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 }