/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.jgrasstools.gears.libs.modules;
import java.util.Comparator;
/**
* A simple comparator to sort {@link GridNode}s left to right order.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class GridNodePositionComparator implements Comparator<GridNode> {
@Override
public int compare( GridNode o1, GridNode o2 ) {
if (o1.col == o2.col && o1.row == o2.row) {
return 0;
} else if (o1.col < o2.col) {
return -1;
} else {
return 1;
}
}
}