/*
* 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.oracle;
import java.io.Serializable;
import java.sql.Types;
import java.util.Map;
import org.jboss.logging.Logger;
import org.hibernate.boot.model.TypeContributions;
import org.hibernate.dialect.Oracle10gDialect;
import org.hibernate.dialect.function.SQLFunction;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.spatial.HSMessageLogger;
import org.hibernate.spatial.SpatialDialect;
import org.hibernate.spatial.SpatialFunction;
/**
* A Spatial Dialect for Oracle 10g/11g that uses the "native" SDO spatial operators.
* <p>
* Created by Karel Maesen, Geovise BVBA on 11/02/17.
*/
public class OracleSpatialSDO10gDialect extends Oracle10gDialect implements SpatialDialect, Serializable {
private static final HSMessageLogger log = Logger.getMessageLogger(
HSMessageLogger.class,
OracleSpatial10gDialect.class.getName()
);
transient private OracleSDOSupport sdoSupport = new OracleSDOSupport( false );
/**
* Constructs the dialect
*/
public OracleSpatialSDO10gDialect() {
super();
// register geometry type
registerColumnType( Types.STRUCT, "MDSYS.SDO_GEOMETRY" );
for ( Map.Entry<String, SQLFunction> entry : sdoSupport.functionsToRegister() ) {
registerFunction( entry.getKey(), entry.getValue() );
}
}
@Override
public void contributeTypes(TypeContributions typeContributions, ServiceRegistry serviceRegistry) {
super.contributeTypes(
typeContributions,
serviceRegistry
);
sdoSupport.contributeTypes( typeContributions, serviceRegistry );
}
@Override
public String getSpatialFilterExpression(String columnName) {
return sdoSupport.getSpatialFilterExpression( columnName );
}
@Override
public String getSpatialRelateSQL(String columnName, int spatialRelation) {
return sdoSupport.getSDOSpatialRelateSQL( columnName, spatialRelation );
}
@Override
public String getSpatialAggregateSQL(String columnName, int aggregation) {
return sdoSupport.getSpatialAggregateSQL( columnName, aggregation );
}
@Override
public String getDWithinSQL(String columnName) {
return sdoSupport.getDWithinSQL( columnName );
}
@Override
public String getHavingSridSQL(String columnName) {
return sdoSupport.getHavingSridSQL( columnName );
}
@Override
public String getIsEmptySQL(String columnName, boolean isEmpty) {
return sdoSupport.getIsEmptySQL( columnName, isEmpty );
}
@Override
public boolean supportsFiltering() {
return sdoSupport.supportsFiltering();
}
@Override
public boolean supports(SpatialFunction function) {
return !function.equals( SpatialFunction.crosses ) && (getFunctions().get( function.toString() ) != null);
}
}