@Test(expected = NullPointerException.class)
public void testRemoveClientListener_whenIdIsNull() {
HazelcastInstance instance = Hazelcast.newHazelcastInstance();
ClientService clientService = instance.getClientService();
clientService.removeClientListener(null);
}
@Test
public void testRemoveClientListener_whenNonExistingId() {
HazelcastInstance instance = Hazelcast.newHazelcastInstance();
ClientService clientService = instance.getClientService();
clientService.removeClientListener("foobar");
}
@Test
public void testClientListener() throws InterruptedException {
final HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final ClientService clientService = instance.getClientService();
final CountDownLatch latchAdd = new CountDownLatch(2);
final CountDownLatch latchRemove = new CountDownLatch(2);
final AtomicInteger totalAdd = new AtomicInteger(0);
final ClientListener clientListener =
new ClientListener() {
@Override
public void clientConnected(Client client) {
totalAdd.incrementAndGet();
latchAdd.countDown();
}
@Override
public void clientDisconnected(Client client) {
latchRemove.countDown();
}
};
final String id = clientService.addClientListener(clientListener);
final HazelcastInstance client1 = HazelcastClient.newHazelcastClient();
final HazelcastInstance client2 = HazelcastClient.newHazelcastClient();
client1.getLifecycleService().shutdown();
client2.getLifecycleService().shutdown();
assertTrue(latchAdd.await(6, TimeUnit.SECONDS));
assertTrue(latchRemove.await(6, TimeUnit.SECONDS));
assertTrue(clientService.removeClientListener(id));
assertFalse(clientService.removeClientListener("foo"));
assertEquals(0, clientService.getConnectedClients().size());
final HazelcastInstance client3 = HazelcastClient.newHazelcastClient();
assertTrueEventually(
new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(1, clientService.getConnectedClients().size());
}
},
4);
assertEquals(2, totalAdd.get());
}
@Test
public void testRemoveClientListener_whenListenerAlreadyRemoved() {
HazelcastInstance instance = Hazelcast.newHazelcastInstance();
ClientService clientService = instance.getClientService();
ClientListener clientListener = mock(ClientListener.class);
String id = clientService.addClientListener(clientListener);
// first time remove
clientService.removeClientListener(id);
// second time remove
clientService.removeClientListener(id);
}
@Test
public void testConnectedClients() {
final HazelcastInstance instance = Hazelcast.newHazelcastInstance();
final HazelcastInstance client1 = HazelcastClient.newHazelcastClient();
final HazelcastInstance client2 = HazelcastClient.newHazelcastClient();
final ClientService clientService = instance.getClientService();
final Collection<Client> connectedClients = clientService.getConnectedClients();
assertEquals(2, connectedClients.size());
final String uuid1 = client1.getLocalEndpoint().getUuid();
final String uuid2 = client2.getLocalEndpoint().getUuid();
for (Client connectedClient : connectedClients) {
final String uuid = connectedClient.getUuid();
assertTrue(uuid.equals(uuid1) || uuid.equals(uuid2));
}
}
@Test
public void testClientListenerForBothNodes() {
final HazelcastInstance instance1 = Hazelcast.newHazelcastInstance();
final HazelcastInstance instance2 = Hazelcast.newHazelcastInstance();
final ClientConnectedListenerLatch clientListenerLatch = new ClientConnectedListenerLatch(2);
final ClientService clientService1 = instance1.getClientService();
clientService1.addClientListener(clientListenerLatch);
final ClientService clientService2 = instance2.getClientService();
clientService2.addClientListener(clientListenerLatch);
final HazelcastInstance client = HazelcastClient.newHazelcastClient();
final String instance1Key = generateKeyOwnedBy(instance1);
final String instance2Key = generateKeyOwnedBy(instance2);
final IMap<Object, Object> map = client.getMap("map");
map.put(instance1Key, 0);
map.put(instance2Key, 0);
assertClientConnected(clientService1, clientService2);
assertOpenEventually(clientListenerLatch, 5);
}