Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/sequence2/diagram/FigMessageComparator.java
// $Id: FigMessageComparator.java 16381 2008-12-19 15:37:46Z bobtarling $
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package org.argouml.sequence2.diagram;

import java.util.Comparator;

/**
 * Compares two figmessages. 
 * The bigger one is that which Y start is lowest.
 * @author penyaskito
 */
class FigMessageComparator implements Comparator<FigMessage> {

    /**
     * @param m1 The first FigMessage
     * @param m2 The second one
     * @return x > 0, if m1.y < m2.y
     *         x < 0, if m1.y > m2.y
     *         x = 0, if m1.y = m2.y
     * @see java.util.Comparator#compare
     */
    public int compare(FigMessage m1, FigMessage m2) {
        int result = 0;
        if (m1.getFinalY() < m2.getFinalY()) {
            result = -1;
        }
        else if (m1.getFinalY() > m2.getFinalY()) {
            result = 1;
        }
        return result;
    }

}
