SessionCallback


1   /*
2    * Copyright 2002-2005 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
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  }
45

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