org.jgrapht.experimental.equivalence.UniformEquivalenceComparator Maven / Gradle / Ivy
Go to download
JGraphT is a free Java graph library
that provides mathematical graph-theory objects and algorithms
The newest version!
/* ==========================================
* JGraphT : a free Java graph-theory library
* ==========================================
*
* Project Info: http://jgrapht.sourceforge.net/
* Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
*
* (C) Copyright 2003-2007, by Barak Naveh and Contributors.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/* -----------------
* UniformEquivalenceComparator.java
* -----------------
* (C) Copyright 2005-2007, by Assaf Lehr and Contributors.
*
* Original Author: Assaf Lehr
* Contributor(s): -
*
* $Id: UniformEquivalenceComparator.java 568 2007-09-30 00:12:18Z perfecthash $
*
* Changes
* -------
*/
package org.jgrapht.experimental.equivalence;
/**
* This Equivalence comparator acts as if all elements are in one big global
* equivalence class. Useful when a comparator is needed, but there is no
* important difference between the elements. equivalenceCompare() always return
* true; equivalenceHashcode() always returns 0.
*
* @author Assaf
* @since Jul 21, 2005
*/
public class UniformEquivalenceComparator
implements EquivalenceComparator
{
//~ Methods ----------------------------------------------------------------
/**
* Always returns true.
*
* @see EquivalenceComparator#equivalenceCompare(Object, Object, Object,
* Object)
*/
public boolean equivalenceCompare(
E arg1,
E arg2,
C context1,
C context2)
{
return true;
}
/**
* Always returns 0.
*
* @see EquivalenceComparator#equivalenceHashcode(Object, Object)
*/
public int equivalenceHashcode(E arg1, C context)
{
return 0;
}
}
// End UniformEquivalenceComparator.java