How to use

addUnlockListener

method

in

com.effektif.workflow.impl.workflowinstance.WorkflowInstanceImpl

 @Override
 public void execute(ActivityInstanceImpl activityInstance) {
  // Notifications should only be sent out after the workflow instance 
  // is unlocked.
  activityInstance.workflowInstance.addUnlockListener(new Listener(activityInstance));
  // ListeningActivityImpl is typically a wait state
 }
}