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   * 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.
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  package org.apache.activemq.artemis.tests.integration.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.HashSet;
  import java.util.Set;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.client.ClientConsumer;
  import org.apache.activemq.artemis.api.core.client.ClientMessage;
  import org.apache.activemq.artemis.api.core.client.ClientProducer;
  import org.apache.activemq.artemis.api.core.client.ClientSession;
  import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
  import org.apache.activemq.artemis.api.core.client.MessageHandler;
  import org.apache.activemq.artemis.api.core.client.ServerLocator;
  import org.apache.activemq.artemis.core.server.ActiveMQServer;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.jms.client.ActiveMQTextMessage;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class MessageConsumerRollbackTest extends ActiveMQTestBase {
  
     ActiveMQServer server;
  
     ServerLocator locator;
  
     ClientSessionFactory sf;
  
     private static final String inQueue = "inqueue";
  
     private static final String outQueue = "outQueue";
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
  
        server = createServer(true, true);
  
        AddressSettings settings = new AddressSettings().setRedeliveryDelay(100);
        server.getConfiguration().getAddressSettings().put("#", settings);
  
        server.start();
  
        locator = createNettyNonHALocator();
  
        sf = createSessionFactory(locator);
  
        ClientSession session = sf.createTransactedSession();
  
        session.createQueue(QueueConfiguration.of(inQueue));
  
        session.createQueue(QueueConfiguration.of(outQueue));
  
        session.close();
     }
  
  
  
     @Test
     public void testRollbackMultipleConsumers() throws Exception {
  
        int numberOfMessages = 3000;
        int numberOfConsumers = 10;
  
        ClientSession session = sf.createTransactedSession();
  
        sendMessages(numberOfMessages, session);
  
        AtomicInteger count = new AtomicInteger(0);
        CountDownLatch commitLatch = new CountDownLatch(numberOfMessages);
  
        LocalConsumer[] consumers = new LocalConsumer[numberOfConsumers];
  
        for (int i = 0; i < numberOfConsumers; i++) {
           consumers[i] = new LocalConsumer(count, commitLatch);
           consumers[i].start();
        }
  
        commitLatch.await(2, TimeUnit.MINUTES);
  
        for (LocalConsumer consumer : consumers) {
           consumer.stop();
        }
  
        ClientConsumer consumer = session.createConsumer(outQueue);
  
        session.start();
  
        Set<Integer> values = new HashSet<>();
  
        for (int i = 0; i < numberOfMessages; i++) {
           ClientMessage msg = consumer.receive(1000);
           assertNotNull(msg);
           int value = msg.getIntProperty("out_msg");
           msg.acknowledge();
           assertFalse(values.contains(value), "msg " + value + " received in duplicate");
           values.add(value);
        }
  
        assertNull(consumer.receiveImmediate());
  
        for (int i = 0; i < numberOfMessages; i++) {
           assertTrue(values.contains(i));
        }
  
        assertEquals(numberOfMessages, values.size());
  
        session.close();
  
     }
  
     private void sendMessages(int numberOfMessages, ClientSession session) throws Exception {
        ClientProducer producer = session.createProducer(inQueue);
  
        for (int i = 0; i < numberOfMessages; i++) {
           ActiveMQTextMessage txt = new ActiveMQTextMessage(session);
           txt.setIntProperty("msg", i);
           txt.setText("Message Number (" + i + ")");
           txt.doBeforeSend();
           producer.send(txt.getCoreMessage());
        }
  
        session.commit();
     }
  
     private class LocalConsumer implements MessageHandler {
  
        // One of the tests will need this
        boolean rollbackFirstMessage = true;
  
        ServerLocator consumerLocator;
  
        ClientSessionFactory factoryLocator;
  
        ClientSession session;
  
        ClientConsumer consumer;
  
        ClientProducer producer;
  
        AtomicInteger counter;
  
        CountDownLatch commitLatch;
  
        private LocalConsumer(AtomicInteger counter, CountDownLatch commitLatch) {
           this.counter = counter;
           this.commitLatch = commitLatch;
        }
  
        public void stop() throws Exception {
           session.close();
           factoryLocator.close();
           consumerLocator.close();
        }
  
        public void start() throws Exception {
           consumerLocator = createNettyNonHALocator();
  
           factoryLocator = createSessionFactory(consumerLocator);
  
           session = factoryLocator.createTransactedSession();
  
           consumer = session.createConsumer(inQueue);
  
           producer = session.createProducer(outQueue);
  
           consumer.setMessageHandler(this);
  
           session.start();
        }
  
        @Override
        public void onMessage(ClientMessage message) {
  
           try {
  
              message.acknowledge();
              ClientMessage outmsg = session.createMessage(true);
  
              outmsg.putIntProperty("out_msg", message.getIntProperty("msg"));
  
              producer.send(outmsg);
  
              if (rollbackFirstMessage) {
                 session.rollback();
                 rollbackFirstMessage = false;
                 return;
              }
  
              if (counter.incrementAndGet() % 200 == 0) {
                 session.rollback();
              } else {
                 commitLatch.countDown();
                 session.commit();
              }
           } catch (Exception e) {
              e.printStackTrace();
              try {
                 session.rollback();
              } catch (Exception ignored) {
                 ignored.printStackTrace();
              }
           }
  
        }
     }
  }
  