/*
*
* SchemaCrawler
* http://sourceforge.net/projects/schemacrawler
* Copyright (c) 2000-2014, Sualeh Fatehi.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
package schemacrawler.utility;
import java.util.Iterator;
import java.util.List;
public class CompareUtility
{
public static <T extends Comparable<? super T>> int compareLists(final List<? extends T> list1,
final List<? extends T> list2)
{
if (list1 == null)
{
return -1;
}
if (list2 == null)
{
return 1;
}
int comparison = list1.size() - list2.size();
if (comparison == 0)
{
final Iterator<? extends T> iter1 = list1.iterator();
final Iterator<? extends T> iter2 = list2.iterator();
while (comparison == 0 && iter1.hasNext() && iter2.hasNext())
{
final T object1 = iter1.next();
final T object2 = iter2.next();
comparison = object1.compareTo(object2);
}
}
return comparison;
}
private CompareUtility()
{
}
}