private void invoke(ClientRegistrationKey registrationKey, Address address) throws Exception {
ListenerMessageCodec codec = registrationKey.getCodec();
ClientMessage request = codec.encodeAddRequest(true);
EventHandler handler = registrationKey.getHandler();
handler.beforeListenerRegister();
ClientInvocation invocation = new ClientInvocation(client, request, address);
invocation.setEventHandler(handler);
String serverRegistrationId = codec.decodeAddResponse(invocation.invoke().get());
handler.onListenerRegister();
int correlationId = request.getCorrelationId();
ClientEventRegistration registration =
new ClientEventRegistration(serverRegistrationId, correlationId, address, codec);
Map<Address, ClientEventRegistration> registrationMap = registrations.get(registrationKey);
registrationMap.put(address, registration);
}
@Override
public boolean deregisterListener(String userRegistrationId) {
synchronized (listenerRegLock) {
ClientRegistrationKey key = new ClientRegistrationKey(userRegistrationId);
Map<Address, ClientEventRegistration> registrationMap = registrations.get(key);
if (registrationMap == null) {
return false;
}
boolean successful = true;
for (ClientEventRegistration registration : registrationMap.values()) {
Address subscriber = registration.getSubscriber();
try {
ListenerMessageCodec listenerMessageCodec = registration.getCodec();
String serverRegistrationId = registration.getServerRegistrationId();
ClientMessage request = listenerMessageCodec.encodeRemoveRequest(serverRegistrationId);
Future future = new ClientInvocation(client, request, subscriber).invoke();
future.get();
removeEventHandler(registration.getCallId());
registrationMap.remove(subscriber);
} catch (Exception e) {
successful = false;
logger.warning(
"Deregistration of listener with id "
+ userRegistrationId
+ " has failed to address "
+ subscriber,
e);
}
}
if (successful) {
registrations.remove(key);
}
return successful;
}
}