shouldRefresh method

@override bool shouldRefresh()

Implementation

@override
bool shouldRefresh() {
  if (_oldData != null) {
    T clone = selectWith();
    bool same = _oldData == clone;
    if (!same) {
      _oldData = clone;
    }
    return !same;
  }
  _oldData = selectWith();
  return super.shouldRefresh();
}