content: /*
   * 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 WARRANTIESOR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.aries.blueprint.utils.threading.impl;
  
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.Future;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.TimeoutException;
  
  public class WrappedFuture<T> implements Future<T> {
      private Discardable<?> _discardable;
      private Future<T> _future;
  
      public WrappedFuture(Future<T> f, Discardable<?> d) {
          _future = f;
          _discardable = d;
      }
  
      public boolean cancel(boolean arg0) {
          boolean result = _future.cancel(arg0);
  
          if (result) _discardable.discard();
  
          return result;
      }
  
      public T get() throws InterruptedException, ExecutionException {
          return _future.get();
      }
  
      public T get(long timeout, TimeUnit timeunit) throws InterruptedException, ExecutionException,
              TimeoutException {
          return _future.get(timeout, timeunit);
      }
  
      public boolean isCancelled() {
          return _future.isCancelled();
      }
  
      public boolean isDone() {
          return _future.isDone();
      }
  }