private ObservableMap<URI, Object> getHeapIdMap() { if (_HeapIdMap == null) { _HeapIdMap = Observables.observableMap(new HashMap<URI, Object>()); } return _HeapIdMap; };
private ObservableMap<Integer, Model> getHashCodeMap() { if (_HashCodeMap == null) { _HashCodeMap = Observables.observableMap(new HashMap<Integer, Model>()); } return _HashCodeMap; }