2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.observer;
19 * Implementation of notification of subscribers.
21 * @author Erik Brakkee
23 public interface ObserverNotifier<ObservableType, Event> {
25 * Notifies an observer.
30 * Observable at which the event occured.
34 void update(Observer<ObservableType, Event> aObserver,
35 ObservableType aObservable, Event aEvent);