content: package backtype.storm.utils;
  
  /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import java.util.concurrent.BlockingQueue;
  import java.util.concurrent.CancellationException;
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.Future;
  import java.util.concurrent.RejectedExecutionHandler;
  import java.util.concurrent.ThreadFactory;
  import java.util.concurrent.ThreadPoolExecutor;
  import java.util.concurrent.TimeUnit;
  
  public class ExtendedThreadPoolExecutor extends ThreadPoolExecutor {
  
      public ExtendedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
                                        TimeUnit unit, BlockingQueue<Runnable> workQueue) {
          super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
      }
  
      public ExtendedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
                                        TimeUnit unit, BlockingQueue<Runnable> workQueue,
              ThreadFactory threadFactory) {
          super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
      }
  
      public ExtendedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
                                        TimeUnit unit, BlockingQueue<Runnable> workQueue,
              RejectedExecutionHandler handler) {
          super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, handler);
      }
  
      public ExtendedThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime,
                                        TimeUnit unit, BlockingQueue<Runnable> workQueue,
              ThreadFactory threadFactory, RejectedExecutionHandler handler) {
          super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory, handler);
      }
  
      @Override
      protected void afterExecute(Runnable r, Throwable t) {
          super.afterExecute(r, t);
          if (t == null && r instanceof Future<?>) {
              try {
                  Object result = ((Future<?>) r).get();
              } catch (CancellationException ce) {
                  t = ce;
              } catch (ExecutionException ee) {
                  t = ee.getCause();
              } catch (InterruptedException ie) {
                  // If future got interrupted exception, we want to interrupt parent thread itself.
                  Thread.currentThread().interrupt();
              }
          }
          if (t != null) {
              Utils.handleUncaughtException(t);
          }
      }
  }
  