public void notify(DelegateTask task) {
   ExecutionEntity execution = ((TaskEntity) task).getExecution();
   if (execution != null) {
     HistoricActivityInstanceEntity historicActivityInstance =
         ActivityInstanceEndHandler.findActivityInstance(execution);
     historicActivityInstance.setAssignee(task.getAssignee());
   }
 }
 public void notify(final DelegateTask delegateTask) {
   Guards.dispatch(this, delegateTask.getEventName(), delegateTask.getExecution());
 }