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Java > Open Source Codes > org > jboss > aspects > asynch > ThreadPoolExecutor


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */

22 package org.jboss.aspects.asynch;
23
24 import java.util.concurrent.Callable JavaDoc;
25 import java.util.concurrent.ExecutorService JavaDoc;
26 import java.util.concurrent.Executors JavaDoc;
27
28 import org.jboss.aop.Advisor;
29 import org.jboss.aop.joinpoint.MethodInvocation;
30
31 /**
32  * Comment
33  *
34  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
35  * @version $Revision: 57757 $
36  */

37 public class ThreadPoolExecutor implements ExecutorAbstraction
38 {
39    private static ExecutorService JavaDoc executor = Executors.newCachedThreadPool();
40
41    public void setAdvisor(Advisor advisor)
42    {
43
44    }
45
46    public RemotableFuture execute(MethodInvocation invocation) throws Exception JavaDoc
47    {
48       final MethodInvocation copy = (MethodInvocation) invocation.copy();
49       final ClassLoader JavaDoc cl = Thread.currentThread().getContextClassLoader();
50       
51       java.util.concurrent.Future JavaDoc future = executor.submit(new Callable JavaDoc()
52       {
53          public Object JavaDoc call() throws Exception JavaDoc
54          {
55             try
56             {
57                Thread.currentThread().setContextClassLoader(cl);
58                return copy.invokeNext();
59             }
60             catch (Throwable JavaDoc throwable)
61             {
62                if (throwable instanceof Exception JavaDoc)
63                {
64                   throw ((Exception JavaDoc) throwable);
65                }
66                else
67                   throw new Exception JavaDoc(throwable);
68             }
69          }
70       });
71
72       return new FutureImplJavaUtilConcurrent(future);
73    }
74
75 }
76
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