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.tool;
  
  import jakarta.jms.Connection;
  import jakarta.jms.ConnectionFactory;
  import jakarta.jms.Destination;
  import jakarta.jms.JMSException;
  import jakarta.jms.Message;
  import jakarta.jms.MessageConsumer;
  import jakarta.jms.MessageListener;
  import jakarta.jms.Session;
  import jakarta.jms.Topic;
  
  /**
   * 
   */
  public class MemConsumer extends MemMessageIdList implements MessageListener {
  
      static long ctr;
  
      protected Connection connection;
      protected MessageConsumer consumer;
      protected long counter;
      protected boolean isParent;
      protected boolean inOrder = true;
  
  
      public MemConsumer() {
          super();
      }
  
      public MemConsumer(ConnectionFactory fac, Destination dest, String consumerName) throws JMSException {
          connection = fac.createConnection();
          Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
          if (dest instanceof Topic && consumerName != null && consumerName.length() > 0) {
              consumer = s.createDurableSubscriber((Topic) dest, consumerName);
          } else {
              consumer = s.createConsumer(dest);
          }
          consumer.setMessageListener(this);
      }
  
      public MemConsumer(ConnectionFactory fac, Destination dest) throws JMSException {
          this(fac, dest, null);
      }
  
      public void start() throws JMSException {
          connection.start();
      }
  
      public void stop() throws JMSException {
          connection.stop();
      }
  
      public void shutDown() throws JMSException {
          connection.close();
      }
  
  
      public Message receive() throws JMSException {
          return consumer.receive();
      }
  
      public Message receive(long wait) throws JMSException {
          return consumer.receive(wait);
      }
  
      public void onMessage(Message msg) {
          super.onMessage(msg);
  
          if (isParent) {
              try {
                  long ctr = msg.getLongProperty("counter");
                  if (counter != ctr) {
                      inOrder = false;
                  }
                  counter++;
  
              } catch (Exception e) {
                  e.printStackTrace();
              }
          }
      }
  
  
      public boolean isInOrder() {
          return inOrder;
      }
  
  
      public void setAsParent(boolean isParent) {
          this.isParent = isParent;
      }
  
      public boolean isParent() {
          return this.isParent;
      }
  
  
  }
  