01: /*
02: * Copyright 2002-2005 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.springframework.jms.core;
18:
19: import javax.jms.JMSException;
20: import javax.jms.Session;
21:
22: /**
23: * Callback for executing any number of operations on a provided
24: * {@link Session}.
25: *
26: * <p>To be used with the {@link JmsTemplate#execute(SessionCallback)}
27: * method, often implemented as an anonymous inner class.
28: *
29: * @author Mark Pollack
30: * @since 1.1
31: * @see JmsTemplate#execute(SessionCallback)
32: */
33: public interface SessionCallback {
34:
35: /**
36: * Execute any number of operations against the supplied JMS
37: * {@link Session}, possibly returning a result.
38: * @param session the JMS <code>Session</code>
39: * @return a result object from working with the <code>Session</code>, if any (so can be <code>null</code>)
40: * @throws javax.jms.JMSException if thrown by JMS API methods
41: */
42: Object doInJms(Session session) throws JMSException;
43:
44: }
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