/**
* H2GIS is a library that brings spatial support to the H2 Database Engine
* <http://www.h2database.com>. H2GIS is developed by CNRS
* <http://www.cnrs.fr/>.
*
* This code is part of the H2GIS project. H2GIS 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 3.0 of the License.
*
* H2GIS 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 <http://www.gnu.org/licenses/>.
*
*
* For more information, please consult: <http://www.h2gis.org/>
* or contact directly: info_at_h2gis.org
*/
package org.h2gis.functions.spatial.properties;
import org.h2gis.api.DeterministicScalarFunction;
import org.h2gis.utilities.jts_utils.GeometryMetaData;
import java.io.IOException;
/**
* Returns the OGC SFS {@link org.h2gis.utilities.GeometryTypeCodes} of a Geometry. This function does not take account of Z nor M.
* This function is not part of SFS; see {@link org.h2gis.functions.spatial.properties.ST_GeometryType}
* It is used in constraints.
* @author Nicolas Fortin
*/
public class ST_GeometryTypeCode extends DeterministicScalarFunction {
public ST_GeometryTypeCode() {
addProperty(PROP_REMARKS, "Returns the OGC SFS geometry type code from a Geometry");
}
@Override
public String getJavaStaticMethod() {
return "getTypeCode";
}
/**
* @param geometry Geometry WKB.
* @return Returns the OGC SFS {@link org.h2gis.utilities.GeometryTypeCodes} of a Geometry. This function does not take account of Z nor M.
* @throws IOException WKB is not valid.
*/
public static Integer getTypeCode(byte[] geometry) throws IOException {
if(geometry == null) {
return null;
}
return GeometryMetaData.getMetaDataFromWKB(geometry).geometryType;
}
}