org.hibernate.engine.jdbc.dialect.spi.DatabaseMetaDataDialectResolutionInfoAdapter Maven / Gradle / Ivy
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Hibernate's core ORM functionality
/*
* 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 .
*/
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() );
}
}