| gvSIG desktop 1

/*

 *    GeoTools - OpenSource mapping toolkit

 *    http://geotools.org

 *    (C) 2006, GeoTools Project Managment Committee (PMC)

 *        

 *    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;

 *    version 2.1 of the License.

 *

 *    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.

 */

package org.gvsig.data.vectorial.filter;

import org.opengis.filter.FilterFactory;

import org.opengis.filter.FilterVisitor;

import org.opengis.filter.PropertyIsLessThan;

import org.opengis.filter.expression.Expression;

/**

 * @author jdeolive

 */

public class IsLessThenImpl extends BinaryComparisonAbstract implements

                PropertyIsLessThan {

        protected IsLessThenImpl(Expression expression1, Expression expression2) {

                super(expression1, expression2);

        }

        //@Override

        public boolean evaluate(Object feature) {

//                Object[] values = eval( feature );

//                Comparable value1 = comparable( values[ 0 ] );

//                Comparable value2 = comparable( values[ 1 ] );

                Comparable value1 = comparable( expression1.evaluate(feature) );

                Comparable value2 = comparable( expression2.evaluate(feature) );

                return value1 != null && value2 != null && compare(value1,value2) < 0;

        }

        public Object accept(FilterVisitor visitor, Object extraData) {

                return visitor.visit(this,extraData);

        }

}