content: /**
   * 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 com.alibaba.jstorm.yarn.context;
  
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.security.Credentials;
  import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
  import org.apache.hadoop.yarn.api.records.ApplicationId;
  import org.apache.hadoop.yarn.api.records.Container;
  import org.apache.hadoop.yarn.api.records.ContainerId;
  import org.apache.hadoop.yarn.client.api.AMRMClient;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.BlockingQueue;
  
  /**
   * Created by fengjian on 16/4/7.
   */
  public interface MasterContext {
      String getUser();
  
      Credentials getCredentials();
  
      ApplicationId getApplicationID();
  
      ApplicationAttemptId getApplicationAttemptId();
  
      ContainerId getContainerId();
  
      long getSubmitTime();
  
      Configuration getConfiguration();
  
      String getAddress();
  
      Configuration getYarnConfiguration();
  
      BlockingQueue<Container> getContainers();
  
      BlockingQueue<Container> getSupervisorContainers();
  
      BlockingQueue<Container> getNimbusContainers();
  
      BlockingQueue<AMRMClient.ContainerRequest> getContainerRequest();
  
      Set<String> getUpgradingContainerIds();
  
      Map<String, String> getShellEnv();
  
  }
  