/* This copyrighted source code is freely distributed under the terms
 * of the GNU General Public License. 
 *
 * See LICENSE for details.
 *
 * Copyrights (C) 2003-7 University of Ottawa, D. Cernea and M. Turcotte
 *
 * Contact: turcotte@site.uottawa.ca
 */

/**
 * Holds the coordinates of this leaf can have more than one set of
 * coordinates, since this suffix can be suffix to more than one
 * string.
 */

final class SuffixCoordinates {

    /**
     * the position of the suffix associated with this leaf node
     * Note that the position is calculated relatively to the first char of the
     * first string added to the tree
     */

    private final int position;

    /**
     * the next coordinate object
     */

    private SuffixCoordinates nextCoordinates;

    /**
     * @stereotype constructor 
     */

    SuffixCoordinates(int position, SuffixCoordinates nextCoordinates) {
        this.position = position;
        this.nextCoordinates = nextCoordinates;
    }

    /**
     * returns the position of the suffix
     */

    public final int getPosition() {
        return position;
    }

    /**
     * returns the next coordinate object
     */

    public final SuffixCoordinates getNext() {
        return nextCoordinates;
    }

    public String toString() {

        if (nextCoordinates == null)
            return Integer.toString(position);
        else
            return position + ", " + nextCoordinates.toString();
    }

}