org.hibernate.engine.jdbc.dialect.spi.DatabaseMetaDataDialectResolutionInfoAdapter Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2013, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.engine.jdbc.dialect.spi;
import java.sql.DatabaseMetaData;
import java.sql.SQLException;
/**
* An implementation of DialectResolutionInfo that delegates calls to a wrapped {@link DatabaseMetaData}.
*
* All {@link SQLException}s resulting from calls on the DatabaseMetaData are converted to the Hibernate
* {@link org.hibernate.JDBCException} hierarchy.
*
* @author Steve Ebersole
*/
public class DatabaseMetaDataDialectResolutionInfoAdapter implements DialectResolutionInfo {
private final DatabaseMetaData databaseMetaData;
public DatabaseMetaDataDialectResolutionInfoAdapter(DatabaseMetaData databaseMetaData) {
this.databaseMetaData = databaseMetaData;
}
@Override
public String getDatabaseName() {
try {
return databaseMetaData.getDatabaseProductName();
}
catch (SQLException e) {
throw BasicSQLExceptionConverter.INSTANCE.convert( e );
}
}
@Override
public int getDatabaseMajorVersion() {
try {
return interpretVersion( databaseMetaData.getDatabaseMajorVersion() );
}
catch (SQLException e) {
throw BasicSQLExceptionConverter.INSTANCE.convert( e );
}
}
private static int interpretVersion(int result) {
return result < 0 ? NO_VERSION : result;
}
@Override
public int getDatabaseMinorVersion() {
try {
return interpretVersion( databaseMetaData.getDatabaseMinorVersion() );
}
catch (SQLException e) {
throw BasicSQLExceptionConverter.INSTANCE.convert( e );
}
}
@Override
public String getDriverName() {
try {
return databaseMetaData.getDriverName();
}
catch (SQLException e) {
throw BasicSQLExceptionConverter.INSTANCE.convert( e );
}
}
@Override
public int getDriverMajorVersion() {
return interpretVersion( databaseMetaData.getDriverMajorVersion() );
}
@Override
public int getDriverMinorVersion() {
return interpretVersion( databaseMetaData.getDriverMinorVersion() );
}
}