/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2001 Sun
 * Microsystems, Inc. All Rights Reserved.
 */
package org.netbeans.modules.javacore.parser;

/**
 *
 * @author  mm109185
 */
interface Measure {
    /** Value representing infinite distance - any distance value equal
     * or greater than this is represented as infinite (i.e. indicates
     * that the compared objects are distinct).
     */
    public int INFINITE_DISTANCE = 1000;
    
    /** Compares two objects and returns 
     * distance between them (value expressing how big the difference between
     * them is).
     * @param first First object to be compared.
     * @param second Second object to be compared.
     * @return Distance between compared objects (0 = objects perfectly match,
     * INFINITE_DISTANCE = objects are completely different)
     */
    public int getDistance(Object first, Object second);
}