/*
 * StringSearchKey.java - A simple search key based on Strings.
 *
 * Copyright (c) 1996 Chuck McManis, All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies.
 *
 * CHUCK MCMANIS MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE
 * SUITABILITY OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. CHUCK MCMANIS
 * SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT
 * OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */

/**
 * This simple search key is implemented with String objects.
 */
class StringSearchKey implements SearchKey {
    private String value;

    StringSearchKey(String s) {
        value = s;
    }

    public int compareKey(SearchKey k) {
        if (! (k instanceof StringSearchKey)) {
            throw new RuntimeException("Incompatible key comparison.");
        }
        return value.compareTo(((StringSearchKey) k).value);
    }

    public boolean equalKey(SearchKey k) {
        if (! (k instanceof StringSearchKey)) {
            throw new RuntimeException("Incompatible key comparison.");
        }
        return value.equals(((StringSearchKey) k).value);
    }
}