hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/PassThroughRequestInterceptor.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.yarn.server.nodemanager.amrmproxy;

import java.io.IOException;

import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterResponse;
import org.apache.hadoop.yarn.exceptions.YarnException;

/**
 * Mock intercepter that does not do anything other than forwarding it to the
 * next intercepter in the chain
 *
 */
public class PassThroughRequestInterceptor extends
    AbstractRequestInterceptor {

  @Override
  public RegisterApplicationMasterResponse registerApplicationMaster(
      RegisterApplicationMasterRequest request) throws YarnException,
      IOException {
    return getNextInterceptor().registerApplicationMaster(request);
  }

  @Override
  public FinishApplicationMasterResponse finishApplicationMaster(
      FinishApplicationMasterRequest request) throws YarnException,
      IOException {
    return getNextInterceptor().finishApplicationMaster(request);
  }

  @Override
  public AllocateResponse allocate(AllocateRequest request)
      throws YarnException, IOException {
    return getNextInterceptor().allocate(request);
  }
}