Hazelcast.Client.Spi.ClientInvocationService.CleanupEventHandlers C# (CSharp) Method

        private void CleanupEventHandlers(ClientConnection connection)
        {
            var keys = new List<long>();
            foreach (var entry in _listenerInvocations)
            {
                if (entry.Value.SentConnection == connection && entry.Value.BoundConnection == null)
                {
                    keys.Add(entry.Key);
                }
            }

            foreach (var key in keys)
            {
                ClientListenerInvocation invocation;
                _listenerInvocations.TryRemove(key, out invocation);

                if (invocation.Future.IsComplete && invocation.Future.Result != null)
                {
                    //re-register listener on a new node
                    if (!_isShutDown)
                    {
                        _client.GetClientExecutionService().Schedule(() =>
                            {
                                ReregisterListener(invocation)
                                    .ToTask()
                                    .ContinueWith(t => { Logger.Warning("Cannot reregister listener.", t.Exception); },
                                        TaskContinuationOptions.OnlyOnFaulted |
                                        TaskContinuationOptions.ExecuteSynchronously);
                            }, RetryWaitTime, TimeUnit.Milliseconds);
                    }
                }
            }
        }