ConsumeQueuePrefetchTest.java

/**
 * 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.activemq.usecases;

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

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ConsumeQueuePrefetchTest extends ConsumeTopicPrefetchTest {

   private static final Logger LOG = LoggerFactory.getLogger(ConsumeQueuePrefetchTest.class);

   @Override
   protected void setUp() throws Exception {
      topic = false;
      super.setUp();
   }

   public void testInflightWithConsumerPerMessage() throws JMSException {
      makeMessages(prefetchSize);

      LOG.info("About to send and receive: " + prefetchSize + " on destination: " + destination + " of type: " + destination.getClass().getName());

      for (int i = 0; i < prefetchSize; i++) {
         Message message = session.createTextMessage(messageTexts[i]);
         producer.send(message);
      }

      validateConsumerPrefetch(this.getSubject(), prefetchSize);

      // new consumer per 20 messages
      for (int i = 0; i < prefetchSize; i += 20) {
         consumer.close();
         consumer = session.createConsumer(destination);
         validateConsumerPrefetch(this.getSubject(), prefetchSize - i);
         for (int j = 0; j < 20; j++) {
            Message message = consumeMessge(i + j);
            message.acknowledge();
         }
      }
   }
}