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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.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.artemis.api.core.ActiveMQException;
  import org.apache.activemq.artemis.api.core.QueueConfiguration;
  import org.apache.activemq.artemis.api.core.SimpleString;
  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.server.Queue;
  import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
  import org.junit.jupiter.api.Test;
  
  public class CommitRollbackTest extends ActiveMQTestBase {
  
     public final SimpleString addressA = SimpleString.of("addressA");
  
     public final SimpleString addressB = SimpleString.of("addressB");
  
     public final SimpleString queueA = SimpleString.of("queueA");
  
     public final SimpleString queueB = SimpleString.of("queueB");
  
     public final SimpleString queueC = SimpleString.of("queueC");
  
     @Test
     public void testReceiveWithCommit() throws Exception {
        ActiveMQServer server = createServer(false);
        server.start();
  
        ServerLocator locator = createInVMNonHALocator();
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        ClientSession session = cf.createSession(false, false, false);
        sendSession.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        ClientConsumer cc = session.createConsumer(queueA);
        int numMessages = 100;
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
        }
        session.start();
        for (int i = 0; i < numMessages; i++) {
           ClientMessage cm = cc.receive(5000);
           assertNotNull(cm);
           cm.acknowledge();
        }
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        session.commit();
        assertEquals(0, q.getDeliveringCount());
        session.close();
        sendSession.close();
     }
  
     @Test
     public void testReceiveWithRollback() throws Exception {
        ActiveMQServer server = createServer(false);
  
        server.start();
        ServerLocator locator = createInVMNonHALocator();
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        ClientSession session = cf.createSession(false, false, false);
        sendSession.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        ClientConsumer cc = session.createConsumer(queueA);
        int numMessages = 100;
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
        }
        session.start();
        for (int i = 0; i < numMessages; i++) {
           ClientMessage cm = cc.receive(5000);
           assertNotNull(cm);
           cm.acknowledge();
        }
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        session.rollback();
        for (int i = 0; i < numMessages; i++) {
           ClientMessage cm = cc.receive(5000);
           assertNotNull(cm);
           cm.acknowledge();
        }
        assertEquals(numMessages, q.getDeliveringCount());
        session.close();
        sendSession.close();
     }
  
     @Test
     public void testReceiveWithRollbackMultipleConsumersDifferentQueues() throws Exception {
        ActiveMQServer server = createServer(false);
  
        server.start();
        ServerLocator locator = createInVMNonHALocator();
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        ClientSession session = cf.createSession(false, false, false);
        sendSession.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        sendSession.createQueue(QueueConfiguration.of(queueB).setAddress(addressB).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        ClientProducer cp2 = sendSession.createProducer(addressB);
        ClientConsumer cc = session.createConsumer(queueA);
        ClientConsumer cc2 = session.createConsumer(queueB);
        int numMessages = 100;
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
           cp2.send(sendSession.createMessage(false));
        }
        session.start();
        for (int i = 0; i < numMessages; i++) {
           ClientMessage cm = cc.receive(5000);
           assertNotNull(cm);
           cm.acknowledge();
           cm = cc2.receive(5000);
           assertNotNull(cm);
           cm.acknowledge();
        }
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        Queue q2 = (Queue) server.getPostOffice().getBinding(queueB).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        cc.close();
        cc2.close();
        session.rollback();
        assertEquals(0, q2.getDeliveringCount());
        assertEquals(numMessages, getMessageCount(q));
        assertEquals(0, q2.getDeliveringCount());
        assertEquals(numMessages, getMessageCount(q));
        sendSession.close();
        session.close();
     }
  
     @Test
     public void testAsyncConsumerCommit() throws Exception {
        ActiveMQServer server = createServer(false);
        server.start();
        ServerLocator locator = createInVMNonHALocator().setBlockOnAcknowledge(true).setAckBatchSize(0);
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        final ClientSession session = cf.createSession(false, true, false);
        sendSession.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        ClientConsumer cc = session.createConsumer(queueA);
        int numMessages = 100;
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
        }
        final CountDownLatch latch = new CountDownLatch(numMessages);
        session.start();
        cc.setMessageHandler(message -> {
           try {
              message.acknowledge();
           } catch (ActiveMQException e) {
              try {
                 session.close();
              } catch (ActiveMQException e1) {
                 e1.printStackTrace();
              }
           }
           latch.countDown();
        });
        assertTrue(latch.await(5, TimeUnit.SECONDS));
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        assertEquals(numMessages, getMessageCount(q));
        session.commit();
        assertEquals(0, q.getDeliveringCount());
        assertEquals(0, getMessageCount(q));
        sendSession.close();
        session.close();
  
     }
  
     @Test
     public void testAsyncConsumerRollback() throws Exception {
        ActiveMQServer server = createServer(false);
        server.start();
        ServerLocator locator = createInVMNonHALocator().setBlockOnAcknowledge(true).setAckBatchSize(0);
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        final ClientSession session = cf.createSession(false, true, false);
        sendSession.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        ClientConsumer cc = session.createConsumer(queueA);
        int numMessages = 100;
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
        }
        CountDownLatch latch = new CountDownLatch(numMessages);
        session.start();
        cc.setMessageHandler(new ackHandler(session, latch));
        assertTrue(latch.await(5, TimeUnit.SECONDS));
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        assertEquals(numMessages, getMessageCount(q));
        session.stop();
        session.rollback();
        assertEquals(0, q.getDeliveringCount());
        assertEquals(numMessages, getMessageCount(q));
        latch = new CountDownLatch(numMessages);
        cc.setMessageHandler(new ackHandler(session, latch));
        session.start();
        assertTrue(latch.await(5, TimeUnit.SECONDS));
        sendSession.close();
        session.close();
        cf.close();
  
     }
  
     private static class ackHandler implements MessageHandler {
  
        private final ClientSession session;
  
        private final CountDownLatch latch;
  
        private ackHandler(final ClientSession session, final CountDownLatch latch) {
           this.session = session;
           this.latch = latch;
        }
  
        @Override
        public void onMessage(final ClientMessage message) {
           try {
              message.acknowledge();
           } catch (ActiveMQException e) {
              try {
                 session.close();
              } catch (ActiveMQException e1) {
                 e1.printStackTrace();
              }
           }
           latch.countDown();
        }
     }
  }
  