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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *  http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  
21  package org.apache.directory.server.protocol.shared;
22  
23  import java.util.concurrent.Executor;
24  import java.util.concurrent.ExecutorService;
25  import java.util.concurrent.Executors;
26  import java.util.concurrent.TimeUnit;
27  
28  /**
29   * @version $Rev: 604361 $ $Date: 2007-12-15 01:58:40 +0100 (Sa, 15 Dez 2007) $
30   * @org.apache.xbean.XBean
31   */
32  public class StandardThreadPool implements Executor
33  {
34  
35      private final ExecutorService delegate;
36  
37  
38      public StandardThreadPool( int maxThreads )
39      {
40          delegate = Executors.newFixedThreadPool( maxThreads );
41      }
42  
43      public void execute( Runnable command )
44      {
45          delegate.execute( command );
46      }
47  
48      /**
49       * TODO wont this hang if some tasks are sufficiently badly behaved?
50       * @org.apache.xbean.DestroyMethod
51       */
52      public void stop()
53      {
54          delegate.shutdown();
55          for ( ; ; )
56          {
57              try
58              {
59                  if ( delegate.awaitTermination( Integer.MAX_VALUE, TimeUnit.SECONDS ) )
60                  {
61                      break;
62                  }
63              }
64              catch ( InterruptedException e )
65              {
66                  //ignore
67              }
68          }
69  
70      }
71  }