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.artemis.cli.commands.messages;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.Destination;
  import javax.jms.Session;
  
  import org.apache.activemq.artemis.cli.commands.ActionContext;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  
  @Command(name = "browser", description = "Browse messages on a queue.")
  public class Browse extends DestAbstract {
  
     @Option(names = "--filter", description = "The message filter.")
     String filter;
  
     @Override
     public Object execute(ActionContext context) throws Exception {
        super.execute(context);
  
        context.out.println("Consumer:: filter = " + filter);
  
        ConnectionFactory factory = createConnectionFactory();
  
        try (Connection connection = factory.createConnection()) {
           ConsumerThread[] threadsArray = new ConsumerThread[threads];
           for (int i = 0; i < threads; i++) {
              Session session;
              if (txBatchSize > 0) {
                 session = connection.createSession(true, Session.SESSION_TRANSACTED);
              } else {
                 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
              }
              Destination dest = getDestination(session);
              threadsArray[i] = new ConsumerThread(session, dest, i, context);
  
              threadsArray[i]
                 .setVerbose(verbose)
                 .setSleep(sleep)
                 .setMessageCount(messageCount)
                 .setFilter(filter)
                 .setBrowse(true);
           }
  
           for (ConsumerThread thread : threadsArray) {
              thread.start();
           }
  
           connection.start();
  
           long received = 0;
  
           for (ConsumerThread thread : threadsArray) {
              thread.join();
              received += thread.getReceived();
           }
  
           return received;
        }
     }
  }
  