protected virtual string RegisterListener(IClientMessage registrationMessage,
DecodeRegistrationResponse responseDecoder,
EncodeDeregisterListenerRequest encodeDeregisterListenerRequest, DistributedEventHandler eventHandler)
{
return(_context.GetListenerService()
.RegisterListener(registrationMessage, responseDecoder, encodeDeregisterListenerRequest, eventHandler));
}
public bool DeregisterListener(string userRegistrationId,
EncodeDeregisterListenerRequest encodeDeregisterListenerRequest)
{
Debug.Assert(!Thread.CurrentThread.Name.Contains("eventRegistration"));
try
{
return(Task <bool> .Factory.StartNew(
() => DeregisterListenerInternal(userRegistrationId, encodeDeregisterListenerRequest),
Task <bool> .Factory.CancellationToken,
Task <bool> .Factory.CreationOptions, _registrationScheduler).Result);
}
catch (Exception e)
{
throw ExceptionUtil.Rethrow(e);
}
}
private bool DeregisterListenerInternal(string userRegistrationId,
EncodeDeregisterListenerRequest encodeDeregisterListenerRequest)
{
Debug.Assert(!Thread.CurrentThread.Name.Contains("eventRegistration"));
var key = new ListenerRegistrationKey(userRegistrationId);
ConcurrentDictionary <ClientConnection, EventRegistration> registrationMap;
if (!_registrations.TryGetValue(key, out registrationMap))
{
return(false);
}
var successful = true;
foreach (var registration in registrationMap.Values)
{
var connection = registration.ClientConnection;
try
{
var serverRegistrationId = registration.ServerRegistrationId;
var request = encodeDeregisterListenerRequest(serverRegistrationId);
var future = ((ClientInvocationService)_client.GetInvocationService())
.InvokeOnConnection(request, connection);
ThreadUtil.GetResult(future);
DistributedEventHandler removed;
_eventHandlers.TryRemove(registration.CorrelationId, out removed);
EventRegistration reg;
registrationMap.TryRemove(connection, out reg);
}
catch (Exception e)
{
if (connection.Live)
{
successful = false;
Logger.Warning(
string.Format("Deregistration of listener with ID {0} has failed to address {1}",
userRegistrationId, connection.GetLocalSocketAddress()), e);
}
}
}
if (successful)
{
_registrations.TryRemove(key, out registrationMap);
}
return(successful);
}
public string RegisterListener(IClientMessage registrationMessage, DecodeRegistrationResponse responseDecoder,
EncodeDeregisterListenerRequest encodeDeregisterListenerRequest, DistributedEventHandler eventHandler)
{
Debug.Assert(!Thread.CurrentThread.Name.Contains("eventRegistration"));
TrySyncConnectToAllConnections();
var registrationTask = new Task <string>(() =>
{
var userRegistrationId = Guid.NewGuid().ToString();
var registrationKey =
new ListenerRegistrationKey(userRegistrationId, registrationMessage, responseDecoder, eventHandler);
_registrations.TryAdd(registrationKey, new ConcurrentDictionary <ClientConnection, EventRegistration>());
var connections = _connectionManager.ActiveConnections;
foreach (var connection in connections)
{
try
{
RegisterListenerOnConnection(registrationKey, connection);
}
catch (Exception e)
{
if (connection.Live)
{
DeregisterListenerInternal(userRegistrationId, encodeDeregisterListenerRequest);
throw new HazelcastException("Listener cannot be added ", e);
}
}
}
return(userRegistrationId);
});
try
{
registrationTask.Start(_registrationScheduler);
return(registrationTask.Result);
}
catch (Exception e)
{
throw ExceptionUtil.Rethrow(e);
}
}
protected virtual bool DeregisterListener(string userRegistrationId,
EncodeDeregisterListenerRequest encodeDeregisterListenerRequest)
{
return(_context.GetListenerService()
.DeregisterListener(userRegistrationId, encodeDeregisterListenerRequest));
}
