SimpleCounter.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library 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 Lesser General Public License for more
 * details.
 */

package com.liferay.util;

/**
 * @author Brian Wing Shun Chan
 */
public class SimpleCounter {

	public SimpleCounter() {
		this(_DEFAULT_COUNTER);
	}

	public SimpleCounter(long counter) {
		_counter = counter;
	}

	public synchronized long get() {
		return _counter++;
	}

	public String getString() {
		return String.valueOf(get());
	}

	private static final long _DEFAULT_COUNTER = 1;

	private long _counter;

}