package org.gudy.azureus2.core3.predicate;
/*
* Created on 5-Mar-2005
* Created by James Yeh
* Copyright (C) 2004-2005 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
/**
* A NotPredicate decorates an existing Predicable to return the negative result of the evaluation
* @version 1.0
*/
public final class NotPredicate implements Predicable
{
private Predicable ref;
/**
* Creates a NotPredicate
* @param toEvaluate A predicable to evaluate the "Not" from
*/
public NotPredicate(Predicable toEvaluate)
{
this.ref = toEvaluate;
}
/**
* {@inheritDoc}
*/
public boolean evaluate(Object obj)
{
return !ref.evaluate(obj);
}
}
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