addRelation method

  1. @override
void addRelation(
  1. Relation relation, {
  2. bool replaceIfExists = true,
})
override

Add a new relation to the graph

Implementation

@override
void addRelation(Relation relation, {bool replaceIfExists = true}) {
  if (!replaceIfExists && relationExists(relation.id)) {
    return;
  }
  if (replaceIfExists) {
    removeRelation(relation.id);
  }
  _relations.add(relation);
}