/* * Copyright 2010 kk-electronic a/s. * * This file is part of KKPortal. * * KKPortal 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 3 of the License, or * (at your option) any later version. * * KKPortal 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. * * You should have received a copy of the GNU Lesser General Public License * along with KKPortal. If not, see <http://www.gnu.org/licenses/>. * */ package com.kk_electronic.kkportal.core.util; /** * @author Jes Andersen * */ public class Range<T extends Comparable<T>> implements Cloneable { public T begin; public T end; public Range() { } public Range(T begin, T end) { this.begin = begin; this.end = end; } public boolean isBounded() { return begin != null && end != null; } public boolean contains(Range<T> range){ if (!isBounded()){ return false; } if (range.begin.compareTo(begin) < 0){ return false; } if (range.end.compareTo(end) > 0){ return false; } return true; } public Range<T> clone() { return new Range<T>(begin, end); } /** * @param range */ public void extend(Range<T> range) { if(range.begin != null && (begin == null || range.begin.compareTo(begin) < 0)){ begin = range.begin; } if(range.end != null && (end == null || range.end.compareTo(end) > 0)){ end = range.end; } } }