Nested ActivityImpl, connection to a BPMN 2.0 Element

[cocojack42]

Hello,
I'm reading the Book "Activiti in Action". There is a point in Figure 1.2 (Activiti State Machine) where I'm not able to apply on a use case.

[img]https://www.dropbox.com/s/v5f25puo6ecz1wr/Unbenannt.png?dl=1[/img]

The logic of a BPMN Element is realized in a ActivityBehaviour Elements. Do JavaDelegates belong to the Behavior too (when I get forced to guess, I'd say a ServiceTask, witch implements ActivitiBehaviour calls them)?

What is the connection between a nested state to a BPMN 2.0 Element?

I hope my questions aren't too confusing.
Greetings Coco.

[trademak]

Yes a JavaDelegate will be executed by an ActivityBehaviour as well.
A nested state could be a sub process for example.

Best regards,