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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.http.impl.client.cache;
28  
29  import org.apache.http.concurrent.BasicFuture;
30  import org.apache.http.concurrent.FutureCallback;
31  
32  class ChainedFutureCallback<T> implements FutureCallback<T> {
33  
34      private final BasicFuture<T> wrapped;
35  
36      public ChainedFutureCallback(final BasicFuture<T> delegate) {
37          this.wrapped = delegate;
38      }
39  
40      public void completed(final T result) {
41          this.wrapped.completed(result);
42      }
43  
44      public void failed(final Exception ex) {
45          this.wrapped.failed(ex);
46      }
47  
48      public void cancelled() {
49          this.wrapped.cancel();
50      }
51  
52  }