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.util.executor;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.TimeUnit;
  
  /**
   * Util class for ExecutorService.
   */
  public class ExecutorServiceUtils {
    private static final Logger LOG = LoggerFactory.getLogger(ExecutorServiceUtils.class);
  
    /**
     * ShutdownAndAwaitTermination with default timeout.
     * @param executorService
     */
    public static void shutdownAndAwaitTermination(ExecutorService executorService) {
      shutdownAndAwaitTermination(executorService, 1000);
    }
  
    /**
     * Gracefully shutdown ExecutorService method.
     * @param executorService
     * @param timeoutMillis
     */
    public static void shutdownAndAwaitTermination(ExecutorService executorService,
        long timeoutMillis) {
      executorService.shutdown();
      try {
        if (!executorService.awaitTermination(timeoutMillis, TimeUnit.MILLISECONDS)) {
          executorService.shutdownNow();
        }
      } catch (InterruptedException e) {
        executorService.shutdownNow();
        Thread.currentThread().interrupt();
      }
    }
  }
  