/*
* 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.Filter;
import org.opengis.filter.FilterVisitor;
import org.opengis.filter.Not;
/**
* @author jdeolive
*
* @source $URL$
*/
public class NotImpl extends LogicFilterImpl implements Not {
protected NotImpl(org.opengis.filter.FilterFactory factory) {
super(factory);
//backwards compatability with old type system
filterType = LOGIC_NOT;
}
protected NotImpl(org.opengis.filter.FilterFactory factory, Filter filter) {
super(factory);
this.children.add(filter);
//backwards compatability with old type system
filterType = LOGIC_NOT;
}
public Filter getFilter() {
return (Filter)children.get(0);
}
public void setFilter(Filter filter) {
if (children.isEmpty()) {
children.add(filter);
}
else {
children.set(0,filter);
}
}
//@Override
public boolean evaluate(Object feature) {
return !getFilter().evaluate(feature);
}
public Object accept(FilterVisitor visitor, Object extraData) {
return visitor.visit(this,extraData);
}
}