/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jms.core;
import javax.jms.JMSException;
import javax.jms.QueueBrowser;
import javax.jms.Session;
/**
* Callback for browsing the messages in a JMS queue.
*
* <p>To be used with JmsTemplate's callback methods that take a BrowserCallback
* argument, often implemented as an anonymous inner class.
*
* @author Juergen Hoeller
* @since 2.5.1
* @see JmsTemplate#browse(BrowserCallback)
* @see JmsTemplate#browseSelected(String, BrowserCallback)
*/
public interface BrowserCallback<T> {
/**
* Perform operations on the given {@link javax.jms.Session} and {@link javax.jms.QueueBrowser}.
* <p>The message producer is not associated with any destination.
* @param session the JMS <code>Session</code> object to use
* @param browser the JMS <code>QueueBrowser</code> object to use
* @return a result object from working with the <code>Session</code>, if any (can be <code>null</code>)
* @throws javax.jms.JMSException if thrown by JMS API methods
*/
T doInJms(Session session, QueueBrowser browser) throws JMSException;
}
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