wf.setAllocationResultAggregator (new UTILAllocationResultAggregator());
  private Workflow makeEmptyWorkflow(Task t) {    NewWorkflow wf = ldmf.newWorkflow();    wf.setParentTask(t);    ((NewTask)t).setWorkflow(wf);    wf.setAllocationResultAggregator (new UTILAllocationResultAggregator());    return wf;  }