svn commit: r1378479 [2/2] - in /incubator/ambari/branches/AMBARI-666: ./ ambari-agent/ ambari-server/ ambari-server/src/main/java/org/apache/ambari/configuration/ ambari-server/src/main/java/org/apache/ambari/server/ ambari-server/src/main/java/org/ap...

[ji...@apache.org]

Added: incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/AbstractEvent.java
URL: http://svn.apache.org/viewvc/incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/AbstractEvent.java?rev=1378479&view=auto
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--- incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/AbstractEvent.java (added)
+++ incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/AbstractEvent.java Wed Aug 29 08:49:31 2012
@@ -0,0 +1,57 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.ambari.server.fsm.event;
+
+/**
+ * parent class of all the events. All events extend this class.
+ */
+public abstract class AbstractEvent<TYPE extends Enum<TYPE>>
+    implements Event<TYPE> {
+
+  private final TYPE type;
+  private final long timestamp;
+
+  // use this if you DON'T care about the timestamp
+  public AbstractEvent(TYPE type) {
+    this.type = type;
+    // We're not generating a real timestamp here.  It's too expensive.
+    timestamp = -1L;
+  }
+
+  // use this if you care about the timestamp
+  public AbstractEvent(TYPE type, long timestamp) {
+    this.type = type;
+    this.timestamp = timestamp;
+  }
+
+  @Override
+  public long getTimestamp() {
+    return timestamp;
+  }
+
+  @Override
+  public TYPE getType() {
+    return type;
+  }
+
+  @Override
+  public String toString() {
+    return "EventType: " + getType();
+  }
+}

Added: incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/Event.java
URL: http://svn.apache.org/viewvc/incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/Event.java?rev=1378479&view=auto
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--- incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/Event.java (added)
+++ incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/Event.java Wed Aug 29 08:49:31 2012
@@ -0,0 +1,30 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.ambari.server.fsm.event;
+
+/**
+ * Interface defining events api.
+ *
+ */
+public interface Event<TYPE extends Enum<TYPE>> {
+
+  TYPE getType();
+  long getTimestamp();
+  String toString();
+}

Added: incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/EventHandler.java
URL: http://svn.apache.org/viewvc/incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/EventHandler.java?rev=1378479&view=auto
==============================================================================
--- incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/EventHandler.java (added)
+++ incubator/ambari/branches/AMBARI-666/ambari-server/src/main/java/org/apache/ambari/server/fsm/event/EventHandler.java Wed Aug 29 08:49:31 2012
@@ -0,0 +1,29 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+package org.apache.ambari.server.fsm.event;
+/**
+ * Interface for handling events of type T
+ *
+ * @param <T> paremeterized event of type T
+ */
+public interface EventHandler<T extends Event> {
+
+  void handle(T event);
+
+}