// PathVisio,
// a tool for data visualization and analysis using Biological Pathways
// Copyright 2006-2011 BiGCaT Bioinformatics
//
// 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.pathvisio.core.preferences;

/**
 * This event notifies listeners of changes to preferences set via the PreferenceManager.
 *
 * @author Mark Woon
 */
public class PreferenceEvent {
	private Preference preference;


	public PreferenceEvent(Preference pref) {
		if (pref == null) {
			throw new IllegalArgumentException("preference cannot be null");
		}
		preference = pref;
	}


	public boolean isModified(Preference pref) {
		return preference == pref;
	}
}