content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * 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
   *
   * https://opensource.org/licenses/Apache-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 com.tencent.angel.localcluster;
  
  import com.tencent.angel.conf.AngelConf;
  import com.tencent.angel.master.AngelApplicationMaster;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.security.Credentials;
  import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
  
  import java.io.IOException;
  
  /**
   * Local Angel master. It startups the {@link AngelApplicationMaster} using a thread.
   */
  public class LocalMaster extends Thread {
    private static final Log LOG = LogFactory.getLog(LocalMaster.class);
  
    /**
     * Angel Application master
     */
    private final AngelApplicationMaster appMaster;
  
    /**
     * Master attempt id
     */
    private final ApplicationAttemptId appAttemptId;
  
    /**
     * Create a new LocalMaster
     *
     * @param appAttemptId
     * @throws IllegalArgumentException
     * @throws IOException
     */
    public LocalMaster(ApplicationAttemptId appAttemptId)
      throws IllegalArgumentException, IOException {
      this.appAttemptId = appAttemptId;
      LocalClusterContext clusterContext = LocalClusterContext.get();
      Configuration conf = clusterContext.getConf();
      conf.setBoolean("fs.automatic.close", false);
      String appName = conf.get(AngelConf.ANGEL_JOB_NAME, "local-test");
  
      appMaster =
        new AngelApplicationMaster(conf, appName, appAttemptId, clusterContext.getContainerId(),
          clusterContext.getLocalHost(), clusterContext.getPort(), clusterContext.getHttpPort(),
          System.currentTimeMillis(), new Credentials());
    }
  
    @Override public void run() {
      try {
        appMaster.initAndStart();
      } catch (Exception e) {
        LOG.fatal("master start failed.", e);
        LocalClusterContext.get().getLocalCluster().stop();
      }
    }
  
    /**
     * Get Angel Application Master
     *
     * @return Angel Application Master
     */
    public AngelApplicationMaster getAppMaster() {
      return appMaster;
    }
  
    /**
     * Exit
     */
    public void exit() {
      appMaster.getAppContext().getApp().shouldRetry(false);
      appMaster.shutDownJob();
      interrupt();
    }
  }
  