Wait node

[swapnil-pando]

Is there a concept of wait node in Imixs workflow. Wait node should wait indefinitely at a point, until some user interaction happens like click of a button. Is there any way to implement this scenario in Imixs?

[rsoika]

Hi,
Imixs-Workflow is a event-driven workflow engine. So the behaviour you expect is the default behaviour. A workflow instance is assigned uniquely to a Task which reflects the current state of your process. The workflow engine waits until a new event is triggered by the processWorkItem method:

// trigger event with id 10 of the current task
workitem = workflowService.processWorkItem(workitem.event(10));

In a web application this is typically the case when the user triggers a workflow action button (generated by the events from the models). To test this behaviour try out the Imixs-Process-Manager app.

The only exceptions are:

• timer events - the workflow engine monitors a process instance until a specific due date is reached (this is used e.g. for escalation)
• async events - the workflow engine will trigger a event asynchronous after a defined time delay