be.ugent.intec.halvade.hadoop.partitioners.SimpleChrRegionComparator.java Source code

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Here is the source code for be.ugent.intec.halvade.hadoop.partitioners.SimpleChrRegionComparator.java

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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 SimpleChrRegionComparator extends WritableComparator {
    protected SimpleChrRegionComparator() {
        super(ChromosomeRegion.class, true);
    }

    @Override
    public int compare(WritableComparable a, WritableComparable b) {
        ChromosomeRegion r1 = (ChromosomeRegion) a;
        ChromosomeRegion r2 = (ChromosomeRegion) b;
        if (r1.getChromosome() == r2.getChromosome())
            return r1.getPosition() - r2.getPosition();
        else
            return r1.getChromosome() - r2.getChromosome();
    }
}