content: /**
   * 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.transport.amqp;
  
  import static org.junit.Assert.assertNotNull;
  
  import java.util.concurrent.atomic.AtomicInteger;
  
  import jakarta.jms.BytesMessage;
  import jakarta.jms.DeliveryMode;
  import jakarta.jms.Message;
  import jakarta.jms.MessageConsumer;
  import jakarta.jms.MessageProducer;
  import jakarta.jms.Queue;
  import jakarta.jms.Session;
  
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class JMSMessageGroupsTest extends JMSClientTestSupport {
  
      protected static final Logger LOG = LoggerFactory.getLogger(JMSMessageGroupsTest.class);
  
      private static final int ITERATIONS = 10;
      private static final int MESSAGE_COUNT = 10;
      private static final int MESSAGE_SIZE = 200 * 1024;
      private static final int RECEIVE_TIMEOUT = 3000;
      private static final String JMSX_GROUP_ID = "JmsGroupsTest";
  
      @Test(timeout = 60000)
      public void testGroupSeqIsNeverLost() throws Exception {
          AtomicInteger sequenceCounter = new AtomicInteger();
  
          for (int i = 0; i < ITERATIONS; ++i) {
              connection = createConnection();
              {
                  sendMessagesToBroker(MESSAGE_COUNT, sequenceCounter);
                  readMessagesOnBroker(MESSAGE_COUNT);
              }
              connection.close();
          }
      }
  
      protected void readMessagesOnBroker(int count) throws Exception {
          Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
          Queue queue = session.createQueue(getDestinationName());
          MessageConsumer consumer = session.createConsumer(queue);
  
          for (int i = 0; i < MESSAGE_COUNT; ++i) {
              Message message = consumer.receive(RECEIVE_TIMEOUT);
              assertNotNull(message);
              LOG.debug("Read message #{}: type = {}", i, message.getClass().getSimpleName());
              String gid = message.getStringProperty("JMSXGroupID");
              String seq = message.getStringProperty("JMSXGroupSeq");
              LOG.debug("Message assigned JMSXGroupID := {}", gid);
              LOG.debug("Message assigned JMSXGroupSeq := {}", seq);
          }
  
          consumer.close();
      }
  
      protected void sendMessagesToBroker(int count, AtomicInteger sequence) throws Exception {
          Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
          Queue queue = session.createQueue(getDestinationName());
          MessageProducer producer = session.createProducer(queue);
  
          byte[] buffer = new byte[MESSAGE_SIZE];
          for (count = 0; count < MESSAGE_SIZE; count++) {
              String s = String.valueOf(count % 10);
              int value = s.charAt(0);
              buffer[count] = (byte) value;
          }
  
          LOG.debug("Sending {} messages to destination: {}", MESSAGE_COUNT, queue);
          for (int i = 1; i <= MESSAGE_COUNT; i++) {
              BytesMessage message = session.createBytesMessage();
              message.setJMSDeliveryMode(DeliveryMode.PERSISTENT);
              message.setStringProperty("JMSXGroupID", JMSX_GROUP_ID);
              message.setIntProperty("JMSXGroupSeq", sequence.incrementAndGet());
              message.writeBytes(buffer);
              producer.send(message);
          }
  
          producer.close();
      }
  }
  