/// <inheritdoc />
public async Task Execute(IFlowHandlerContext context, IYieldPoint yieldPoint)
{
if (!(yieldPoint is DelegateYieldPoint executableYieldPoint))
{
throw new YieldPointException($"Yield point is required in controller {context.Controller.GetType().Name} for method {context.Method.Name}");
}
FlowContext flowContext = null;
var disposeFlowContext = false;
try
{
var messageContext = context.ControllerMessageContext;
if (messageContext == null || !messageContext.Get(ContextItems.FlowContext, out flowContext))
{
flowContext = new FlowContext
{
HandlerContext = context
};
// If we ended up here it is because of a Start. No point in storing the new FlowContext
// in the messageContext as the yield point is the last to execute.
disposeFlowContext = true;
}
try
{
await executableYieldPoint.Execute(flowContext);
}
catch (YieldPointException e)
{
// Useful for debugging
e.Data["Tapeti.Controller.Name"] = context.Controller.GetType().FullName;
e.Data["Tapeti.Controller.Method"] = context.Method.Name;
throw;
}
flowContext.EnsureStoreOrDeleteIsCalled();
}
finally
{
if (disposeFlowContext)
{
flowContext.Dispose();
}
}
}
private static ReplyMetadata GetReply(IFlowHandlerContext context)
{
var requestAttribute = context.ControllerMessageContext?.Message?.GetType().GetCustomAttribute <RequestAttribute>();
if (requestAttribute?.Response == null)
{
return(null);
}
return(new ReplyMetadata
{
CorrelationId = context.ControllerMessageContext.Properties.CorrelationId,
ReplyTo = context.ControllerMessageContext.Properties.ReplyTo,
ResponseTypeName = requestAttribute.Response.FullName,
Mandatory = context.ControllerMessageContext.Properties.Persistent.GetValueOrDefault(true)
});
}