/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
**********************************************************************************************************************/
package eu.stratosphere.nephele.profiling.impl;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import eu.stratosphere.nephele.execution.ExecutionListener;
import eu.stratosphere.nephele.execution.ExecutionState;
import eu.stratosphere.nephele.execution.RuntimeEnvironment;
import eu.stratosphere.nephele.executiongraph.ExecutionVertexID;
import eu.stratosphere.nephele.jobgraph.JobID;
public class EnvironmentListenerImpl implements ExecutionListener {
private static final Log LOG = LogFactory.getLog(EnvironmentListenerImpl.class);
private final TaskManagerProfilerImpl taskManagerProfiler;
private final RuntimeEnvironment environment;
public EnvironmentListenerImpl(final TaskManagerProfilerImpl taskManagerProfiler,
final RuntimeEnvironment environment) {
this.taskManagerProfiler = taskManagerProfiler;
this.environment = environment;
}
@Override
public void executionStateChanged(final JobID jobID, final ExecutionVertexID vertexID,
final ExecutionState newExecutionState, final String optionalMessage) {
switch (newExecutionState) {
case RUNNING:
this.taskManagerProfiler.registerMainThreadForCPUProfiling(this.environment,
this.environment.getExecutingThread(), vertexID);
break;
case FINISHING:
case FINISHED:
case CANCELING:
case CANCELED:
case FAILED:
this.taskManagerProfiler.unregisterMainThreadFromCPUProfiling(this.environment,
this.environment.getExecutingThread());
break;
default:
LOG.error("Unexpected state transition to " + newExecutionState + " for vertex " + vertexID);
break;
}
}
@Override
public void userThreadFinished(final JobID jobID, final ExecutionVertexID vertexID, final Thread userThread) {
// Make sure the user thread is not the task's main thread
if (this.environment.getExecutingThread() == userThread) {
return;
}
this.taskManagerProfiler.unregisterUserThreadFromCPUProfiling(this.environment, userThread);
}
@Override
public void userThreadStarted(final JobID jobID, final ExecutionVertexID vertexID, final Thread userThread) {
// Make sure the user thread is not the task's main thread
if (this.environment.getExecutingThread() == userThread) {
return;
}
this.taskManagerProfiler.registerUserThreadForCPUProfiling(this.environment, userThread);
}
@Override
public int getPriority() {
return 1;
}
}