branch-0.23.1/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/MiniMRYarnClusterAdapter.java

/**
 * 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.hadoop.mapred;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.v2.MiniMRYarnCluster;

/**
 * An adapter for MiniMRYarnCluster providing a MiniMRClientCluster interface.
 * This interface could be used by tests across both MR1 and MR2.
 */
public class MiniMRYarnClusterAdapter implements MiniMRClientCluster {

  private MiniMRYarnCluster miniMRYarnCluster;

  public MiniMRYarnClusterAdapter(MiniMRYarnCluster miniMRYarnCluster) {
    this.miniMRYarnCluster = miniMRYarnCluster;
  }

  @Override
  public Configuration getConfig() {
    return miniMRYarnCluster.getConfig();
  }

  @Override
  public void start() {
    miniMRYarnCluster.start();
  }

  @Override
  public void stop() {
    miniMRYarnCluster.stop();
  }

}