/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.spatial.dialect.h2geodb;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.geolatte.geom.Geometry;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.JavaTypeDescriptor;
import org.hibernate.type.descriptor.sql.BasicBinder;
import org.hibernate.type.descriptor.sql.BasicExtractor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
/**
* Descriptor for GeoDB Geometries.
*
* @author Karel Maesen, Geovise BVBA
*/
public class GeoDBGeometryTypeDescriptor implements SqlTypeDescriptor {
/**
* An instance of this Descriptor
*/
public static final GeoDBGeometryTypeDescriptor INSTANCE = new GeoDBGeometryTypeDescriptor();
@Override
public int getSqlType() {
return Types.ARRAY;
}
@Override
public boolean canBeRemapped() {
return false;
}
@Override
public <X> ValueBinder<X> getBinder(final JavaTypeDescriptor<X> javaTypeDescriptor) {
return new BasicBinder<X>( javaTypeDescriptor, this ) {
@Override
protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options)
throws SQLException {
final Geometry geometry = getJavaDescriptor().unwrap( value, Geometry.class, options );
st.setBytes( index, GeoDbWkb.to( geometry ) );
}
@Override
protected void doBind(CallableStatement st, X value, String name, WrapperOptions options)
throws SQLException {
final Geometry geometry = getJavaDescriptor().unwrap( value, Geometry.class, options );
st.setBytes( name, GeoDbWkb.to( geometry ) );
}
};
}
@Override
public <X> ValueExtractor<X> getExtractor(final JavaTypeDescriptor<X> javaTypeDescriptor) {
return new BasicExtractor<X>( javaTypeDescriptor, this ) {
@Override
protected X doExtract(ResultSet rs, String name, WrapperOptions options) throws SQLException {
return getJavaDescriptor().wrap( GeoDbWkb.from( rs.getObject( name ) ), options );
}
@Override
protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException {
return getJavaDescriptor().wrap( GeoDbWkb.from( statement.getObject( index ) ), options );
}
@Override
protected X doExtract(CallableStatement statement, String name, WrapperOptions options)
throws SQLException {
return getJavaDescriptor().wrap( GeoDbWkb.from( statement.getObject( name ) ), options );
}
};
}
}