/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.jmeter.protocol.jms.sampler;

import javax.jms.JMSException;
import javax.jms.Message;

/**
 * Executor for (pseudo) synchronous communication. <br>
 * Created on: October 28, 2004
 * 
 * @author Martijn Blankestijn
 * @version $Id: QueueExecutor.java 493789 2007-01-07 18:10:21Z sebb $
 */
public interface QueueExecutor {
	/**
	 * Sends and receives a message.
	 * 
	 * @param request
	 *            the message to send
	 * @return the received message or <code>null</code>
	 * @throws JMSException
	 *             in case of an exception from the messaging system
	 */
	public abstract Message sendAndReceive(Message request) throws JMSException;

}