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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  package org.apache.mina.integration.xbean;
20  
21  
22  import java.util.concurrent.Executor;
23  import java.util.concurrent.ExecutorService;
24  import java.util.concurrent.Executors;
25  import java.util.concurrent.TimeUnit;
26  
27  
28  /**
29   * @org.apache.xbean.XBean
30   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
31   */
32  public class StandardThreadPool implements Executor
33  {
34      private final ExecutorService delegate;
35  
36  
37      public StandardThreadPool( int maxThreads )
38      {
39          delegate = Executors.newFixedThreadPool( maxThreads );
40      }
41  
42      
43      public void execute( Runnable command )
44      {
45          delegate.execute( command );
46      }
47  
48      
49      /**
50       * TODO wont this hang if some tasks are sufficiently badly behaved?
51       * @org.apache.xbean.DestroyMethod
52       */
53      public void stop()
54      {
55          delegate.shutdown();
56          for ( ; ; )
57          {
58              try
59              {
60                  if ( delegate.awaitTermination( Integer.MAX_VALUE, TimeUnit.SECONDS ) )
61                  {
62                      break;
63                  }
64              }
65              catch ( InterruptedException e )
66              {
67                  //ignore
68              }
69          }
70      }
71  }