/*
* 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.internal;
import org.hibernate.dialect.CUBRIDDialect;
import org.hibernate.dialect.DB2400Dialect;
import org.hibernate.dialect.DB2Dialect;
import org.hibernate.dialect.DerbyDialect;
import org.hibernate.dialect.DerbyTenFiveDialect;
import org.hibernate.dialect.DerbyTenSevenDialect;
import org.hibernate.dialect.DerbyTenSixDialect;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.FirebirdDialect;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.dialect.HANAColumnStoreDialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.InformixDialect;
import org.hibernate.dialect.Ingres10Dialect;
import org.hibernate.dialect.Ingres9Dialect;
import org.hibernate.dialect.IngresDialect;
import org.hibernate.dialect.MySQL5Dialect;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.dialect.Oracle10gDialect;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.Oracle9iDialect;
import org.hibernate.dialect.PostgreSQL81Dialect;
import org.hibernate.dialect.PostgreSQL82Dialect;
import org.hibernate.dialect.PostgreSQL9Dialect;
import org.hibernate.dialect.PostgresPlusDialect;
import org.hibernate.dialect.SQLServer2005Dialect;
import org.hibernate.dialect.SQLServer2008Dialect;
import org.hibernate.dialect.SQLServer2012Dialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.dialect.SybaseASE15Dialect;
import org.hibernate.dialect.SybaseAnywhereDialect;
import org.hibernate.engine.jdbc.dialect.spi.DialectResolutionInfo;
import org.hibernate.engine.jdbc.dialect.spi.DialectResolver;
import org.hibernate.internal.CoreLogging;
import org.hibernate.internal.CoreMessageLogger;
/**
* The standard DialectResolver implementation
*
* @author Steve Ebersole
*/
public class StandardDialectResolver implements DialectResolver {
private static final CoreMessageLogger LOG = CoreLogging.messageLogger( StandardDialectResolver.class );
/**
* Singleton access
*/
public static final StandardDialectResolver INSTANCE = new StandardDialectResolver();
@Override
public Dialect resolveDialect(DialectResolutionInfo info) {
final String databaseName = info.getDatabaseName();
if ( "CUBRID".equalsIgnoreCase( databaseName ) ) {
return new CUBRIDDialect();
}
if ( "HSQL Database Engine".equals( databaseName ) ) {
return new HSQLDialect();
}
if ( "H2".equals( databaseName ) ) {
return new H2Dialect();
}
if ( "MySQL".equals( databaseName ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
if (majorVersion >= 5 ) {
return new MySQL5Dialect();
}
return new MySQLDialect();
}
if ( "PostgreSQL".equals( databaseName ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
final int minorVersion = info.getDatabaseMinorVersion();
if ( majorVersion == 9 ) {
return new PostgreSQL9Dialect();
}
if ( majorVersion == 8 && minorVersion >= 2 ) {
return new PostgreSQL82Dialect();
}
return new PostgreSQL81Dialect();
}
if ( "EnterpriseDB".equals( databaseName ) ) {
return new PostgresPlusDialect();
}
if ( "Apache Derby".equals( databaseName ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
final int minorVersion = info.getDatabaseMinorVersion();
if ( majorVersion > 10 || ( majorVersion == 10 && minorVersion >= 7 ) ) {
return new DerbyTenSevenDialect();
}
else if ( majorVersion == 10 && minorVersion == 6 ) {
return new DerbyTenSixDialect();
}
else if ( majorVersion == 10 && minorVersion == 5 ) {
return new DerbyTenFiveDialect();
}
else {
return new DerbyDialect();
}
}
if ( "ingres".equalsIgnoreCase( databaseName ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
final int minorVersion = info.getDatabaseMinorVersion();
switch ( majorVersion ) {
case 9:
if (minorVersion > 2) {
return new Ingres9Dialect();
}
return new IngresDialect();
case 10:
return new Ingres10Dialect();
default:
LOG.unknownIngresVersion( majorVersion );
}
return new IngresDialect();
}
if ( databaseName.startsWith( "Microsoft SQL Server" ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
switch ( majorVersion ) {
case 8:
return new SQLServerDialect();
case 9:
return new SQLServer2005Dialect();
case 10:
return new SQLServer2008Dialect();
case 11:
return new SQLServer2012Dialect();
default:
LOG.unknownSqlServerVersion( majorVersion );
}
return new SQLServerDialect();
}
if ( "Sybase SQL Server".equals( databaseName ) || "Adaptive Server Enterprise".equals( databaseName ) ) {
return new SybaseASE15Dialect();
}
if ( databaseName.startsWith( "Adaptive Server Anywhere" ) ) {
return new SybaseAnywhereDialect();
}
if ( "Informix Dynamic Server".equals( databaseName ) ) {
return new InformixDialect();
}
if ( "DB2 UDB for AS/400".equals( databaseName ) ) {
return new DB2400Dialect();
}
if ( databaseName.startsWith( "DB2/" ) ) {
return new DB2Dialect();
}
if ( "Oracle".equals( databaseName ) ) {
final int majorVersion = info.getDatabaseMajorVersion();
switch ( majorVersion ) {
case 11:
return new Oracle10gDialect();
case 10:
return new Oracle10gDialect();
case 9:
return new Oracle9iDialect();
case 8:
return new Oracle8iDialect();
default:
LOG.unknownOracleVersion( majorVersion );
}
}
if ( "HDB".equals( databaseName ) ) {
// SAP recommends defaulting to column store.
return new HANAColumnStoreDialect();
}
if ( databaseName.startsWith( "Firebird" ) ) {
return new FirebirdDialect();
}
return null;
}
}