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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/jemmerling">jemmerling</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/648746#648746">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am trying to implement an On Entry Action to set the ActorId for a work item.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>More generally, what I am trying to do is to assign a task to a specific actor under certain circumstances. In the process definition, the ActorId is empty for the node however GroupId is specified. So ordinarily, some member of a group will claim the task, however given a certain condition, I want the task to be assigned to a specific actor.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>This is probably the wrong way to do it, but I hope I am close.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So I implemented this On Entry Action, I can access the node instance but there is no work item (as opposed to the situation encountered in an On Exit Action):</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">System.out.println("* * * * * * * * * manager: " + manager + " * * * * * * * * * * * * * * * * ");</span></p><p><span style="font-family: courier new,courier;">if (manager != null)</span><br/><span style="font-family: courier new,courier;">{</span><br/><span style="font-family: courier new,courier;"> System.out.println("* * * * * * * * * setting ActorId to " + manager + " * * * * * * * * * * * * * * * * ");</span><br/><span style="font-family: courier new,courier;"> WorkItemNodeInstance nodeInstance = (WorkItemNodeInstance)kcontext.getNodeInstance();</span><br/><span style="font-family: courier new,courier;"> if (nodeInstance != null)</span><br/><span style="font-family: courier new,courier;"> {</span><br/><span style="font-family: courier new,courier;">  WorkItem workItem = nodeInstance.getWorkItem();</span><br/><span style="font-family: courier new,courier;">  if (workItem != null)</span><br/><span style="font-family: courier new,courier;">  {</span><br/><span style="font-family: courier new,courier;">   System.out.println("* * * * * * * * * about to set ActorId to " + manager + " * * * * * * * * * * * * * * * * ");</span><br/><span style="font-family: courier new,courier;">   workItem.setParameter("ActorId", manager);</span><br/><span style="font-family: courier new,courier;">   String actorId = (String) workItem.getParameter("ActorId");</span><br/><span style="font-family: courier new,courier;">   System.out.println("* * * * * * * * * ActorId was set to " + actorId + " * * * * * * * * * * * * * * * * ");</span><br/><span style="font-family: courier new,courier;">  }</span><br/><span style="font-family: courier new,courier;">  else</span><br/><span style="font-family: courier new,courier;">  {</span><br/><span style="font-family: courier new,courier;">   System.out.println("* * * * * * * * * workItem was null * * * * * * * * * * * * * * * * ");</span><br/><span style="font-family: courier new,courier;">  }</span><br/><span style="font-family: courier new,courier;"> }</span><br/><span style="font-family: courier new,courier;"> else</span><br/><span style="font-family: courier new,courier;"> {</span><br/><span style="font-family: courier new,courier;">  System.out.println("* * * * * * * * * nodeInstance was null * * * * * * * * * * * * * * * * ");</span><br/><span style="font-family: courier new,courier;"> }</span><br/><span style="font-family: courier new,courier;">}</span><br/><span style="font-family: courier new,courier;">else</span><br/><span style="font-family: courier new,courier;">{</span><br/><span style="font-family: courier new,courier;"> System.out.println("NOT setting ActorId");</span><br/><span style="font-family: courier new,courier;">}</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Here is what is written to stdout:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-family: courier new,courier;">* * * * * * * * * manager: pmanager2 * * * * * * * * * * * * * * * *</span></p><p><span style="font-family: courier new,courier;">* * * * * * * * * setting ActorId to pmanager2 * * * * * * * * * * * * * * * *</span></p><p><span style="font-family: courier new,courier;">* * * * * * * * * workItem was null * * * * * * * * * * * * * * * *</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Can anybody see what I am trying to do and tell me what is the correct approach?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>--JE</p></div>
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