public override T GetProperty <T>()
        {
            if (typeof(T) == typeof(SessionOpenNotification))
            {
                if (this.sessionOpenNotification == null)
                {
                    this.sessionOpenNotification = new SessionOpenNotificationHelper(this);
                }

                return((T)(object)this.sessionOpenNotification);
            }

            return(base.GetProperty <T>());
        }
        internal ChannelHandler(MessageVersion messageVersion, IChannelBinder binder, ServiceThrottle throttle,
            ListenerHandler listener, bool wasChannelThrottled, WrappedTransaction acceptTransaction, SessionIdleManager idleManager)
        {
            ChannelDispatcher channelDispatcher = listener.ChannelDispatcher;

            this.messageVersion = messageVersion;
            this.isManualAddressing = channelDispatcher.ManualAddressing;
            this.binder = binder;
            this.throttle = throttle;
            this.listener = listener;
            this.wasChannelThrottled = wasChannelThrottled;

            this.host = listener.Host;
            this.receiveSynchronously = channelDispatcher.ReceiveSynchronously;
            this.sendAsynchronously = channelDispatcher.SendAsynchronously;
            this.duplexBinder = binder as DuplexChannelBinder;
            this.hasSession = binder.HasSession;
            this.isConcurrent = ConcurrencyBehavior.IsConcurrent(channelDispatcher, this.hasSession);

            if (channelDispatcher.MaxPendingReceives > 1)
            {
                // We need to preserve order if the ChannelHandler is not concurrent.
                this.binder = new MultipleReceiveBinder(
                    this.binder,
                    channelDispatcher.MaxPendingReceives,
                    !this.isConcurrent);
            }

            if (channelDispatcher.BufferedReceiveEnabled)
            {
                this.binder = new BufferedReceiveBinder(this.binder);
            }

            this.receiver = new ErrorHandlingReceiver(this.binder, channelDispatcher);
            this.idleManager = idleManager;
            Fx.Assert((this.idleManager != null) == (this.binder.HasSession && this.listener.ChannelDispatcher.DefaultCommunicationTimeouts.ReceiveTimeout != TimeSpan.MaxValue), "idle manager is present only when there is a session with a finite receive timeout");

            if (channelDispatcher.IsTransactedReceive && !channelDispatcher.ReceiveContextEnabled)
            {
                receiveSynchronously = true;
                receiveWithTransaction = true;

                if (channelDispatcher.MaxTransactedBatchSize > 0)
                {
                    int maxConcurrentBatches = 1;
                    if (null != throttle && throttle.MaxConcurrentCalls > 1)
                    {
                        maxConcurrentBatches = throttle.MaxConcurrentCalls;
                        foreach (EndpointDispatcher endpointDispatcher in channelDispatcher.Endpoints)
                        {
                            if (ConcurrencyMode.Multiple != endpointDispatcher.DispatchRuntime.ConcurrencyMode)
                            {
                                maxConcurrentBatches = 1;
                                break;
                            }
                        }
                    }

                    this.sharedTransactedBatchContext = new SharedTransactedBatchContext(this, channelDispatcher, maxConcurrentBatches);
                    this.isMainTransactedBatchHandler = true;
                    this.throttle = null;
                }
            }
            else if (channelDispatcher.IsTransactedReceive && channelDispatcher.ReceiveContextEnabled && channelDispatcher.MaxTransactedBatchSize > 0)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.IncompatibleBehaviors)));
            }

            if (this.binder.HasSession)
            {
                this.sessionOpenNotification = this.binder.Channel.GetProperty<SessionOpenNotification>();
                this.needToCreateSessionOpenNotificationMessage = this.sessionOpenNotification != null && this.sessionOpenNotification.IsEnabled;
            }

            this.acceptTransaction = acceptTransaction;
            this.requestInfo = new RequestInfo(this);

            if (this.listener.State == CommunicationState.Opened)
            {
                this.listener.ChannelDispatcher.Channels.IncrementActivityCount();
                this.incrementedActivityCountInConstructor = true;
            }
        }
        internal ChannelHandler(ChannelHandler handler, TransactedBatchContext context)
        {
            this.messageVersion = handler.messageVersion;
            this.isManualAddressing = handler.isManualAddressing;
            this.binder = handler.binder;
            this.listener = handler.listener;
            this.wasChannelThrottled = handler.wasChannelThrottled;

            this.host = handler.host;
            this.receiveSynchronously = true;
            this.receiveWithTransaction = true;
            this.duplexBinder = handler.duplexBinder;
            this.hasSession = handler.hasSession;
            this.isConcurrent = handler.isConcurrent;
            this.receiver = handler.receiver;

            this.sharedTransactedBatchContext = context.Shared;
            this.transactedBatchContext = context;
            this.requestInfo = new RequestInfo(this);

            this.sendAsynchronously = handler.sendAsynchronously;
            this.sessionOpenNotification = handler.sessionOpenNotification;
            this.needToCreateSessionOpenNotificationMessage = handler.needToCreateSessionOpenNotificationMessage;
            this.shouldRejectMessageWithOnOpenActionHeader = handler.shouldRejectMessageWithOnOpenActionHeader;
        }