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Java > Open Source Codes > org > apache > excalibur > thread > impl > ExecutableRunnable


1 /*
2  * Copyright 2002-2004 The Apache Software Foundation
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
12  * implied.
13  *
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.excalibur.thread.impl;
18
19 import org.apache.excalibur.thread.Executable;
20
21 /**
22  * Class to adapt a {@link Runnable} object in
23  * an {@link Executable} object.
24  *
25  * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
26  */
27 final class ExecutableRunnable
28     implements Executable
29 {
30     ///The runnable instance being wrapped
31 private Runnable JavaDoc m_runnable;
32
33     /**
34      * Create adapter using specified runnable.
35      *
36      * @param runnable the runnable to adapt to
37      */
38     protected ExecutableRunnable( final Runnable JavaDoc runnable )
39     {
40         if( null == runnable )
41         {
42             throw new NullPointerException JavaDoc( "runnable" );
43         }
44         m_runnable = runnable;
45     }
46
47     /**
48      * Execute the underlying {@link Runnable} object.
49      *
50      * @throws Exception if an error occurs
51      */
52     public void execute()
53         throws Exception JavaDoc
54     {
55         m_runnable.run();
56     }
57 }
58
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