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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   */
31  public class StandardThreadPool implements Executor
32  {
33      private final ExecutorService delegate;
34  
35  
36      public StandardThreadPool( int maxThreads )
37      {
38          delegate = Executors.newFixedThreadPool( maxThreads );
39      }
40  
41      
42      public void execute( Runnable command )
43      {
44          delegate.execute( command );
45      }
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  }