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