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Re: Trying to set ActorId in On Entry Action - work item is null
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created by <a href="https://community.jboss.org/people/swiderski.maciej">Maciej Swiderski</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/648930#648930">View the full discussion</a>
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<div class="jive-rendered-content"><p>Agree, I used to many terms that could make the solution bit fuzzy.... let me put it here:</p><ul><li style="text-align: start;">node is a definition of a particular logic in the process (bpmn)</li><li style="text-align: start;">node instance is a runtime element of process instance build based on node</li><li style="text-align: start;">task is a special representation of a node</li><li style="text-align: start;">task instance is an instance created based on task and maintained by Task Server that has its life cycle as defined in WS-HumanTask spec</li><li style="text-align: start;">actor id is a potential owner defined in bpmn - as potential owner is kept as ActorId in work item properties</li><li style="text-align: start;">group id that is rather self explanatory</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">With that in mind, when Task A is entered it creates task instance A (based on Task A), when it is completed engine creates task instance B (based on task B), assuming that approver rejects the task instance A outcome, it will create task instance C (based on Task A), meaning worker that completed task instance A will work on brand new task instance.</p><p style="text-align: start;">What I suggested was that instead of going back to Task A (and create task instance based on it for rework) add new Task C that will be dedicated to rework. In general it does not change much in the concept, it simplifies user assignment as it differs based on the process state. Task A and Task B assign users based on groups and task C assigns individual who completed Task A (instances of those tasks).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">Regarding assignments, yes, you can use process variables to assign users, #{variable}, take a look at the example from my previous post where group id is assigned based on process variable. So that would mean following:</p><ul><li style="text-align: start;">Task A assigns users based on group with #{worker-group} process variable</li><li style="text-align: start;">Task B assigns users based on group with #{approvers} process variable</li><li style="text-align: start;">Task C assigns user based on potential owner with process variable #{TaskA-actualOwner}</li></ul><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">Does that sound suitable for your case?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">Hope this time I cleared some things ....</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="text-align: start;">Cheers</p></div>
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