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• Observer.java

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org.wamblee.observer.Observer Maven / Gradle / Ivy

/*
 * Copyright 2005-2010 the original author or authors.
 * 
 * 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 org.wamblee.observer;

/**
 * This is a type-safe version of {@link java.util.Observable}.
 * 
 * @author Erik Brakkee
 */
public interface Observer {
    /**
     * Called when an event has occurred on the observable.
     * 
     * @param aObservable
     *            Observable.
     * @param aEvent
     *            Event.
     */
    void send(ObservableType aObservable, Event aEvent);
}