/**
* Copyright (c) 2010-2013 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.gis.spatial.pipes.filtering;
import org.geotools.data.neo4j.Neo4jFeatureBuilder;
import org.geotools.filter.text.cql2.CQLException;
import org.geotools.filter.text.ecql.ECQL;
import org.neo4j.gis.spatial.Layer;
import org.neo4j.gis.spatial.pipes.AbstractFilterGeoPipe;
import org.neo4j.gis.spatial.pipes.GeoPipeFlow;
import org.opengis.feature.simple.SimpleFeature;
/**
* Filter geometries using a CQL query.
*/
public class FilterCQL extends AbstractFilterGeoPipe {
private Neo4jFeatureBuilder featureBuilder;
private org.opengis.filter.Filter filter;
public FilterCQL(Layer layer, String cqlPredicate) throws CQLException {
this.featureBuilder = new Neo4jFeatureBuilder(layer);
this.filter = ECQL.toFilter(cqlPredicate);
}
@Override
protected boolean validate(GeoPipeFlow flow) {
SimpleFeature feature = featureBuilder.buildFeature(flow.getRecord());
return filter.evaluate(feature);
}
}