01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: 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: import com.db4o.*;
24:
25: /**
26: * message recipient for client/server messaging.
27: * <br><br>db4o allows using the client/server TCP connection to send
28: * messages from the client to the server. Any object that can be
29: * stored to a db4o database file may be used as a message.<br><br>
30: * For an example see Reference documentation: <br>
31: * http://developer.db4o.com/Resources/view.aspx/Reference/Client-Server/Messaging<br>
32: * http://developer.db4o.com/Resources/view.aspx/Reference/Client-Server/Remote_Code_Execution<br><br>
33: * <b>See Also:</b><br>
34: * {@link com.db4o.config.ClientServerConfiguration#setMessageRecipient(com.db4o.messaging.MessageRecipient) ClientServerConfiguration.setMessageRecipient(MessageRecipient)}, <br>
35: * {@link MessageSender},<br>
36: * {@link com.db4o.config.ClientServerConfiguration#getMessageSender()}<br>
37: */
38: public interface MessageRecipient {
39:
40: /**
41: * the method called upon the arrival of messages.
42: * @param con the ObjectContainer the message was sent to.
43: * @param message the message received.
44: */
45: public void processMessage(ObjectContainer con, Object message);
46: }
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