private async Task <WorkflowInstance> TriggerSignalAsync(IWorkflowBlueprint workflowBlueprint, WorkflowInstance workflowInstance, string signal)
{
var workflowExecutionContext = new WorkflowExecutionContext(ServiceScope.ServiceProvider, workflowBlueprint, workflowInstance);
var workflowBlueprintWrapper = new WorkflowBlueprintWrapper(workflowBlueprint, workflowExecutionContext);
var activities = workflowBlueprintWrapper.Activities.Where(x => x.ActivityBlueprint.Type == nameof(SignalReceived));
var blockingActivityIds = workflowInstance.BlockingActivities.Where(x => x.ActivityType == nameof(SignalReceived)).Select(x => x.ActivityId).ToList();
var receiveSignalActivities = activities.Where(x => blockingActivityIds.Contains(x.ActivityBlueprint.Id)).ToList();
var receiveSignal = receiveSignalActivities.Single(activity => workflowBlueprintWrapper.GetActivity <SignalReceived>(activity.ActivityBlueprint.Id) !.EvaluatePropertyValueAsync(x => x.Signal).GetAwaiter().GetResult() == signal);
var triggeredSignal = new Signal(signal);
var result = await WorkflowRunner.RunWorkflowAsync(workflowBlueprint, workflowInstance, receiveSignal.ActivityBlueprint.Id, new WorkflowInput(triggeredSignal));
return(result.WorkflowInstance !);
}
