[jbpm-dev] [jBPM Development] - is async execution considered inactive?

[mwohlf]

Hi guys,

I have a (pretty hackish) process definition with custom task activities implemented as java classes, these activities basically just create a default task, the relevant part of the process definition looks like this:

   
  | <custom class="net.package.CustomTaskActivity" name="custom01">
  |   <on continue="async" event="forward">
  |     <mail class="net.package.CustomMailProducer" >
  |        <field name="tmplName"><string value="templatename"/></field>
  |     </mail>
  |   </on>
  | 
  |   <transition name="forward" to="custom01"/>
  |   <transition name="toCreateBusinessKey" to="custom02"/>
  | </custom>
  | 

the forward transition is supposed to be a loop just creating the same task activity for a different user, this is handled in a custom task implementation.

The Problem is when i take the "forward" transition I get an exception telling me the Execution is not active:

  | org.jbpm.api.JbpmException: execution[ChangeRequest.15] is not active: async
  | 	at org.jbpm.pvm.internal.model.ExecutionImpl.checkActive(ExecutionImpl.java:999)
  | 	at org.jbpm.pvm.internal.model.ExecutionImpl.take(ExecutionImpl.java:447)
  | 	at org.jbpm.jpdl.internal.activity.TaskActivity.signal(TaskActivity.java:140)

I checked the code and according to my understanding it all boils down to the implementation of the ScopedInstanceImpl.isActive() method:

  public boolean isActive() {
  |     return Execution.STATE_ACTIVE_ROOT.equals(state)
  |            || Execution.STATE_ACTIVE_CONCURRENT.equals(state);
  |   }
  | 

My question is: Why isn't there a check for Execution.STATE_ASYNC? Is an async continuation considered to be not active?

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