User development,
A new message was posted in the thread "Create process instance without starting
it":
http://community.jboss.org/message/528911#528911
Author : M M
Profile :
http://community.jboss.org/people/gubespam
Message:
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My system allows an outside client to trigger the start of a process instance, using the
latest version of the process definition. I have three requirements:1. Emit a
notification whenever I start a new process instance ("start"); that
notification must include the effective version (ie. the process definition version used
to create the process instance).
2. Emit a notification whenever I reach a certain custom activity (this gets handled by
code in the custom activity itself)
3. The start notification must occur before the custom activity notification.
It appears that the easy way would be to simply use
executionService.startProcessInstanceByKey, use the returned ProcessInstance reference to
determine the effective version, and then emit the start notification.
However, if I do that, the start notification will only get emitted after I've reached
a wait state, which is guaranteed to be after the custom activity executes. This breaks
requirement #3 above.
If, on the other hand, I can create a process instance without starting it, I can:
1. create the process instance, and from that reference, determine the effective version
2. emit the start notification, including the version determined above
3. start the process instance; when I reach the custom activity, emit the custom activity
notification.
So, does that make sense? I had trouble clearly explaining this.
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