2 * Copyright 2005 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.
17 package org.wamblee.observer;
20 * This is a type-safe version of {@link java.util.Observable}.
22 public interface Observer<ObservableType, Event> {
25 * Called when an event has occurred on the observable.
26 * @param aObservable Observable.
27 * @param aEvent Event.
29 void send(ObservableType aObservable, Event aEvent);