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Java > Open Source Codes > com > db4o > messaging > MessageSender


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 package com.db4o.messaging;
22
23 /**
24  * message sender for client/server messaging.
25  * <br><br>db4o allows using the client/server TCP connection to send
26  * messages from the client to the server. Any object that can be
27  * stored to a db4o database file may be used as a message.<br><br>
28  * See the sample in ../com/db4o/samples/messaging/ on how to
29  * use the messaging feature. It is also used to stop the server
30  * in ../com/db4o/samples/clientserver/StopServer.java<br><br>
31  * <b>See Also:</b><br>
32  * {@link com.db4o.config.Configuration#getMessageSender()},<br>
33  * {@link MessageRecipient},<br>
34  * {@link com.db4o.config.Configuration#setMessageRecipient(MessageRecipient)}
35  */
36 public interface MessageSender {
37     
38     /**
39      * sends a message to the server.
40      * @param obj the message parameter, any object may be used.
41      */
42     public void send(Object JavaDoc obj);
43 }
44
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