ExecutableRunnable


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17  
18  package org.apache.james.util.thread;
19  
20  import org.apache.avalon.framework.activity.Executable;
21  
22  /**
23   * Class to adapt a {@link Runnable} object in
24   * an {@link Executable} object.
25   *
26   */
27  final class ExecutableRunnable
28     implements Executable
29  {
30      ///The runnable instance being wrapped
31         private Runnable   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   runnable )
39         {
40             if( null == runnable )
41             {
42                 throw new NullPointerException  ( "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  
54         {
55             m_runnable.run();
56         }
57  }
58
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