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.tests.integration.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  import java.lang.invoke.MethodHandles;
  
  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.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;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class AckBatchSizeTest extends ActiveMQTestBase {
  
     private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  
     public final SimpleString addressA = SimpleString.of("addressA");
  
     public final SimpleString queueA = SimpleString.of("queueA");
  
     public final SimpleString queueB = SimpleString.of("queueB");
  
     public final SimpleString queueC = SimpleString.of("queueC");
  
     /*ackbatchSize tests*/
  
     // tests that we don't acknowledge until the correct ackBatchSize is reached
     private int getMessageEncodeSize(final SimpleString address) throws Exception {
        ServerLocator locator = createInVMNonHALocator();
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession session = cf.createSession(false, true, true);
        ClientMessage message = session.createMessage(false);
        // we need to set the destination so we can calculate the encodesize correctly
        message.setAddress(address);
        int encodeSize = message.getEncodeSize();
        session.close();
        cf.close();
        return encodeSize;
     }
  
     @Test
     public void testAckBatchSize() throws Exception {
        ActiveMQServer server = createServer(false);
        server.start();
        int numMessages = 100;
        int originalSize = getMessageEncodeSize(addressA);
        ServerLocator locator = createInVMNonHALocator().setAckBatchSize(numMessages * originalSize).setBlockOnAcknowledge(true);
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
  
        ClientSession session = cf.createSession(false, true, true);
        session.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        for (int i = 0; i < numMessages; i++) {
           ClientMessage message = (ClientMessage)sendSession.createMessage(false).setAddress(addressA);
           assertEquals(originalSize, message.getEncodeSize());
           cp.send(message);
           assertEquals(originalSize, message.getEncodeSize());
        }
  
        ClientConsumer consumer = session.createConsumer(queueA);
        session.start();
        for (int i = 0; i < numMessages - 1; i++) {
           logger.debug("Receive ");
           ClientMessage m = consumer.receive(5000);
           assertEquals(0, m.getPropertyNames().size());
           assertEquals(originalSize, m.getEncodeSize(), "expected to be " + originalSize);
           m.acknowledge();
        }
  
        ClientMessage m = consumer.receive(5000);
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        assertEquals(numMessages, q.getDeliveringCount());
        m.acknowledge();
        assertEquals(0, q.getDeliveringCount());
        sendSession.close();
        session.close();
     }
  
     // tests that when the ackBatchSize is 0 we ack every message directly
     @Test
     public void testAckBatchSizeZero() throws Exception {
        ActiveMQServer server = createServer(false);
  
        server.start();
        ServerLocator locator = createInVMNonHALocator().setAckBatchSize(0).setBlockOnAcknowledge(true);
        ClientSessionFactory cf = createSessionFactory(locator);
        ClientSession sendSession = cf.createSession(false, true, true);
        int numMessages = 100;
  
        ClientSession session = cf.createSession(false, true, true);
        session.createQueue(QueueConfiguration.of(queueA).setAddress(addressA).setDurable(false));
        ClientProducer cp = sendSession.createProducer(addressA);
        for (int i = 0; i < numMessages; i++) {
           cp.send(sendSession.createMessage(false));
        }
  
        ClientConsumer consumer = session.createConsumer(queueA);
        session.start();
        Queue q = (Queue) server.getPostOffice().getBinding(queueA).getBindable();
        ClientMessage[] messages = new ClientMessage[numMessages];
        for (int i = 0; i < numMessages; i++) {
           messages[i] = consumer.receive(5000);
           assertNotNull(messages[i]);
        }
        for (int i = 0; i < numMessages; i++) {
           messages[i].acknowledge();
           assertEquals(numMessages - i - 1, q.getDeliveringCount());
        }
        sendSession.close();
        session.close();
     }
  }
  