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Activities: different Data Objects

Depending on conditions one task shall process different Data Objects. As the case may be the according Data Object is associated.

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Last edited by Markus Güntert on Sept. 17, 2009, 7:05 p.m.

make a good practice proposal make a bad practice proposal

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Good one Task, two Data Objects (abstract semantics)
one Task, two Data Objects (abstract semantics)

So, What execution semantics could be assigned to this situation?
1 ) The task creates/changes value/state of both A and B?
2 ) The task creates/changes non-deterministically either A or B?

It is obvious that the selection between the two options above is totally objective. BPMN would need mode modeling constructs if it would clearly distinguish the two situations

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Good explicit Branch for determination
explicit Branch for determination

It is possible to explicitly branch control flow and model separate Activities for each Data Objects.

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Good Subprocess for determination
Subprocess for determination

An elegant solution for this problem would be the usage of a Subprocess. The Subprocess determines which Data Object to use, output of the Subprocess would be the according Data Object.

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