[02/11] incubator-predictionio git commit: [PIO-3] Update all the file headers with ASF License

[do...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-query/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-query/src/main/scala/DataSource.scala b/examples/scala-parallel-recommendation/custom-query/src/main/scala/DataSource.scala
index afb7cdf..942afb1 100644
--- a/examples/scala-parallel-recommendation/custom-query/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-recommendation/custom-query/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-query/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Engine.scala b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Engine.scala
index 751dc9b..369128b 100644
--- a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-query/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Preparator.scala b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Preparator.scala
index 3625b95..ef40ac6 100644
--- a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-query/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Serving.scala b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Serving.scala
index 19f591a..c14137d 100644
--- a/examples/scala-parallel-recommendation/custom-query/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-recommendation/custom-query/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSAlgorithm.scala
index 6256e9b..22904af 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSModel.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSModel.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSModel.scala
index 243c1d1..4697732 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSModel.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/ALSModel.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.spark.mllib.recommendation
 // This must be the same package as Spark's MatrixFactorizationModel because
 // MatrixFactorizationModel's constructor is private and we are using

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/DataSource.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/DataSource.scala
index c730d96..1d3f0df 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Engine.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Engine.scala
index 4702fe3..1446ca4 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Preparator.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Preparator.scala
index df0f721..4cd812c 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Serving.scala b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Serving.scala
index 42c1b21..52d40e1 100644
--- a/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-recommendation/custom-serving/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/data/import_eventserver.py b/examples/scala-parallel-recommendation/filter-by-category/data/import_eventserver.py
index 228ea2c..643f4db 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/data/import_eventserver.py
+++ b/examples/scala-parallel-recommendation/filter-by-category/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for recommendation engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/data/send_query.py b/examples/scala-parallel-recommendation/filter-by-category/data/send_query.py
index 421a241..9e061de 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/data/send_query.py
+++ b/examples/scala-parallel-recommendation/filter-by-category/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSAlgorithm.scala
index 72a3bc5..0046e69 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSModel.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSModel.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSModel.scala
index 26bbe17..1816dc9 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSModel.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/ALSModel.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.spark.mllib.recommendation
 // This must be the same package as Spark's MatrixFactorizationModel because
 // MatrixFactorizationModel's constructor is private and we are using

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/DataSource.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/DataSource.scala
index 75a4dfd..769524b 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Engine.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Engine.scala
index 96f5a1c..daec4e1 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Preparator.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Preparator.scala
index 4a0bb79..991f8ab 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Serving.scala b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Serving.scala
index 319b7dc..01d4a6d 100644
--- a/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-recommendation/filter-by-category/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendation
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/import_eventserver.py b/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/import_eventserver.py
index abdeeba..15aa38c 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for similar product engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/send_query.py b/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/send_query.py
index f6d9c61..8678b15 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/ALSAlgorithm.scala
index 1041abc..3f0b628 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.P2LAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/DataSource.scala
index 4c65aec..1c60e8a 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Engine.scala b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Engine.scala
index 276f696..1133a61 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Preparator.scala b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Preparator.scala
index 17f621e..d747a84 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Serving.scala b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Serving.scala
index 4b940fe..58c3b4e 100644
--- a/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-similarproduct/add-and-return-item-properties/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/data/import_eventserver.py b/examples/scala-parallel-similarproduct/add-rateevent/data/import_eventserver.py
index 452358d..6107d1c 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/add-rateevent/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for similar product engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/data/send_query.py b/examples/scala-parallel-similarproduct/add-rateevent/data/send_query.py
index f6d9c61..8678b15 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/add-rateevent/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/ALSAlgorithm.scala
index 04f27f5..b5c3d3f 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.P2LAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/DataSource.scala
index 39de636..46c4b7a 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Engine.scala b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Engine.scala
index 7975530..52b19fe 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Preparator.scala b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Preparator.scala
index f59606c..c7c2b94 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Serving.scala b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Serving.scala
index 8543796..1180afd 100644
--- a/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-similarproduct/add-rateevent/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/data/import_eventserver.py b/examples/scala-parallel-similarproduct/filterbyyear/data/import_eventserver.py
index 452358d..6107d1c 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/filterbyyear/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for similar product engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/data/send_query.py b/examples/scala-parallel-similarproduct/filterbyyear/data/send_query.py
index f6d9c61..8678b15 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/filterbyyear/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/ALSAlgorithm.scala
index 3fd6f9c..675334e 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.test
 
 import org.apache.predictionio.controller.P2LAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/DataSource.scala
index 5328de7..17cc3ac 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.test
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Engine.scala b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Engine.scala
index be8a997..6800c7b 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.test
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Preparator.scala b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Preparator.scala
index d525ac6..189b7b3 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.test
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Serving.scala b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Serving.scala
index 1b0f4d0..cd1a715 100644
--- a/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-similarproduct/filterbyyear/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.test
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/data/import_eventserver.py b/examples/scala-parallel-similarproduct/multi/data/import_eventserver.py
index 2f305b8..65aeae7 100644
--- a/examples/scala-parallel-similarproduct/multi/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/multi/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for similar product engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/data/send_query.py b/examples/scala-parallel-similarproduct/multi/data/send_query.py
index f6d9c61..8678b15 100644
--- a/examples/scala-parallel-similarproduct/multi/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/multi/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/ALSAlgorithm.scala
index 7bd5bc8..e0567ef 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/DataSource.scala
index a9f63c1..38916c1 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/Engine.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/Engine.scala
index b5fd57c..c63ecc5 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/LikeAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/LikeAlgorithm.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/LikeAlgorithm.scala
index f841187..5b1eccb 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/LikeAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/LikeAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.data.storage.BiMap

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/Preparator.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/Preparator.scala
index e723a9e..b45cf49 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/multi/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/multi/src/main/scala/Serving.scala b/examples/scala-parallel-similarproduct/multi/src/main/scala/Serving.scala
index d9b7045..9159566 100644
--- a/examples/scala-parallel-similarproduct/multi/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-similarproduct/multi/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/data/import_eventserver.py b/examples/scala-parallel-similarproduct/no-set-user/data/import_eventserver.py
index 8520863..1ac4b67 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/no-set-user/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for similar product engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/data/send_query.py b/examples/scala-parallel-similarproduct/no-set-user/data/send_query.py
index f6d9c61..8678b15 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/no-set-user/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/ALSAlgorithm.scala
index b08fee9..5053bc1 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.P2LAlgorithm

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/DataSource.scala
index 77ba891..927b20d 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PDataSource

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Engine.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Engine.scala b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Engine.scala
index 7975530..52b19fe 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Engine.scala
+++ b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Engine.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.IEngineFactory

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Preparator.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Preparator.scala b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Preparator.scala
index 80a73f5..73644f9 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Preparator.scala
+++ b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Preparator.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.PPreparator

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Serving.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Serving.scala b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Serving.scala
index 0e1057c..3e115d5 100644
--- a/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Serving.scala
+++ b/examples/scala-parallel-similarproduct/no-set-user/src/main/scala/Serving.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.similarproduct
 
 import org.apache.predictionio.controller.LServing

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/recommended-user/data/import_eventserver.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/recommended-user/data/import_eventserver.py b/examples/scala-parallel-similarproduct/recommended-user/data/import_eventserver.py
index d6527c6..9ea3199 100644
--- a/examples/scala-parallel-similarproduct/recommended-user/data/import_eventserver.py
+++ b/examples/scala-parallel-similarproduct/recommended-user/data/import_eventserver.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Import sample data for recommended user engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/recommended-user/data/send_query.py
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/recommended-user/data/send_query.py b/examples/scala-parallel-similarproduct/recommended-user/data/send_query.py
index 989f200..c1737ab 100644
--- a/examples/scala-parallel-similarproduct/recommended-user/data/send_query.py
+++ b/examples/scala-parallel-similarproduct/recommended-user/data/send_query.py
@@ -1,3 +1,20 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 """
 Send sample query to prediction engine
 """

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/ALSAlgorithm.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/ALSAlgorithm.scala b/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/ALSAlgorithm.scala
index fe6f126..c97418d 100644
--- a/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/ALSAlgorithm.scala
+++ b/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/ALSAlgorithm.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendeduser
 
 import grizzled.slf4j.Logger

http://git-wip-us.apache.org/repos/asf/incubator-predictionio/blob/f2d697eb/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/DataSource.scala
----------------------------------------------------------------------
diff --git a/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/DataSource.scala b/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/DataSource.scala
index a82aefe..b067f0b 100644
--- a/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/DataSource.scala
+++ b/examples/scala-parallel-similarproduct/recommended-user/src/main/scala/DataSource.scala
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.template.recommendeduser
 
 import grizzled.slf4j.Logger