CompositeChangeToken constructor

CompositeChangeToken(
  1. List<ChangeToken> changeTokens
)

Implementation

CompositeChangeToken(List<ChangeToken> changeTokens)
    : _changeTokens = changeTokens,
      _registeredCallbackProxy = false {
  for (var i = 0; i < _changeTokens.length; i++) {
    if (_changeTokens[i].activeChangeCallbacks) {
      _activeChangeCallbacks = true;
      return;
    }
  }
  _activeChangeCallbacks = false;
}