/**
* 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.broker.jmx;
import static org.junit.Assert.*;
import java.io.File;
import java.util.NoSuchElementException;
import java.util.concurrent.CountDownLatch;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.store.kahadb.KahaDBStore;
import org.apache.activemq.util.Wait;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Used to verify that the BrokerView accessed while the BrokerSerivce is waiting
* for a Slow Store startup to complete doesn't throw unexpected NullPointerExceptions.
*/
public class BrokerViewSlowStoreStartupTest {
private static final Logger LOG = LoggerFactory.getLogger(BrokerViewSlowStoreStartupTest.class);
private final CountDownLatch holdStoreStart = new CountDownLatch(1);
private final String brokerName = "brokerViewTest";
private BrokerService broker;
private Thread startThread;
private BrokerService createBroker() throws Exception {
BrokerService broker = new BrokerService();
broker.setBrokerName(brokerName);
KahaDBStore kaha = new KahaDBStore() {
@Override
public void start() throws Exception {
LOG.info("Test KahaDB class is waiting for signal to complete its start()");
holdStoreStart.await();
super.start();
LOG.info("Test KahaDB class is completed its start()");
}
};
kaha.setDirectory(new File("target/activemq-data/kahadb"));
kaha.deleteAllMessages();
broker.setPersistenceAdapter(kaha);
broker.setUseJmx(true);
return broker;
}
@Before
public void setUp() throws Exception {
broker = createBroker();
startThread = new Thread(new Runnable() {
@Override
public void run() {
try {
broker.start();
} catch(Exception e) {
e.printStackTrace();
}
}
});
startThread.start();
}
@After
public void tearDown() throws Exception {
// ensure we don't keep the broker held if an exception occurs somewhere.
holdStoreStart.countDown();
startThread.join();
if (broker != null) {
broker.stop();
broker.waitUntilStopped();
}
}
@Test(timeout=120000)
public void testBrokerViewOnSlowStoreStart() throws Exception {
// Ensure we have an Admin View.
assertTrue(Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return (broker.getAdminView()) != null;
}
}));
final BrokerView view = broker.getAdminView();
try {
view.getBrokerName();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getBrokerId();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalEnqueueCount();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalDequeueCount();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalConsumerCount();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalProducerCount();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalMessageCount();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTotalMessagesCached();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.resetStatistics();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.enableStatistics();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.disableStatistics();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.isStatisticsEnabled();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTopics();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getQueues();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryTopics();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryQueues();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTopicSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getDurableTopicSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getQueueSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryTopicSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryQueueSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getInactiveDurableTopicSubscribers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTopicProducers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getQueueProducers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryTopicProducers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getTemporaryQueueProducers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.getDynamicDestinationProducers();
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.removeConnector("tcp");
fail("Should have thrown an NoSuchElementException");
} catch(NoSuchElementException e) {
}
try {
view.removeNetworkConnector("tcp");
fail("Should have thrown an NoSuchElementException");
} catch(NoSuchElementException e) {
}
try {
view.addTopic("TEST");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.addQueue("TEST");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.removeTopic("TEST");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.removeQueue("TEST");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.createDurableSubscriber("1", "2", "3","4");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
try {
view.destroyDurableSubscriber("1", "2");
fail("Should have thrown an IllegalStateException");
} catch(IllegalStateException e) {
}
holdStoreStart.countDown();
startThread.join();
Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return view.getBroker() != null;
}
});
assertNotNull(view.getBroker());
try {
view.getBrokerName();
} catch(Exception e) {
fail("caught an exception getting the Broker property: " + e.getClass().getName());
}
try {
view.getBrokerId();
} catch(IllegalStateException e) {
fail("caught an exception getting the Broker property: " + e.getClass().getName());
}
try {
view.getTotalEnqueueCount();
} catch(IllegalStateException e) {
fail("caught an exception getting the Broker property: " + e.getClass().getName());
}
}
}