/*
* 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;
}
}
}