/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2008, Open Source Geospatial Foundation (OSGeo)
*
* 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.geotools.filter;
import org.opengis.filter.FilterVisitor;
import org.opengis.filter.PropertyIsGreaterThan;
import org.opengis.filter.expression.Expression;
/**
* @author jdeolive
*
* @source $URL$
*/
public class IsGreaterThanImpl extends CompareFilterImpl implements PropertyIsGreaterThan {
protected IsGreaterThanImpl(org.opengis.filter.FilterFactory factory) {
this(factory,null,null);
}
protected IsGreaterThanImpl(org.opengis.filter.FilterFactory factory, Expression expression1, Expression expression2) {
super(factory, expression1, expression2);
//backwards compat with old type system
this.filterType = COMPARE_GREATER_THAN;
}
//@Override
public boolean evaluate(Object feature) {
Object[] values = eval( feature );
Comparable value1 = comparable( values[0] );
Comparable value2 = comparable( values[1] );
return value1 != null && value2 != null && compare(value1,value2) > 0;
}
public Object accept(FilterVisitor visitor, Object extraData) {
return visitor.visit(this,extraData);
}
}