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What should be result of activiti:out in MultiInstance CallActiviti

Question asked by smirzai on Jun 26, 2014
Latest reply on Jun 26, 2014 by trademak
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here is the scenario:
There is a MultiInstance CallActiviti, which contains activiti:out output variables. Then CallActivity may be called several times. The question is which output should be put to output variables.

There are 3 thinkable solutions:

1. Return the value from the last execution.
2. Do not accept the model and throw exception before execution, when parsing.
3. For each variable, instead of the mentioned variable, return a collection of variable in different executions.

Right now the engine is silent and just ignores the out variables. I think this could be enhanced.