/**
* 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;
import java.util.concurrent.TimeUnit;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import org.apache.activemq.broker.BrokerRegistry;
import org.apache.activemq.broker.region.RegionBroker;
import org.apache.activemq.util.Wait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class OptimizedAckTest extends TestSupport {
private static final Logger LOG = LoggerFactory.getLogger(OptimizedAckTest.class);
private ActiveMQConnection connection;
@Override
protected void setUp() throws Exception {
super.setUp();
connection = (ActiveMQConnection) createConnection();
connection.setOptimizeAcknowledge(true);
connection.setOptimizeAcknowledgeTimeOut(0);
ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
prefetchPolicy.setAll(10);
connection.setPrefetchPolicy(prefetchPolicy);
}
@Override
protected void tearDown() throws Exception {
connection.close();
super.tearDown();
}
public void testReceivedMessageStillInflight() throws Exception {
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Queue queue = session.createQueue("test");
MessageProducer producer = session.createProducer(queue);
for (int i = 0; i < 10; i++) {
producer.send(session.createTextMessage("Hello" + i));
}
final RegionBroker regionBroker = (RegionBroker) BrokerRegistry.getInstance().findFirst().getRegionBroker();
MessageConsumer consumer = session.createConsumer(queue);
assertTrue("prefetch full", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
LOG.info("inflight count: " + regionBroker.getDestinationStatistics().getInflight().getCount());
return 10 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
for (int i = 0; i < 6; i++) {
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertEquals("all prefetch is still in flight: " + i, 10, regionBroker.getDestinationStatistics().getInflight().getCount());
}
for (int i = 6; i < 10; i++) {
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertTrue("most are acked but 3 remain", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return 3 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
}
}
public void testVerySlowReceivedMessageStillInflight() throws Exception {
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Queue queue = session.createQueue("test");
MessageProducer producer = session.createProducer(queue);
for (int i = 0; i < 10; i++) {
producer.send(session.createTextMessage("Hello" + i));
}
final RegionBroker regionBroker = (RegionBroker) BrokerRegistry.getInstance().findFirst().getRegionBroker();
MessageConsumer consumer = session.createConsumer(queue);
assertTrue("prefetch full", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
LOG.info("inflight count: " + regionBroker.getDestinationStatistics().getInflight().getCount());
return 10 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
for (int i = 0; i < 6; i++) {
Thread.sleep(400);
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertEquals("all prefetch is still in flight: " + i, 10, regionBroker.getDestinationStatistics().getInflight().getCount());
}
for (int i = 6; i < 10; i++) {
Thread.sleep(400);
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertTrue("most are acked but 3 remain", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return 3 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
}
}
public void testReceivedMessageNotInFlightAfterScheduledAckFires() throws Exception {
connection.setOptimizedAckScheduledAckInterval(TimeUnit.SECONDS.toMillis(10));
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Queue queue = session.createQueue("test");
MessageProducer producer = session.createProducer(queue);
for (int i = 0; i < 10; i++) {
producer.send(session.createTextMessage("Hello" + i));
}
final RegionBroker regionBroker = (RegionBroker) BrokerRegistry.getInstance().findFirst().getRegionBroker();
MessageConsumer consumer = session.createConsumer(queue);
assertTrue("prefetch full", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
LOG.info("inflight count: " + regionBroker.getDestinationStatistics().getInflight().getCount());
return 10 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
for (int i = 0; i < 6; i++) {
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertEquals("all prefetch is still in flight: " + i, 10, regionBroker.getDestinationStatistics().getInflight().getCount());
}
for (int i = 6; i < 10; i++) {
javax.jms.Message msg = consumer.receive(4000);
assertNotNull(msg);
assertTrue("most are acked but 3 remain", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return 3 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
}
assertTrue("After delay the scheduled ack should ack all inflight.", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
LOG.info("inflight count: " + regionBroker.getDestinationStatistics().getInflight().getCount());
return 0 == regionBroker.getDestinationStatistics().getInflight().getCount();
}
}));
}
}