hadoop ContainerUpdateResponse 源码

haddop ContainerUpdateResponse 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/ContainerUpdateResponse.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.api.protocolrecords;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.ContainerManagementProtocol;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.SerializedException;
import org.apache.hadoop.yarn.util.Records;

import java.util.List;
import java.util.Map;

/**
 * <p>
 * The response sent by the <code>NodeManager</code> to the
 * <code>ApplicationMaster</code> when asked to update container resource.
 * </p>
 *
 * @see ContainerManagementProtocol#updateContainer(ContainerUpdateRequest)
 */
@Public
@Unstable
public abstract class ContainerUpdateResponse {

  public static ContainerUpdateResponse newInstance(
      List<ContainerId> successfullyUpdatedContainers,
      Map<ContainerId, SerializedException> failedRequests) {
    ContainerUpdateResponse response =
        Records.newRecord(ContainerUpdateResponse.class);
    response.setSuccessfullyUpdatedContainers(
        successfullyUpdatedContainers);
    response.setFailedRequests(failedRequests);
    return response;
  }

  /**
   * Get the list of containerIds of containers whose resource
   * have been successfully update.
   *
   * @return the list of containerIds of containers whose resource have
   * been successfully updated.
   */
  @Public
  @Unstable
  public abstract List<ContainerId> getSuccessfullyUpdatedContainers();

  /**
   * Set the list of containerIds of containers whose resource have
   * been successfully updated.
   * @param succeedUpdatedContainers Containers whose update request were
   *                                 successfully completed.
   */
  @Private
  @Unstable
  public abstract void setSuccessfullyUpdatedContainers(
      List<ContainerId> succeedUpdatedContainers);

  /**
   * Get the containerId-to-exception map in which the exception indicates
   * error from each container for failed requests.
   * @return map of containerId-to-exception
   */
  @Public
  @Unstable
  public abstract Map<ContainerId, SerializedException> getFailedRequests();

  /**
   * Set the containerId-to-exception map in which the exception indicates
   * error from each container for failed requests.
   * @param failedRequests Containers whose update request were failed
   */
  @Private
  @Unstable
  public abstract void setFailedRequests(
      Map<ContainerId, SerializedException> failedRequests);
}

相关信息

hadoop 源码目录

相关文章

hadoop AllocateRequest 源码

hadoop AllocateResponse 源码

hadoop ApplicationsRequestScope 源码

hadoop CancelDelegationTokenRequest 源码

hadoop CancelDelegationTokenResponse 源码

hadoop CommitResponse 源码

hadoop ContainerUpdateRequest 源码

hadoop FailApplicationAttemptRequest 源码

hadoop FailApplicationAttemptResponse 源码

hadoop FinishApplicationMasterRequest 源码