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 alluxio.Process;
  import alluxio.wire.WorkerNetAddress;
  
  import java.net.InetSocketAddress;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * A job worker in the Alluxio system.
   */
  public interface JobWorkerProcess extends Process {
    /**
     * Factory for creating {@link JobWorkerProcess}.
     */
    @ThreadSafe
    final class Factory {
      /**
       * @return a new instance of {@link JobWorkerProcess}
       */
      public static JobWorkerProcess create() {
        return new AlluxioJobWorkerProcess();
      }
  
      private Factory() {} // prevent instantiation
    }
  
    /**
     * @return the connect information for this worker
     */
    WorkerNetAddress getAddress();
  
    /**
     * @return this worker's rpc address
     */
    InetSocketAddress getRpcAddress();
  
    /**
     * @return the start time of the worker in milliseconds
     */
    long getStartTimeMs();
  
    /**
     * @return the uptime of the worker in milliseconds
     */
    long getUptimeMs();
  
    /**
     * @return the master's web address, or null if the web server hasn't been started yet
     */
    InetSocketAddress getWebAddress();
  }
  