ValueSetAttribute.java 文件源码

public ValueSetAttribute(Class<T> itemType) {
    super(null);
    this.itemType = itemType;
    final ObservableSet<T> observableSet = FXCollections.observableSet(new HashSet<>());
    value= observableSet;

    observableSet.addListener((SetChangeListener<T>) change -> {
        updateListeners(get());
    });
}