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Java > Open Source Codes > org > apache > james > imapserver > MailboxEventSource


1 /***********************************************************************
2  * Copyright (c) 2000-2004 The Apache Software Foundation. *
3  * All rights reserved. *
4  * ------------------------------------------------------------------- *
5  * Licensed under the Apache License, Version 2.0 (the "License"); you *
6  * may not use this file except in compliance with the License. You *
7  * may obtain a copy of the License at: *
8  * *
9  * http://www.apache.org/licenses/LICENSE-2.0 *
10  * *
11  * Unless required by applicable law or agreed to in writing, software *
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14  * implied. See the License for the specific language governing *
15  * permissions and limitations under the License. *
16  ***********************************************************************/
17
18 package org.apache.james.imapserver;
19
20 /**
21  * Interface for objects that are sources for Mailbox Events. Mailbox Events
22  * are used to inform registered listeners of events in this Source. For
23  * example, if mail is delivered to an Inbox or if another user appends or
24  * deletes a message.
25  *
26  * <p>Not currently active in this implementation
27  *
28  * @version 0.1 on 14 Dec 2000
29  */
30 public interface MailboxEventSource {
31   
32     /**
33      * Registers a MailboxEventListener.
34      *
35      * @param mel MailboxEventListener to be registered with this source.
36      */
37     void addMailboxEventListener( MailboxEventListener mel );
38
39     /**
40      * Deregisters a MailboxEventListener.
41      *
42      * @param mel MailboxEventListener to be deregistered from this source.
43      */
44     void removeMailboxEventListener( MailboxEventListener mel );
45 }
46  
47
48
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