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.wire;
  
  import com.google.common.base.Objects;
  import com.google.common.base.Preconditions;
  
  import java.io.Serializable;
  import javax.annotation.concurrent.NotThreadSafe;
  
  /**
   * The address of a node.
   */
  @NotThreadSafe
  public final class Address implements Serializable {
    private static final long serialVersionUID = 1645922245406539186L;
  
    private String mHost = "";
    private int mRpcPort;
  
    /**
     * Creates a new instance of {@link Address}.
     */
    public Address() {}
  
    /**
     * Creates a new instance of {@link Address}.
     *
     * @param hostname the hostname to set
     * @param rpcPort the rpc port to set
     */
    public Address(String hostname, int rpcPort) {
      mHost = hostname;
      mRpcPort = rpcPort;
    }
  
    /**
     * Creates a new instance of {@link Address} from proto representation.
     *
     * @param netAddress the proto master address
     */
    protected Address(alluxio.grpc.NetAddress netAddress) {
      mHost = netAddress.getHost();
      mRpcPort = netAddress.getRpcPort();
    }
  
    /**
     * @return the host of this node
     */
    public String getHost() {
      return mHost;
    }
  
    /**
     * @return the RPC port of this node
     */
    public int getRpcPort() {
      return mRpcPort;
    }
  
    /**
     * @param host the host to use
     * @return the address
     */
    public Address setHost(String host) {
      mHost = Preconditions.checkNotNull(host, "host");
      return this;
    }
  
    /**
     * @param rpcPort the rpc port to use
     * @return the address
     */
    public Address setRpcPort(int rpcPort) {
      mRpcPort = rpcPort;
      return this;
    }
  
    /**
     * @return a master address of proto construct
     */
    public alluxio.grpc.NetAddress toProto() {
      return alluxio.grpc.NetAddress.newBuilder().setHost(mHost).setRpcPort(mRpcPort).build();
    }
  
    /**
     * Creates a new instance of {@link Address} from proto representation.
     *
     * @param address the proto representation of a master address
     * @return the instance
     */
    public static Address fromProto(alluxio.grpc.NetAddress address) {
      return new Address(address);
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof Address)) {
        return false;
      }
      Address that = (Address) o;
      return mHost.equals(that.mHost)
          && mRpcPort == that.mRpcPort;
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(mHost, mRpcPort);
    }
  
    @Override
    public String toString() {
      return mHost + ":" + mRpcPort;
    }
  }
  