use of com.hazelcast.quorum.QuorumListener in project hazelcast by hazelcast.
the class CacheQuorumListenerTest method testQuorumEventProvidesCorrectMemberListSize.
@Test
public void testQuorumEventProvidesCorrectMemberListSize() {
final CountDownLatch belowLatch = new CountDownLatch(1);
Config config = new Config();
QuorumListenerConfig listenerConfig = new QuorumListenerConfig();
listenerConfig.setImplementation(new QuorumListener() {
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
Collection<Member> currentMembers = quorumEvent.getCurrentMembers();
assertEquals(3, quorumEvent.getThreshold());
assertTrue(currentMembers.size() < quorumEvent.getThreshold());
belowLatch.countDown();
}
}
});
String cacheName = randomString();
String quorumName = randomString();
QuorumConfig quorumConfig = new QuorumConfig(quorumName, true, 3);
quorumConfig.addListenerConfig(listenerConfig);
config.getCacheConfig(cacheName).setQuorumName(quorumName);
config.addQuorumConfig(quorumConfig);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
HazelcastInstance instance1 = factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
HazelcastServerCachingProvider cachingProvider = HazelcastServerCachingProvider.createCachingProvider(instance1);
Cache<Object, Object> cache = cachingProvider.getCacheManager().getCache(cacheName);
try {
cache.put(generateKeyOwnedBy(instance1), 1);
fail("Expected a QuorumException");
} catch (QuorumException expected) {
EmptyStatement.ignore(expected);
}
assertOpenEventually(belowLatch, 15);
}
use of com.hazelcast.quorum.QuorumListener in project hazelcast by hazelcast.
the class QuorumListenerTest method testQuorumFailureEventFiredWhenNodeCountBelowThreshold.
@Test
public void testQuorumFailureEventFiredWhenNodeCountBelowThreshold() {
final CountDownLatch countDownLatch = new CountDownLatch(1);
Config config = new Config();
QuorumListenerConfig listenerConfig = new QuorumListenerConfig();
listenerConfig.setImplementation(new QuorumListener() {
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
countDownLatch.countDown();
}
}
});
String mapName = randomMapName();
String quorumName = randomString();
QuorumConfig quorumConfig = new QuorumConfig(quorumName, true, 3);
quorumConfig.addListenerConfig(listenerConfig);
config.getMapConfig(mapName).setQuorumName(quorumName);
config.addQuorumConfig(quorumConfig);
HazelcastInstance instance = createHazelcastInstance(config);
IMap<Object, Object> map = instance.getMap(mapName);
try {
map.put(generateKeyOwnedBy(instance), 1);
} catch (Exception e) {
e.printStackTrace();
}
assertOpenEventually(countDownLatch, 15);
}
use of com.hazelcast.quorum.QuorumListener in project hazelcast by hazelcast.
the class QuorumListenerTest method testQuorumFailureEventFiredWhenNodeCountDropsBelowThreshold.
@Test
public void testQuorumFailureEventFiredWhenNodeCountDropsBelowThreshold() {
final CountDownLatch countDownLatch = new CountDownLatch(1);
Config config = new Config();
QuorumListenerConfig listenerConfig = new QuorumListenerConfig();
listenerConfig.setImplementation(new QuorumListener() {
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
countDownLatch.countDown();
}
}
});
String mapName = randomMapName();
String quorumName = randomString();
QuorumConfig quorumConfig = new QuorumConfig(quorumName, true, 3);
quorumConfig.addListenerConfig(listenerConfig);
config.getMapConfig(mapName).setQuorumName(quorumName);
config.addQuorumConfig(quorumConfig);
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory();
factory.newHazelcastInstance(config);
factory.newHazelcastInstance();
HazelcastInstance hz = factory.newHazelcastInstance();
hz.shutdown();
assertOpenEventually(countDownLatch, 15);
}
use of com.hazelcast.quorum.QuorumListener in project hazelcast by hazelcast.
the class QuorumListenerTest method testDifferentQuorumsGetCorrectEvents.
@Test
public void testDifferentQuorumsGetCorrectEvents() {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(3);
final CountDownLatch quorumFailureLatch = new CountDownLatch(2);
String fourNodeQuorumName = "fourNode";
QuorumConfig fourNodeQuorumConfig = new QuorumConfig(fourNodeQuorumName, true, 4);
fourNodeQuorumConfig.addListenerConfig(new QuorumListenerConfig(new QuorumListener() {
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
quorumFailureLatch.countDown();
}
}
}));
String threeNodeQuorumName = "threeNode";
QuorumConfig threeNodeQuorumConfig = new QuorumConfig(threeNodeQuorumName, true, 3);
threeNodeQuorumConfig.addListenerConfig(new QuorumListenerConfig(new QuorumListener() {
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
quorumFailureLatch.countDown();
}
}
}));
MapConfig fourNodeMapConfig = new MapConfig("fourNode");
fourNodeMapConfig.setQuorumName(fourNodeQuorumName);
MapConfig threeNodeMapConfig = new MapConfig("threeNode");
threeNodeMapConfig.setQuorumName(threeNodeQuorumName);
Config config = new Config();
config.addMapConfig(fourNodeMapConfig);
config.addQuorumConfig(fourNodeQuorumConfig);
config.addMapConfig(threeNodeMapConfig);
config.addQuorumConfig(threeNodeQuorumConfig);
factory.newHazelcastInstance(config);
factory.newHazelcastInstance(config);
assertOpenEventually(quorumFailureLatch);
}
use of com.hazelcast.quorum.QuorumListener in project hazelcast by hazelcast.
the class CacheQuorumListenerTest method testCustomResolverFiresQuorumFailureEvent.
@Test
public void testCustomResolverFiresQuorumFailureEvent() {
final CountDownLatch countDownLatch = new CountDownLatch(1);
Config config = new Config();
QuorumListenerConfig listenerConfig = new QuorumListenerConfig();
listenerConfig.setImplementation(new QuorumListener() {
@Override
public void onChange(QuorumEvent quorumEvent) {
if (!quorumEvent.isPresent()) {
countDownLatch.countDown();
}
}
});
String cacheName = randomString();
String quorumName = randomString();
QuorumConfig quorumConfig = new QuorumConfig();
quorumConfig.setName(quorumName);
quorumConfig.setEnabled(true);
quorumConfig.addListenerConfig(listenerConfig);
quorumConfig.setQuorumFunctionImplementation(new QuorumFunction() {
@Override
public boolean apply(Collection<Member> members) {
return false;
}
});
config.getCacheConfig(cacheName).setQuorumName(quorumName);
config.addQuorumConfig(quorumConfig);
HazelcastInstance instance = createHazelcastInstance(config);
HazelcastServerCachingProvider cachingProvider = HazelcastServerCachingProvider.createCachingProvider(instance);
Cache<Object, Object> cache = cachingProvider.getCacheManager().getCache(cacheName);
try {
cache.put(generateKeyOwnedBy(instance), 1);
fail("Expected a QuorumException");
} catch (QuorumException expected) {
EmptyStatement.ignore(expected);
}
assertOpenEventually(countDownLatch, 15);
}
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