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 org.apache.asterix.common.storage;
  
  import java.net.InetSocketAddress;
  
  import org.apache.hyracks.util.NetworkUtil;
  
  public class ReplicaIdentifier {
  
      private final int partition;
      private final String id;
      private final String nodeId;
      private volatile InetSocketAddress location;
  
      private ReplicaIdentifier(int partition, String nodeId, InetSocketAddress location) {
          this.partition = partition;
          this.nodeId = nodeId;
          this.location = location;
          id = partition + "@" + location.getHostString() + ":" + location.getPort();
      }
  
      public static ReplicaIdentifier of(int partition, String nodeId, InetSocketAddress location) {
          return new ReplicaIdentifier(partition, nodeId, location);
      }
  
      public int getPartition() {
          return partition;
      }
  
      public InetSocketAddress getLocation() {
          return location;
      }
  
      public InetSocketAddress refreshLocation() {
          //noinspection NonAtomicOperationOnVolatileField
          location = NetworkUtil.refresh(location);
          return location;
      }
  
      public String getNodeId() {
          return nodeId;
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          ReplicaIdentifier that = (ReplicaIdentifier) o;
          return id.equals(that.id);
      }
  
      @Override
      public int hashCode() {
          return id.hashCode();
      }
  
      public String getId() {
          return id;
      }
  
      @Override
      public String toString() {
          return id;
      }
  }
  