Instance newInstance = (Instance)instance.copy(); getInputFormat().add(instance); return false;
if (isFirstBatchDone()) { push(instance); return true; } else { bufferInput(instance); return false; }
  public boolean input(Instance instance) throws Exception {    // check if input format is defined    if (getInputFormat() == null) {      throw new Exception("No input instance format defined");    }        if (m_NewBatch) {      resetQueue();      m_NewBatch = false;    }    // make new instance    Instance newInstance = (Instance)instance.copy();    getInputFormat().add(instance);    return false;  }