Java tutorial
/* * Copyright (C) 2014 ddecap * * This program 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 be.ugent.intec.halvade.hadoop.partitioners; import be.ugent.intec.halvade.hadoop.datatypes.ChromosomeRegion; import org.apache.hadoop.io.WritableComparable; import org.apache.hadoop.io.WritableComparator; /** * * @author ddecap */ public class ChrRgGroupingComparator extends WritableComparator { protected ChrRgGroupingComparator() { super(ChromosomeRegion.class, true); } @Override public int compare(WritableComparable a, WritableComparable b) { ChromosomeRegion r1 = (ChromosomeRegion) a; ChromosomeRegion r2 = (ChromosomeRegion) b; return r1.getReduceNumber() - r2.getReduceNumber(); } }