ExperimentSpotDesignReadSpecComparator.java

package net.sourceforge.seqware.common.model.comparator;

import java.util.Comparator;
import net.sourceforge.seqware.common.model.ExperimentSpotDesignReadSpec;

/**
 * <p>
 * ExperimentSpotDesignReadSpecComparator class.
 * </p>
 * 
 * @author boconnor
 * @version $Id: $Id
 */
public class ExperimentSpotDesignReadSpecComparator implements Comparator<ExperimentSpotDesignReadSpec> {

    /** {@inheritDoc} */
    @Override
    public int compare(ExperimentSpotDesignReadSpec o1, ExperimentSpotDesignReadSpec o2) {
        if (o1 != null && o2 != null && o1.getReadIndex() != null && o2.getReadIndex() != null) {
            return o1.getReadIndex().compareTo(o2.getReadIndex());
        }
        if (o1 != null && o2 != null) {
            return o1.compareTo(o2);
        }

        return 0;
    }

}