1
2
3
4
5
6
7
8 package org.codehaus.dna;
9
10 /***
11 * Components should implement this interface if they need to
12 * be initialize resources at startup or deallocate resources
13 * during shutdown.
14 *
15 * <p>If the {@link #initialize()} method is invoked upon a
16 * component then the container must invoke the
17 * {@link #dispose()} even if the {@link #initialize()} throws
18 * an Exception.</p>
19 *
20 * @version $Revision: 1.2 $ $Date: 2004/05/01 09:51:48 $
21 */
22 public interface Active
23 {
24 /***
25 * Initialialize the component.
26 * This method gives the component the ability to
27 * perform processing or allocate any resources
28 * before the component becomes operational.
29 *
30 * @throws Exception if unable to initialize component.
31 */
32 void initialize()
33 throws Exception;
34
35 /***
36 * Dispose the component.
37 * This method gives the component the ability to
38 * perform processing or deallocate any resources
39 * before the component is destroyed.
40 *
41 * @throws Exception if unable to dispose component.
42 */
43 void dispose()
44 throws Exception;
45 }