/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.spi;
import com.hazelcast.core.ITopic;
import com.hazelcast.core.Message;
import com.hazelcast.core.MessageListener;
import com.hazelcast.instance.HazelcastInstanceImpl;
import com.hazelcast.instance.HazelcastInstanceProxy;
import com.hazelcast.instance.MemberImpl;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.serialization.SerializationService;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.topic.impl.TopicEvent;
import com.hazelcast.topic.impl.TopicService;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.lang.reflect.Field;
import java.util.Collection;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class EventServiceTest extends HazelcastTestSupport {
@Test(timeout = 90000)
public void testEventService() throws Exception {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
HazelcastInstanceProxy h1 = (HazelcastInstanceProxy) factory.newHazelcastInstance();
HazelcastInstanceProxy h2 = (HazelcastInstanceProxy) factory.newHazelcastInstance();
HazelcastInstanceProxy h3 = (HazelcastInstanceProxy) factory.newHazelcastInstance();
CountDownLatch l1 = new CountDownLatch(1000);
CountDownLatch l2 = new CountDownLatch(1000);
CountDownLatch l3 = new CountDownLatch(1000);
ITopic t1 = h1.getTopic("foo");
ITopic t2 = h2.getTopic("foo");
ITopic t3 = h3.getTopic("foo");
t1.addMessageListener(createMessageListener(l1));
t2.addMessageListener(createMessageListener(l2));
t3.addMessageListener(createMessageListener(l3));
MemberImpl m1 = (MemberImpl) h1.getCluster().getLocalMember();
MemberImpl m2 = (MemberImpl) h2.getCluster().getLocalMember();
MemberImpl m3 = (MemberImpl) h3.getCluster().getLocalMember();
Address a1 = m1.getAddress();
Address a2 = m2.getAddress();
Address a3 = m3.getAddress();
Field original = HazelcastInstanceProxy.class.getDeclaredField("original");
original.setAccessible(true);
HazelcastInstanceImpl impl1 = (HazelcastInstanceImpl) original.get(h1);
HazelcastInstanceImpl impl2 = (HazelcastInstanceImpl) original.get(h2);
HazelcastInstanceImpl impl3 = (HazelcastInstanceImpl) original.get(h3);
EventService es1 = impl1.node.nodeEngine.getEventService();
EventService es2 = impl2.node.nodeEngine.getEventService();
EventService es3 = impl3.node.nodeEngine.getEventService();
SerializationService ss1 = impl1.node.nodeEngine.getSerializationService();
SerializationService ss2 = impl2.node.nodeEngine.getSerializationService();
SerializationService ss3 = impl3.node.nodeEngine.getSerializationService();
int counter = 0;
for (int i = 0; i < 3000; i++) {
if (counter == 0) {
TopicEvent event = builTopicEvent("Foo" + i, m1, ss1);
Collection<EventRegistration> registrations = es1.getRegistrations(TopicService.SERVICE_NAME, "foo");
EventRegistration registration = findEventRegistration(a3, registrations);
es1.publishEvent(TopicService.SERVICE_NAME, registration, event, 0);
} else if (counter == 1) {
TopicEvent event = builTopicEvent("Foo" + i, m2, ss2);
Collection<EventRegistration> registrations = es2.getRegistrations(TopicService.SERVICE_NAME, "foo");
EventRegistration registration = findEventRegistration(a1, registrations);
es2.publishEvent(TopicService.SERVICE_NAME, registration, event, 0);
} else if (counter == 2) {
TopicEvent event = builTopicEvent("Foo" + i, m3, ss3);
Collection<EventRegistration> registrations = es3.getRegistrations(TopicService.SERVICE_NAME, "foo");
EventRegistration registration = findEventRegistration(a2, registrations);
es3.publishEvent(TopicService.SERVICE_NAME, registration, event, 0);
}
counter++;
if (counter == 3) counter = 0;
}
l1.await(30, TimeUnit.SECONDS);
l2.await(30, TimeUnit.SECONDS);
l3.await(30, TimeUnit.SECONDS);
}
private TopicEvent builTopicEvent(String value, MemberImpl member, SerializationService ss) {
return new TopicEvent("foo", ss.toData(value), member.getAddress());
}
private EventRegistration findEventRegistration(Address address, Collection<EventRegistration> registrations) {
for (EventRegistration registration : registrations) {
if (registration.getSubscriber().equals(address)) {
return registration;
}
}
return null;
}
private MessageListener createMessageListener(final CountDownLatch latch) {
return new MessageListener() {
@Override
public void onMessage(Message message) {
latch.countDown();
}
};
}
}