RuntimeElement.java

/*
 * JAME 6.2.1
 * http://jame.sourceforge.net
 *
 * Copyright 2001, 2016 Andrea Medeghini
 *
 * This file is part of JAME.
 *
 * JAME is an application for creating fractals and other graphics artifacts.
 *
 * JAME is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JAME is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with JAME.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package net.sf.jame.core.config;

/**
 * Runtime element.
 * 
 * @author Andrea Medeghini
 */
public abstract class RuntimeElement {
	private int changeCount;

	/**
	 * @see java.lang.Object#finalize()
	 */
	@Override
	protected void finalize() throws Throwable {
		dispose();
		super.finalize();
	}

	/**
	 * Increments the change counter.
	 */
	public void fireChanged() {
		changeCount += 1;
	}

	/**
	 * @return
	 */
	public int changeCount() {
		return changeCount;
	}

	/**
	 * Tests and resets the change counter.
	 * 
	 * @return true if the change counter is greater than 0.
	 */
	public boolean isChanged() {
		final int count = changeCount;
		changeCount = 0;
		return count > 0;
	}

	/**
	 * Disposes the element resources. The default implementation does nothing.
	 */
	public void dispose() {
	}
}