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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.
   */
  package org.apache.activemq.artemis.tests.integration.cluster.distribution;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.MessageConsumer;
  import javax.jms.MessageProducer;
  import javax.jms.Session;
  import javax.jms.TextMessage;
  import javax.jms.Topic;
  
  import org.apache.activemq.artemis.core.server.cluster.impl.MessageLoadBalancingType;
  import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  public class TopicClusteredOffTest extends ClusterTestBase {
  
     @Override
     @BeforeEach
     public void setUp() throws Exception {
        super.setUp();
  
        start();
     }
  
     private void start() throws Exception {
        setupServers();
  
        setRedistributionDelay(0);
     }
  
     protected boolean isNetty() {
        return true;
     }
  
     @Test
     public void testTopicRedistributionOff() throws Exception {
        internalTest(false);
     }
  
     @Test
     public void testTopicRedistributionOn() throws Exception {
        internalTest(true);
     }
  
     private void internalTest(boolean redisitribute) throws Exception {
        if (redisitribute) {
           setupCluster(MessageLoadBalancingType.OFF_WITH_REDISTRIBUTION);
        } else {
           setupCluster(MessageLoadBalancingType.OFF);
        }
  
        startServers(0, 1);
  
        setupSessionFactory(0, isNetty());
        setupSessionFactory(1, isNetty());
  
        createQueue(0, "queues.dist", "queue0", null, false);
        createQueue(1, "queues.dist", "queue1", null, false);
  
        waitForBindings(0, "queues.dist", 1, 0, true);
        waitForBindings(0, "queues.dist", 1, 0, false);
  
        waitForBindings(1, "queues.dist", 1, 0, true);
        waitForBindings(1, "queues.dist", 1, 0, false);
  
        ConnectionFactory factory0 = CFUtil.createConnectionFactory("CORE", "tcp://localhost:61616");
        ConnectionFactory factory1 = CFUtil.createConnectionFactory("CORE", "tcp://localhost:61617");
  
        try (Connection connection = factory0.createConnection()) {
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
           Topic topic = session.createTopic("queues.dist");
           MessageProducer producer = session.createProducer(topic);
           for (int i = 0; i < 10; i++) {
              producer.send(session.createTextMessage("message" + i));
           }
           session.commit();
  
           connection.start();
  
           MessageConsumer consumer = session.createConsumer(session.createTopic("queues.dist::queue0"));
           for (int i = 0; i < 10; i++) {
              TextMessage message = (TextMessage) consumer.receive(5000);
              assertNotNull(message);
              assertEquals("message" + i, message.getText());
           }
           session.rollback();
        }
  
        try (Connection connection = factory1.createConnection()) {
           Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
           connection.start();
  
           MessageConsumer consumer = session.createConsumer(session.createTopic("queues.dist::queue1"));
           for (int i = 0; i < 10; i++) {
              TextMessage message = (TextMessage) consumer.receive(5000);
              assertNotNull(message);
              assertEquals("message" + i, message.getText());
           }
           session.rollback();
        }
  
        createQueue(1, "queues.dist", "queue0", null, false); // trying to force redistribution
  
        waitForBindings(0, "queues.dist", 1, 0, true);
        waitForBindings(0, "queues.dist", 2, 0, false);
  
        waitForBindings(1, "queues.dist", 2, 0, true);
        waitForBindings(1, "queues.dist", 1, 0, false);
  
  
        try (Connection connection = factory1.createConnection()) {
           Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
           connection.start();
  
           MessageConsumer consumer = session.createConsumer(session.createTopic("queues.dist::queue0"));
           if (redisitribute) {
              for (int i = 0; i < 10; i++) {
                 TextMessage message = (TextMessage) consumer.receive(5_000);
                 assertNotNull(message);
                 assertEquals("message" + i, message.getText());
              }
           } else {
              TextMessage message = (TextMessage) consumer.receive(100);
              assertNull(message, "Messages are being redistributed");
           }
        }
  
     }
  
     protected void setupCluster(final MessageLoadBalancingType messageLoadBalancingType) throws Exception {
        setupClusterConnection("cluster0", "queues", messageLoadBalancingType, 1, isNetty(), 0, 1);
  
        setupClusterConnection("cluster1", "queues", messageLoadBalancingType, 1, isNetty(), 1, 0);
     }
  
     protected void setRedistributionDelay(final long delay) {
        AddressSettings as = new AddressSettings().setRedistributionDelay(delay);
  
        getServer(0).getAddressSettingsRepository().addMatch("queues.*", as);
        getServer(1).getAddressSettingsRepository().addMatch("queues.*", as);
     }
  
     protected void setupServers() throws Exception {
        setupServer(0, isFileStorage(), isNetty());
        setupServer(1, isFileStorage(), isNetty());
     }
  
     protected void stopServers() throws Exception {
        closeAllConsumers();
  
        closeAllSessionFactories();
  
        closeAllServerLocatorsFactories();
  
        stopServers(0, 1);
  
        clearServer(0, 1);
     }
  
  }
  