java/org/apache/heron/instance/bolt/BoltInstance.java b/heron/instance/src/java/org/apache/heron/instance/bolt/BoltInstance.java
index b141c3bf00..773d144b21 100644
--- a/heron/instance/src/java/org/apache/heron/instance/bolt/BoltInstance.java
+++ b/heron/instance/src/java/org/apache/heron/instance/bolt/BoltInstance.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.bolt;
diff --git a/heron/instance/src/java/org/apache/heron/instance/bolt/BoltOutputCollectorImpl.java b/heron/instance/src/java/org/apache/heron/instance/bolt/BoltOutputCollectorImpl.java
index 197f314f39..22a6b83116 100644
--- a/heron/instance/src/java/org/apache/heron/instance/bolt/BoltOutputCollectorImpl.java
+++ b/heron/instance/src/java/org/apache/heron/instance/bolt/BoltOutputCollectorImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.bolt;
diff --git a/heron/instance/src/java/org/apache/heron/instance/spout/RootTupleInfo.java b/heron/instance/src/java/org/apache/heron/instance/spout/RootTupleInfo.java
index 8f6005c1a8..63807a7562 100644
--- a/heron/instance/src/java/org/apache/heron/instance/spout/RootTupleInfo.java
+++ b/heron/instance/src/java/org/apache/heron/instance/spout/RootTupleInfo.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.spout;
diff --git a/heron/instance/src/java/org/apache/heron/instance/spout/SpoutInstance.java b/heron/instance/src/java/org/apache/heron/instance/spout/SpoutInstance.java
index b20418c953..cbb5e3163e 100644
--- a/heron/instance/src/java/org/apache/heron/instance/spout/SpoutInstance.java
+++ b/heron/instance/src/java/org/apache/heron/instance/spout/SpoutInstance.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.spout;
diff --git a/heron/instance/src/java/org/apache/heron/instance/spout/SpoutOutputCollectorImpl.java b/heron/instance/src/java/org/apache/heron/instance/spout/SpoutOutputCollectorImpl.java
index fbe4ddf6f0..aa051434d5 100644
--- a/heron/instance/src/java/org/apache/heron/instance/spout/SpoutOutputCollectorImpl.java
+++ b/heron/instance/src/java/org/apache/heron/instance/spout/SpoutOutputCollectorImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.spout;
diff --git a/heron/instance/src/java/org/apache/heron/instance/util/InstanceUtils.java b/heron/instance/src/java/org/apache/heron/instance/util/InstanceUtils.java
index be2e3644af..aa1d12c30d 100644
--- a/heron/instance/src/java/org/apache/heron/instance/util/InstanceUtils.java
+++ b/heron/instance/src/java/org/apache/heron/instance/util/InstanceUtils.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.instance.util;
import java.time.Duration;
diff --git a/heron/instance/src/java/org/apache/heron/instance/util/JvmVersion.java b/heron/instance/src/java/org/apache/heron/instance/util/JvmVersion.java
index 62bf98fab5..8f2e48026a 100644
--- a/heron/instance/src/java/org/apache/heron/instance/util/JvmVersion.java
+++ b/heron/instance/src/java/org/apache/heron/instance/util/JvmVersion.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.instance.util;
/**
diff --git a/heron/instance/src/java/org/apache/heron/metrics/GatewayMetrics.java b/heron/instance/src/java/org/apache/heron/metrics/GatewayMetrics.java
index 3a6d766ee5..64b11bb0f2 100644
--- a/heron/instance/src/java/org/apache/heron/metrics/GatewayMetrics.java
+++ b/heron/instance/src/java/org/apache/heron/metrics/GatewayMetrics.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metrics;
diff --git a/heron/instance/src/java/org/apache/heron/network/MetricsManagerClient.java b/heron/instance/src/java/org/apache/heron/network/MetricsManagerClient.java
index 752fdc7e5c..6025806fee 100644
--- a/heron/instance/src/java/org/apache/heron/network/MetricsManagerClient.java
+++ b/heron/instance/src/java/org/apache/heron/network/MetricsManagerClient.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.network;
diff --git a/heron/instance/src/java/org/apache/heron/network/StreamManagerClient.java b/heron/instance/src/java/org/apache/heron/network/StreamManagerClient.java
index 0836481137..69b2493e49 100644
--- a/heron/instance/src/java/org/apache/heron/network/StreamManagerClient.java
+++ b/heron/instance/src/java/org/apache/heron/network/StreamManagerClient.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.network;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/AbstractTupleRoutingTest.java b/heron/instance/tests/java/org/apache/heron/grouping/AbstractTupleRoutingTest.java
index 175b460432..aa74f64ea0 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/AbstractTupleRoutingTest.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/AbstractTupleRoutingTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.grouping;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/CustomGroupingTest.java b/heron/instance/tests/java/org/apache/heron/grouping/CustomGroupingTest.java
index e11b303472..388a916397 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/CustomGroupingTest.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/CustomGroupingTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.grouping;
import java.util.ArrayList;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectBoltTest.java b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectBoltTest.java
index b086be6f45..a8bdc44309 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectBoltTest.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectBoltTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.grouping;
import org.apache.heron.api.topology.TopologyBuilder;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinBolt.java b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinBolt.java
index fd5b0612cc..05358c43dc 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinBolt.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinBolt.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.grouping;
import java.util.List;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinSpout.java b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinSpout.java
index 314c35e410..6ea3f181e7 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinSpout.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectRoundRobinSpout.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.grouping;
import java.util.List;
diff --git a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectSpoutTest.java b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectSpoutTest.java
index 3649731dd5..3dedb0864f 100644
--- a/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectSpoutTest.java
+++ b/heron/instance/tests/java/org/apache/heron/grouping/EmitDirectSpoutTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.grouping;
import org.apache.heron.api.topology.TopologyBuilder;
diff --git a/heron/instance/tests/java/org/apache/heron/instance/CommunicatorTester.java b/heron/instance/tests/java/org/apache/heron/instance/CommunicatorTester.java
index 6181d950e0..155ca3fbd5 100644
--- a/heron/instance/tests/java/org/apache/heron/instance/CommunicatorTester.java
+++ b/heron/instance/tests/java/org/apache/heron/instance/CommunicatorTester.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.instance;
import java.io.IOException;
diff --git a/heron/instance/tests/java/org/apache/heron/instance/SlaveTester.java b/heron/instance/tests/java/org/apache/heron/instance/SlaveTester.java
index 9ab2660155..c65472d95c 100644
--- a/heron/instance/tests/java/org/apache/heron/instance/SlaveTester.java
+++ b/heron/instance/tests/java/org/apache/heron/instance/SlaveTester.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.instance;
import java.util.concurrent.CountDownLatch;
diff --git a/heron/instance/tests/java/org/apache/heron/instance/bolt/BoltInstanceTest.java b/heron/instance/tests/java/org/apache/heron/instance/bolt/BoltInstanceTest.java
index e7d86805c9..2c5f2b0d60 100644
--- a/heron/instance/tests/java/org/apache/heron/instance/bolt/BoltInstanceTest.java
+++ b/heron/instance/tests/java/org/apache/heron/instance/bolt/BoltInstanceTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.bolt;
diff --git a/heron/instance/tests/java/org/apache/heron/instance/spout/ActivateDeactivateTest.java b/heron/instance/tests/java/org/apache/heron/instance/spout/ActivateDeactivateTest.java
index f6d5cfaf72..547ae171be 100644
--- a/heron/instance/tests/java/org/apache/heron/instance/spout/ActivateDeactivateTest.java
+++ b/heron/instance/tests/java/org/apache/heron/instance/spout/ActivateDeactivateTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.spout;
diff --git a/heron/instance/tests/java/org/apache/heron/instance/spout/SpoutInstanceTest.java b/heron/instance/tests/java/org/apache/heron/instance/spout/SpoutInstanceTest.java
index 6dff11bad5..5ae6cf2e30 100644
--- a/heron/instance/tests/java/org/apache/heron/instance/spout/SpoutInstanceTest.java
+++ b/heron/instance/tests/java/org/apache/heron/instance/spout/SpoutInstanceTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.instance.spout;
diff --git a/heron/instance/tests/java/org/apache/heron/metrics/GlobalMetricsTest.java b/heron/instance/tests/java/org/apache/heron/metrics/GlobalMetricsTest.java
index 447be41b37..93f6ae6b34 100644
--- a/heron/instance/tests/java/org/apache/heron/metrics/GlobalMetricsTest.java
+++ b/heron/instance/tests/java/org/apache/heron/metrics/GlobalMetricsTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metrics;
diff --git a/heron/instance/tests/java/org/apache/heron/metrics/MultiAssignableMetricTest.java b/heron/instance/tests/java/org/apache/heron/metrics/MultiAssignableMetricTest.java
index b154f6af3a..746464a1b8 100644
--- a/heron/instance/tests/java/org/apache/heron/metrics/MultiAssignableMetricTest.java
+++ b/heron/instance/tests/java/org/apache/heron/metrics/MultiAssignableMetricTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metrics;
diff --git a/heron/instance/tests/java/org/apache/heron/network/AbstractNetworkTest.java b/heron/instance/tests/java/org/apache/heron/network/AbstractNetworkTest.java
index 72c46d1c10..416ed9c057 100644
--- a/heron/instance/tests/java/org/apache/heron/network/AbstractNetworkTest.java
+++ b/heron/instance/tests/java/org/apache/heron/network/AbstractNetworkTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.network;
import java.io.Closeable;
diff --git a/heron/instance/tests/java/org/apache/heron/network/ConnectTest.java b/heron/instance/tests/java/org/apache/heron/network/ConnectTest.java
index dde190fc66..2f1625c24e 100644
--- a/heron/instance/tests/java/org/apache/heron/network/ConnectTest.java
+++ b/heron/instance/tests/java/org/apache/heron/network/ConnectTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.network;
diff --git a/heron/instance/tests/java/org/apache/heron/network/HandleReadTest.java b/heron/instance/tests/java/org/apache/heron/network/HandleReadTest.java
index 082c12ea32..e8801c5769 100644
--- a/heron/instance/tests/java/org/apache/heron/network/HandleReadTest.java
+++ b/heron/instance/tests/java/org/apache/heron/network/HandleReadTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.network;
diff --git a/heron/instance/tests/java/org/apache/heron/network/HandleWriteTest.java b/heron/instance/tests/java/org/apache/heron/network/HandleWriteTest.java
index 19be1fa855..97e115a761 100644
--- a/heron/instance/tests/java/org/apache/heron/network/HandleWriteTest.java
+++ b/heron/instance/tests/java/org/apache/heron/network/HandleWriteTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.network;
diff --git a/heron/instance/tests/java/org/apache/heron/resource/Constants.java b/heron/instance/tests/java/org/apache/heron/resource/Constants.java
index 6230ecab16..3ffe9b05c7 100644
--- a/heron/instance/tests/java/org/apache/heron/resource/Constants.java
+++ b/heron/instance/tests/java/org/apache/heron/resource/Constants.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.resource;
diff --git a/heron/instance/tests/java/org/apache/heron/resource/TestBolt.java b/heron/instance/tests/java/org/apache/heron/resource/TestBolt.java
index 6c2f007c27..a6bcf80eb7 100644
--- a/heron/instance/tests/java/org/apache/heron/resource/TestBolt.java
+++ b/heron/instance/tests/java/org/apache/heron/resource/TestBolt.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.resource;
diff --git a/heron/instance/tests/java/org/apache/heron/resource/TestSpout.java b/heron/instance/tests/java/org/apache/heron/resource/TestSpout.java
index 77796595e9..fabd6b9c2a 100644
--- a/heron/instance/tests/java/org/apache/heron/resource/TestSpout.java
+++ b/heron/instance/tests/java/org/apache/heron/resource/TestSpout.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.resource;
diff --git a/heron/instance/tests/java/org/apache/heron/resource/UnitTestHelper.java b/heron/instance/tests/java/org/apache/heron/resource/UnitTestHelper.java
index 2a8e8b6ba4..904ecab5da 100644
--- a/heron/instance/tests/java/org/apache/heron/resource/UnitTestHelper.java
+++ b/heron/instance/tests/java/org/apache/heron/resource/UnitTestHelper.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.resource;
diff --git a/heron/io/dlog/src/java/org/apache/heron/dlog/DLInputStream.java b/heron/io/dlog/src/java/org/apache/heron/dlog/DLInputStream.java
index 1a1fa136df..0e6581b5be 100644
--- a/heron/io/dlog/src/java/org/apache/heron/dlog/DLInputStream.java
+++ b/heron/io/dlog/src/java/org/apache/heron/dlog/DLInputStream.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.dlog;
import java.io.IOException;
diff --git a/heron/io/dlog/src/java/org/apache/heron/dlog/DLOutputStream.java b/heron/io/dlog/src/java/org/apache/heron/dlog/DLOutputStream.java
index 3a022cde08..2e0e278bcd 100644
--- a/heron/io/dlog/src/java/org/apache/heron/dlog/DLOutputStream.java
+++ b/heron/io/dlog/src/java/org/apache/heron/dlog/DLOutputStream.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.dlog;
import java.io.IOException;
diff --git a/heron/io/dlog/src/java/org/apache/heron/dlog/Util.java b/heron/io/dlog/src/java/org/apache/heron/dlog/Util.java
index ab55b5335d..a8ff797245 100644
--- a/heron/io/dlog/src/java/org/apache/heron/dlog/Util.java
+++ b/heron/io/dlog/src/java/org/apache/heron/dlog/Util.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.dlog;
import java.io.File;
diff --git a/heron/io/dlog/tests/java/org/apache/heron/dlog/DLInputStreamTest.java b/heron/io/dlog/tests/java/org/apache/heron/dlog/DLInputStreamTest.java
index 70a1f16747..7925e1e80b 100644
--- a/heron/io/dlog/tests/java/org/apache/heron/dlog/DLInputStreamTest.java
+++ b/heron/io/dlog/tests/java/org/apache/heron/dlog/DLInputStreamTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.dlog;
import java.io.ByteArrayInputStream;
diff --git a/heron/io/dlog/tests/java/org/apache/heron/dlog/DLOutputStreamTest.java b/heron/io/dlog/tests/java/org/apache/heron/dlog/DLOutputStreamTest.java
index 51b306ca9d..1dec595494 100644
--- a/heron/io/dlog/tests/java/org/apache/heron/dlog/DLOutputStreamTest.java
+++ b/heron/io/dlog/tests/java/org/apache/heron/dlog/DLOutputStreamTest.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.dlog;
import org.junit.Test;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManager.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManager.java
index 69c0cdc91b..dc05f70963 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManager.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManager.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerHttpServer.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerHttpServer.java
index 65ea882e70..1b74af9921 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerHttpServer.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerHttpServer.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerServer.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerServer.java
index e0cb14f9d5..517892db62 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerServer.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/MetricsCacheManagerServer.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/CacheCore.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/CacheCore.java
index c108f8332f..900a1623ee 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/CacheCore.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/CacheCore.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCache.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCache.java
index a3833c2ac5..8bdd87e8ef 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCache.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCache.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtils.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtils.java
index 1469c74ee1..6a0862a692 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtils.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtils.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionDatum.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionDatum.java
index 24345e02da..023ea128c0 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionDatum.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionDatum.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionRequest.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionRequest.java
index f34cdc8a50..29a21202c2 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionRequest.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionRequest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionResponse.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionResponse.java
index c0a57cb9fa..aef0772997 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionResponse.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/ExceptionResponse.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricDatum.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricDatum.java
index e4c52526d1..15cf1e8749 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricDatum.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricDatum.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricGranularity.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricGranularity.java
index 980f88400a..6cbcbc85a6 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricGranularity.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricGranularity.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricRequest.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricRequest.java
index 35d24e08eb..bdb82778c7 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricRequest.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricRequest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricResponse.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricResponse.java
index 387c62b968..d6503fa785 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricResponse.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricResponse.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricTimeRangeValue.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricTimeRangeValue.java
index 2d275637e4..4d9b5b1215 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricTimeRangeValue.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/query/MetricTimeRangeValue.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.query;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/ExceptionDatapoint.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/ExceptionDatapoint.java
index 6fd7805f8f..00b9cd0534 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/ExceptionDatapoint.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/ExceptionDatapoint.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.store;
diff --git a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/MetricDatapoint.java b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/MetricDatapoint.java
index 4171eb56dd..3515aa8dc8 100644
--- a/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/MetricDatapoint.java
+++ b/heron/metricscachemgr/src/java/org/apache/heron/metricscachemgr/metricscache/store/MetricDatapoint.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache.store;
diff --git a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/CacheCoreTest.java b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/CacheCoreTest.java
index 7965ec9ca8..7b29fa49a1 100644
--- a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/CacheCoreTest.java
+++ b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/CacheCoreTest.java
@@ -1,17 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtilsTest.java b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtilsTest.java
index e7d1524525..aa2d64de45 100644
--- a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtilsTest.java
+++ b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheQueryUtilsTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheTest.java b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheTest.java
index c07f69a0a8..587573138d 100644
--- a/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheTest.java
+++ b/heron/metricscachemgr/tests/java/org/apache/heron/metricscachemgr/metricscache/MetricsCacheTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricscachemgr.metricscache;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManager.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManager.java
index a4efe159eb..b2076cd79f 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManager.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManager.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManagerServer.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManagerServer.java
index 775fde170b..a9ff54f7d2 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManagerServer.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsManagerServer.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsSinksConfig.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsSinksConfig.java
index 168696d2b7..28601b7292 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsSinksConfig.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsSinksConfig.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsUtil.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsUtil.java
index 514a00dde3..c8ec5633bd 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsUtil.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/MetricsUtil.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.metricsmgr;
import org.apache.heron.spi.metricsmgr.metrics.MetricsRecord;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/executor/SinkExecutor.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/executor/SinkExecutor.java
index 409bb6e717..2ac3a90217 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/executor/SinkExecutor.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/executor/SinkExecutor.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.executor;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/AbstractWebSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/AbstractWebSink.java
index 40abf57688..5e55d43a0a 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/AbstractWebSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/AbstractWebSink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.metricsmgr.sink;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/FileSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/FileSink.java
index d0789a3ef5..6173090009 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/FileSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/FileSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/GraphiteSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/GraphiteSink.java
index 420e89cf5b..7dcc1ba83d 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/GraphiteSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/GraphiteSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/PrometheusSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/PrometheusSink.java
index f3218194f2..0db442a577 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/PrometheusSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/PrometheusSink.java
@@ -1,16 +1,22 @@
-// Copyright 2017 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
package org.apache.heron.metricsmgr.sink;
import java.io.IOException;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/SinkContextImpl.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/SinkContextImpl.java
index 30c1e26e06..8b5bbc1083 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/SinkContextImpl.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/SinkContextImpl.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/WebSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/WebSink.java
index 6354970221..e2f4f0c1cd 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/WebSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/WebSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheClient.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheClient.java
index be099a2172..b95ef2e574 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheClient.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheClient.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink.metricscache;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheSink.java
index 0d2c95b4ad..cec43270f6 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/metricscache/MetricsCacheSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink.metricscache;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/scribe/ScribeSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/scribe/ScribeSink.java
index 19653df703..39dfd9f7f0 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/scribe/ScribeSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/scribe/ScribeSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink.scribe;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterClient.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterClient.java
index aea33e8e5d..7c7354f90b 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterClient.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterClient.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink.tmaster;
diff --git a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterSink.java b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterSink.java
index 175f284116..e50274ecb9 100644
--- a/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterSink.java
+++ b/heron/metricsmgr/src/java/org/apache/heron/metricsmgr/sink/tmaster/TMasterSink.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
package org.apache.heron.metricsmgr.sink.tmaster;
diff --git a/heron/metricsmgr/src/thrift/Empty.java b/heron/metricsmgr/src/thrift/Empty.java
index c2a036255e..51da6c0f2b 100644
--- a/heron/metricsmgr/src/thrift/Empty.java
+++ b/heron/metricsmgr/src/thrift/Empty.java
@@ -1,14 +1,18 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
diff --git a/heron/metricsmgr/tests/java/org/apache/heron/metricsmgr/HandleTMasterLocationTest.java b/heron/metricsmgr/tests/java/org/apache/heron/metricsmgr/HandleTMasterLocationTest.java
index 7fdfd045fe..4317624200 100644
--- a/heron/metricsmgr/tests/java/org/apache/heron/metricsmgr/HandleTMasterLocationTest.java
+++ b/heron/metricsmgr/tests/java/org/apache/heron/metricsmgr/HandleTMasterLocationTest.java
@@ -1,16 +1,21 @@
-// Copyright 2016 Twitter. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
(This diff was longer than 20,000 lines, and has been truncated...)
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