Comments (3)
How about using Events to signal that the sub-workflow is finished?
builder
.StartWith<StartSubWorkflowA>(x=> x.Input(step => step.WorkflowId, (data, ctx) => ctx.Workflow.Id))
.WaitFor("SubWorkflowACompleted", (data, ctx) => ctx.Workflow.Id))
The StartSubWorkflowA step would trigger the sub workflow, passing it the WorkflowId so it can dispatch it in the event to signal that the subworkflow has finished
public class StartSubWorkflowA : StepBody
{
private readonly IWorkflowHost _workflowHost;
public string WorkflowId { get; set; }
public StartSubWorkflowA (IWorkflowHost workflowHost)
{
_workflowHost = workflowHost;
}
public override ExecutionResult Run(IStepExecutionContext context)
{
// kick off sub-workflow.
return ExecutionResult.Next();
}
}
And then as the final step of the sub workflow you'd need to trigger the event letting the "parent" workflow know it can resume:
await _workflowHost.PublishEvent("SubWorkflowACompleted", _workflowId);
(I've not tried any of this btw, just how I'd approach it if it were me)
from workflow-core.
Hi @jordanwallwork,
This is a good idea but I'd rather use a middleware to trigger the "workflowcompleted" event so that you can use any workflow as a subworkflow.
from workflow-core.
@jordanwallwork @cjundt
Thanks for the info! While we were waiting, we actually stumbled on this approach ourselves. We weren't sure if it was the best way to go, but I think it might work.
On a side note, using middleware to publish the event was a great tip – that really helped out!
from workflow-core.
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from workflow-core.