001
002
003package org.biojava.utils;
004
005/**
006 * Class that represents the tristate values possible in
007 * a logical operation: true, false and indeterminate.
008 *
009 * @author David Huen
010 */
011public final class TriState
012{
013    public static final TriState TRUE = new TriState("TRUE");
014    public static final TriState FALSE = new TriState("FALSE");
015    public static final TriState INDETERMINATE = new TriState("INDETERMINATE");
016
017
018    private TriState(String description)
019    {
020    }
021}
022