hadoop GetApplicationsHomeSubClusterRequest 源码

2022-10-20
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haddop GetApplicationsHomeSubClusterRequest 代码

文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/records/GetApplicationsHomeSubClusterRequest.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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.federation.store.records;

import org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.util.Records;

/**
 * Request class to obtain the home sub-cluster mapping of all active
 * applications.
 */
@Private
@Unstable
public abstract class GetApplicationsHomeSubClusterRequest {

  @Private
  @Unstable
  public static GetApplicationsHomeSubClusterRequest newInstance() {
    GetApplicationsHomeSubClusterRequest request =
        Records.newRecord(GetApplicationsHomeSubClusterRequest.class);
    return request;
  }

  @Private
  @Unstable
  public static GetApplicationsHomeSubClusterRequest
      newInstance(SubClusterId subClusterId) {
    GetApplicationsHomeSubClusterRequest request =
        Records.newRecord(GetApplicationsHomeSubClusterRequest.class);
    request.setSubClusterId(subClusterId);
    return request;
  }

  /**
   * Get the {@link SubClusterId} representing the unique identifier of the
   * subcluster.
   *
   * @return the subcluster identifier
   */
  @Public
  @Unstable
  public abstract SubClusterId getSubClusterId();

  /**
   * Set the {@link SubClusterId} representing the unique identifier of the
   * subcluster.
   *
   * @param subClusterId the subcluster identifier
   */
  @Public
  @Unstable
  public abstract void setSubClusterId(SubClusterId subClusterId);
}

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