EjbTimerEventListener


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package com.sun.enterprise.admin.event;
25  
26  public interface EjbTimerEventListener extends AdminEventListener {
27  
28     /**
29      * Migrates all ejb timers that belongs to the "from" server instance 
30      * to the targeted server instance. 
31      *
32      * @param  event timer event 
33      * @param  from  name of the server instance from where
34      *               ejb timers need to be migrated 
35      * @returns number of timers that were migrated
36      * @throws  AdminEventListenerException
37      *   when the listener is unable to process the event
38      */ 
39     public int migrateTimer(EjbTimerEvent event, String   from) 
40         throws AdminEventListenerException;
41    
42     /**
43      * Returns all active timers associated with the given server ids.
44      *
45      * @param  event timer event 
46      * @param  servers  name of server instances 
47      *
48      * @returns  description of all active timers associated with the given 
49      *           server ids 
50      *
51      * @throws  AdminEventListenerException  
52      *   when the listener is unable to process the event
53      */
54     public String  [] listTimers(EjbTimerEvent event, String  [] servers) 
55         throws AdminEventListenerException;
56  
57  }
58
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