/***********************************************************************************************************************
* 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.jobmanager.scheduler.queue;
import java.util.List;
import eu.stratosphere.nephele.executiongraph.ExecutionVertex;
import eu.stratosphere.nephele.instance.AbstractInstance;
import eu.stratosphere.nephele.jobgraph.JobID;
import eu.stratosphere.nephele.jobmanager.DeploymentManager;
/**
* This class provides an implementation of the {@DeploymentManager} interface which is used during
* the unit tests.
* <p>
* This class is thread-safe.
*
*/
public class TestDeploymentManager implements DeploymentManager {
/**
* The ID of the job to be deployed.
*/
private volatile JobID jobID = null;
/**
* The list of vertices to be deployed.
*/
private volatile List<ExecutionVertex> verticesToBeDeployed = null;
/**
* Auxiliary object to synchronize on.
*/
private final Object synchronizationObject = new Object();
@Override
public void deploy(final JobID jobID, final AbstractInstance instance,
final List<ExecutionVertex> verticesToBeDeployed) {
this.jobID = jobID;
this.verticesToBeDeployed = verticesToBeDeployed;
synchronized (this.synchronizationObject) {
this.synchronizationObject.notify();
}
}
/**
* Returns the ID of the last deployed job.
*/
JobID getIDOfLastDeployedJob() {
return this.jobID;
}
/**
* Returns a list of the last deployed vertices.
*
* @return a list of the last deployed vertices
*/
List<ExecutionVertex> getListOfLastDeployedVertices() {
return this.verticesToBeDeployed;
}
/**
* Clears the internal state of the test deployment manager.
*/
void clear() {
this.jobID = null;
this.verticesToBeDeployed = null;
}
/**
* Wait for the scheduler to complete the deployment.
*/
void waitForDeployment() {
while (this.jobID == null) {
synchronized (this.synchronizationObject) {
try {
this.synchronizationObject.wait(50);
} catch (InterruptedException e) {
// Ignore exception
}
}
}
}
}