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.conf.Configuration;
  import alluxio.network.TieredIdentityFactory;
  import alluxio.underfs.UfsManager;
  import alluxio.wire.TieredIdentity;
  import alluxio.wire.WorkerNetAddress;
  
  import java.net.InetSocketAddress;
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * A worker in the Alluxio system.
   */
  public interface WorkerProcess extends Process {
    /**
     * Factory for creating {@link WorkerProcess}.
     */
    @ThreadSafe
    final class Factory {
      /**
       * @return a new instance of {@link WorkerProcess}
       */
      public static WorkerProcess create() {
        return create(TieredIdentityFactory.localIdentity(Configuration.global()));
      }
  
      /**
       * @param tieredIdentity tiered identity for the worker process
       * @return a new instance of {@link WorkerProcess}
       */
      public static WorkerProcess create(TieredIdentity tieredIdentity) {
        return new AlluxioWorkerProcess(tieredIdentity);
      }
  
      private Factory() {} // prevent instantiation
    }
  
    /**
     * @return the connect information for this worker
     */
    WorkerNetAddress getAddress();
  
    /**
     * @return the block worker for this Alluxio worker
     */
    UfsManager getUfsManager();
  
    /**
     * @return the worker's data service bind host (used by unit test only)
     */
    String getDataBindHost();
  
    /**
     * @return the worker's data service port (used by unit test only)
     */
    int getDataLocalPort();
  
    /**
     * @return the worker's data service domain socket path if available or "" if not available
     */
    String getDataDomainSocketPath();
  
    /**
     * @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 worker web service bind host (used by unit test only)
     */
    String getWebBindHost();
  
    /**
     * @return the worker web service port (used by unit test only)
     */
    int getWebLocalPort();
  
    /**
     * @param clazz the class of the worker to get
     * @param <T> the type of the worker to get
  
     * @return the given worker
     */
    <T extends Worker> T getWorker(Class<T> clazz);
  }
  