Case instance - are new caseExecutions generated when repetitionRule changes

Camunda 7 Topics Discussion & Questions
1

We have a running caseInstance where the repetition rule for a case task (manual start) is set to “complete”, meaning that no other instance of that task can be started until the predecessor is completed. So far, so good.

Now the behavior changes, we want to allow multiple instances of that case task, we set the repetition rule to “startManually”, so we can start as many new tasks as we like via caseService.manuallyStartCaseExecution. Working fine.

But the question is:

when we migrate existing case instances (started with rule set to “complete”) to the latest revision of our case … will we have the follow up case execution in state “enabled” that we need to start a second task? Or will that only appear once the already running task was completed?

How does the camunda cmmn engine deal with changes of repetition rules?

Thank you

Jan

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2

I can answer my own question: the engine doesn’t care.

When the task was created with repetitionb rule “complete”, no follow up execution in state “enabled” is created and that does not change when we migrate the case instance.
What we did is manually create the execution via

CaseInstance#createChildExecutions and CaseInstance#triggerChildExecutionsLifecycle

now it seems to work

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