source: branches/ralph/src/main/java/de/ugoe/cs/autoquest/tasktrees/alignment/pal/util/Comparable.java @ 1573

// Comparable.java
//
// (c) 1999-2001 PAL Development Core Team
//
// This package may be distributed under the
// terms of the Lesser GNU General Public License (LGPL)

package de.ugoe.cs.autoquest.tasktrees.alignment.pal.util;

/**
 * interface for an object that is comparable.
 * This interface is analogous to the Comparable interface in
 * Java 1.2, and it should be superceded by the JDK 1.2 collections
 * framework when PAL is moved to 1.2.
 *
 * @version $Id: Comparable.java,v 1.2 2001/07/13 14:39:13 korbinian Exp $
 *
 * @author Alexei Drummond
 */
public interface Comparable
{
        /**
         * Returns a number representing the ordering relationship that
         * the object has with the given object.
         * A negative number indicates that the object is "smaller" than
         * the parameter, a positive number means it is "larger" and zero
         * indicates that the objects are equal.
         */
        int compareTo(Object o);

        /**
         * Returns true if this object is equal to the given object.
         */
        boolean equals(Object o);
}