public ServiceMessageEventArgs(ServiceMessageEventArgs parentArgs, SSSBMessage message)
{
_message = message ?? parentArgs.Message;
_service = parentArgs._service;
_token = parentArgs._token;
_taskID = parentArgs._taskID;
_serviceScope = parentArgs._serviceScope;
_tcs = parentArgs._tcs;
_completion = parentArgs._completion;
_services = parentArgs._services;
}
private Func <Task> _GetMessageHandler(SqlConnection dbconnection, SSSBMessage message, CancellationToken token)
{
IMessageHandler <ServiceMessageEventArgs> messageHandler;
// if we registered custom handlers for predefined message types
if (_messageHandlers.TryGetValue(message.MessageType, out messageHandler))
{
return(async() =>
{
ServiceMessageEventArgs serviceArgs = this.CreateServiceMessageEventArgs(message, token);
try
{
var customHandlerFactory = serviceArgs.Services.GetRequiredService <ICustomMessageHandlerFactory>();
var customHandler = customHandlerFactory.Create(serviceArgs);
await customHandler.HandleMessage(dbconnection, messageHandler, serviceArgs);
}
catch (Exception ex)
{
serviceArgs.TaskCompletionSource.TrySetException(ex);
throw;
}
});
}
else if (message.MessageType == SSSBMessage.EndDialogMessageType)
{
return(() => _standardMessageHandlers.EndDialogMessageHandler(dbconnection, message));
}
else if (message.MessageType == SSSBMessage.ErrorMessageType)
{
return(() => _standardMessageHandlers.ErrorMessageHandler(dbconnection, message));
}
else if (message.MessageType == SSSBMessage.EchoMessageType && message.ContractName == EchoContractName)
{
return(() => _standardMessageHandlers.EchoMessageHandler(dbconnection, message));
}
else
{
string err = string.Format(ServiceBrokerResources.UnknownMessageTypeErrMsg, message.MessageType);
return(() => _standardMessageHandlers.EndDialogMessageWithErrorHandler(dbconnection, message, err, 1));
}
}
protected virtual ServiceMessageEventArgs CreateServiceMessageEventArgs(SSSBMessage message, CancellationToken cancellation)
{
ServiceMessageEventArgs args = new ServiceMessageEventArgs(message, this._sssbService, cancellation, _services.CreateScope());
return(args);
}
