BusListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 ro.nextreports.designer.ui.eventbus;

import java.util.EventObject;

/**
 * The BusListener is used to allow application to respond to and handle
 * errors or provide instrumentation with processing events in any
 * way possible.
 *
 * @author Decebal Suiu
 */
public interface BusListener {

	/**
	 * Inform the listener that an event was published.
	 *
	 * @param event
	 *            The event that was published.
	 */
	public void eventPublished(EventObject event);

	/**
	 * Inform the listener that a problem happened.
	 *
	 * @param event
	 *            The event that caused the problem
	 * @param e
	 *            The exception caught by the system
	 */
	public void eventError(EventObject event, Exception e);

}