tez-dag/src/main/java/org/apache/tez/dag/app/launcher/ContainerLauncherWrapper.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.tez.dag.app.launcher;

import java.util.Set;

import org.apache.tez.common.DagContainerLauncher;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.tez.common.security.JobTokenSecretManager;
import org.apache.tez.dag.records.TezDAGID;
import org.apache.tez.dag.records.TezTaskAttemptID;
import org.apache.tez.dag.records.TezVertexID;
import org.apache.tez.serviceplugins.api.ContainerLaunchRequest;
import org.apache.tez.serviceplugins.api.ContainerLauncher;
import org.apache.tez.serviceplugins.api.ContainerStopRequest;

public class ContainerLauncherWrapper {

  private final ContainerLauncher real;

  public ContainerLauncherWrapper(ContainerLauncher containerLauncher) {
    this.real = containerLauncher;
  }

  public void launchContainer(ContainerLaunchRequest launchRequest) throws Exception {
    real.launchContainer(launchRequest);
  }

  public void stopContainer(ContainerStopRequest stopRequest) throws Exception {
    real.stopContainer(stopRequest);
  }

  public ContainerLauncher getContainerLauncher() {
    return real;
  }

  public void dagComplete(TezDAGID dag, JobTokenSecretManager jobTokenSecretManager) {
    if (real instanceof DagContainerLauncher) {
      ((DagContainerLauncher)real).dagComplete(dag, jobTokenSecretManager);
    }
  }

  public void vertexComplete(TezVertexID vertex, JobTokenSecretManager jobTokenSecretManager, Set<NodeId> nodeIdList) {
    if (real instanceof DagContainerLauncher) {
      ((DagContainerLauncher) real).vertexComplete(vertex, jobTokenSecretManager, nodeIdList);
    }
  }

  public void taskAttemptFailed(TezTaskAttemptID taskAttemptID, JobTokenSecretManager jobTokenSecretManager,
                                NodeId nodeId) {
    if (real instanceof DagContainerLauncher) {
      ((DagContainerLauncher) real).taskAttemptFailed(taskAttemptID, jobTokenSecretManager, nodeId);
    }
  }
}