package com.hazelcast.client.multimap;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.config.Config;
import com.hazelcast.core.EntryAdapter;
import com.hazelcast.core.EntryEvent;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.MultiMap;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.NightlyTest;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.atomic.AtomicInteger;
import static com.hazelcast.test.HazelcastTestSupport.assertJoinable;
import static com.hazelcast.test.HazelcastTestSupport.assertTrueEventually;
import static com.hazelcast.test.HazelcastTestSupport.randomString;
import static junit.framework.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category(NightlyTest.class)
public class ClientMultiMapListenerStressTest {
private static final int MAX_SECONDS = 60 * 10;
private static final int NUMBER_OF_CLIENTS = 8;
private static final int THREADS_PER_CLIENT = 8;
private static final String MAP_NAME = randomString();
static HazelcastInstance server;
@BeforeClass
public static void init() {
Config cfg = new Config();
cfg.setProperty("hazelcast.event.queue.capacity", "5000000");
server = Hazelcast.newHazelcastInstance(cfg);
}
@AfterClass
public static void destroy() {
HazelcastClient.shutdownAll();
Hazelcast.shutdownAll();
}
@Test
public void listenerAddStressTest() throws InterruptedException {
final PutItemsThread[] putThreads = new PutItemsThread[NUMBER_OF_CLIENTS * THREADS_PER_CLIENT];
int idx = 0;
for (int i = 0; i < NUMBER_OF_CLIENTS; i++) {
HazelcastInstance client = HazelcastClient.newHazelcastClient();
for (int j = 0; j < THREADS_PER_CLIENT; j++) {
PutItemsThread t = new PutItemsThread(client);
putThreads[idx++] = t;
}
}
for (int i = 0; i < putThreads.length; i++) {
putThreads[i].start();
}
MultiMap multiMap = server.getMultiMap(MAP_NAME);
assertJoinable(MAX_SECONDS, putThreads);
final int expectedSize = PutItemsThread.MAX_ITEMS * putThreads.length;
assertEquals(expectedSize, multiMap.size());
assertReceivedEventsSize(expectedSize, putThreads);
}
private void assertReceivedEventsSize(final int expectedSize, final PutItemsThread[] putThreads) {
for (int i = 0; i < putThreads.length; i++) {
putThreads[i].assertResult(expectedSize);
}
}
public class PutItemsThread extends Thread {
public static final int MAX_ITEMS = 1000;
public final MyEntryListener listener = new MyEntryListener();
public HazelcastInstance client;
public MultiMap mm;
public String id;
public PutItemsThread(HazelcastInstance client) {
this.id = randomString();
this.client = client;
this.mm = client.getMultiMap(MAP_NAME);
mm.addEntryListener(listener, true);
}
public void run() {
for (int i = 0; i < MAX_ITEMS; i++) {
mm.put(id + i, id + i);
}
}
public void assertResult(final int target) {
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(target, listener.add.get());
}
});
}
}
static class MyEntryListener extends EntryAdapter {
public AtomicInteger add = new AtomicInteger(0);
public void entryAdded(EntryEvent event) {
add.incrementAndGet();
}
}
}