/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.databinding; /** * Utility class for managing ObservableMap callbacks. */ public class MapChangeRegistry extends CallbackRegistry<ObservableMap.OnMapChangedCallback, ObservableMap, Object> { private static NotifierCallback<ObservableMap.OnMapChangedCallback, ObservableMap, Object> NOTIFIER_CALLBACK = new NotifierCallback<ObservableMap.OnMapChangedCallback, ObservableMap, Object>() { @Override public void onNotifyCallback(ObservableMap.OnMapChangedCallback callback, ObservableMap sender, int arg, Object arg2) { callback.onMapChanged(sender, arg2); } }; public MapChangeRegistry() { super(NOTIFIER_CALLBACK); } /** * Notifies registered callbacks that an element has been added, removed, or changed. * * @param sender The map that has changed. * @param key The key of the element that changed. */ public void notifyChange(ObservableMap sender, Object key) { notifyCallbacks(sender, 0, key); } }