public static TriggerConfigurer FromMessage <TStateMachine, TMessage, TMessageContext>(
this TriggerConfigurer configurer,
Func <TMessage, TMessageContext, Guid> correlationFunc,
Func <TStateMachine, TMessage, TMessageContext, Task> machineFunc,
Action <IConsumerConfigurationBuilder> consumeConfig = null
)
{
Func <object[], Task <Acknowledgement> > genericHandler = args =>
machineFunc((TStateMachine)args[0], (TMessage)args[1], (TMessageContext)args[2])
.ContinueWith <Acknowledgement>(t => new Ack());
Func <object, object, Guid> genericCorrFunc = (msg, ctx) => correlationFunc((TMessage)msg, (TMessageContext)ctx);
return(configurer.From(SubscribePipe, context =>
{
var stateMachineContext = new StateMachineContext(context);
stateMachineContext.Properties.Add(StateMachineKey.Type, typeof(TStateMachine));
stateMachineContext.AddMessageContextType <TMessageContext>();
stateMachineContext.Properties.Add(StateMachineKey.CorrelationFunc, genericCorrFunc);
stateMachineContext.UseLazyCorrelationArgs(ctx => new[] { ctx.GetMessage(), ctx.GetMessageContext() });
stateMachineContext.Properties.Add(PipeKey.MessageType, typeof(TMessage));
stateMachineContext.Properties.Add(PipeKey.ConfigurationAction, consumeConfig);
stateMachineContext.Properties.Add(PipeKey.MessageHandler, genericHandler);
stateMachineContext.UseLazyHandlerArgs(ctx => new[] { ctx.GetStateMachine(), ctx.GetMessage(), ctx.GetMessageContext() });
}));
}