001 /** 002 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 003 * 004 * The contents of this file are subject to the terms of the Liferay Enterprise 005 * Subscription License ("License"). You may not use this file except in 006 * compliance with the License. You can obtain a copy of the License by 007 * contacting Liferay, Inc. See the License for the specific language governing 008 * permissions and limitations under the License, including but not limited to 009 * distribution rights of the Software. 010 * 011 * 012 * 013 */ 014 015 package com.liferay.portal.kernel.increment; 016 017 /** 018 * @author Zsolt Berentey 019 */ 020 public interface Increment<T> { 021 022 public void decrease(T delta); 023 024 public Increment<T> decreaseForNew(T delta); 025 026 public T getValue(); 027 028 public void increase(T delta); 029 030 public Increment<T> increaseForNew(T delta); 031 032 public void setValue(T value); 033 034 }