content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio;
  
  import alluxio.exception.status.UnavailableException;
  import alluxio.master.MasterClientContext;
  import alluxio.master.MasterInquireClient;
  import alluxio.retry.RetryPolicy;
  
  import java.net.InetSocketAddress;
  import java.util.function.Supplier;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * The base class for job master clients.
   */
  @ThreadSafe
  public abstract class AbstractJobMasterClient extends AbstractMasterClient {
    /** Address to load configuration, which may differ from {@code mAddress}. */
    protected InetSocketAddress mConfAddress;
  
    /** Client for determining configuration RPC address,
     * which may be different from target address. */
    private final MasterInquireClient mConfMasterInquireClient;
  
    /**
     * Creates a new master client base.
     *
     * @param clientConf master client configuration
     */
    public AbstractJobMasterClient(MasterClientContext clientConf) {
      super(clientConf);
      mConfMasterInquireClient = clientConf.getConfMasterInquireClient();
    }
  
    /**
     * Creates a new master client base.
     *
     * @param clientConf master client configuration
     * @param retryPolicySupplier retry policy to use
     */
    public AbstractJobMasterClient(MasterClientContext clientConf,
                                Supplier<RetryPolicy> retryPolicySupplier) {
      super(clientConf, retryPolicySupplier);
      mConfMasterInquireClient = clientConf.getConfMasterInquireClient();
    }
  
    @Override
    public synchronized InetSocketAddress getConfAddress() throws UnavailableException {
      return mConfMasterInquireClient.getPrimaryRpcAddress();
    }
  }
  