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.master.journal.raft;
  
  import alluxio.grpc.NodeState;
  import alluxio.master.AbstractPrimarySelector;
  
  import java.net.InetSocketAddress;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * A primary selector backed by a Raft consensus cluster.
   */
  @ThreadSafe
  public class RaftPrimarySelector extends AbstractPrimarySelector {
  
    /**
     * Notifies leadership state changed.
     * @param state the leadership state
     */
    public void notifyStateChanged(NodeState state) {
      setState(state);
    }
  
    @Override
    public void start(InetSocketAddress address) {
      // The Ratis cluster is owned by the outer {@link RaftJournalSystem}.
    }
  
    @Override
    public void stop() {
      // The Ratis cluster is owned by the outer {@link RaftJournalSystem}.
    }
  }
  