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.worker;
  
  import java.io.Closeable;
  import java.net.InetSocketAddress;
  import java.net.SocketAddress;
  
  /**
   * Defines how to interact with a server running the data protocol.
   */
  public interface DataServer extends Closeable {
  
    /**
     * Gets the actual bind socket address. It is either a {@link InetSocketAddress} or a
     * {@link io.netty.channel.unix.DomainSocketAddress}.
     *
     * @return the bind socket address
     */
    SocketAddress getBindAddress();
  
    /**
     * Checks if the {@link DataServer} is closed.
     *
     * @return true if the {@link DataServer} is closed, false otherwise
     */
    boolean isClosed();
  
    /**
     * Waits for server to terminate.
     */
    void awaitTermination();
  }
  