01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package javax.jms;
23:
24: /** If a JMS provider detects a serious problem with a <CODE>Connection</CODE>
25: * object, it informs the <CODE>Connection</CODE> object's
26: * <CODE>ExceptionListener</CODE>, if one has been registered.
27: * It does this by calling the listener's <CODE>onException</CODE> method,
28: * passing it a <CODE>JMSException</CODE> argument describing the problem.
29: *
30: * <P>An exception listener allows a client to be notified of a problem
31: * asynchronously. Some connections only consume messages, so they would have no
32: * other way to learn that their connection has failed.
33: *
34: * <P>A JMS provider should attempt to resolve connection problems
35: * itself before it notifies the client of them.
36: *
37: * @see javax.jms.Connection#setExceptionListener(ExceptionListener)
38: */
39:
40: public interface ExceptionListener {
41:
42: /** Notifies user of a JMS exception.
43: *
44: * @param exception the JMS exception
45: */
46:
47: void onException(JMSException exception);
48: }
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