alluxio-master-2.x/core/common/src/main/java/alluxio/master/selectionpolicy/SelectionPolicyPrimaryMaster.java
/*
 * 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.master.selectionpolicy;

import alluxio.exception.status.UnavailableException;
import alluxio.master.MasterInquireClient;

import java.net.InetSocketAddress;

/**
 * The master selection policy that connects to the primary master.
 */
public class SelectionPolicyPrimaryMaster extends AbstractMasterSelectionPolicy {
  protected SelectionPolicyPrimaryMaster() {}

  @Override
  public synchronized InetSocketAddress getGrpcMasterAddress(
      MasterInquireClient masterInquireClient) throws UnavailableException {
    mPrimaryMasterAddress = masterInquireClient.getPrimaryRpcAddress();
    return mPrimaryMasterAddress;
  }

  @Override
  public Type getType() {
    return Type.PRIMARY_MASTER;
  }
}
