org.castor.jdo.util

Class JDOUtils

public final class JDOUtils extends Object

Common static methods for Castor JDO

Since: 0.9.9.1

Version: $Revision: 6041 $ $Date: 2006-05-24 08:49:08 -0600 (Wed, 24 May 2006) $

Author: Ralf Joachim Stein M. Hugubakken

Method Summary
static void	closeConnection(Connection conn) Closes the Connection without throwing SQLException.
static void	closeDatabase(Database db) Closes the Database without throwing exceptions.
static void	closeResultSet(ResultSet rs) Closes the ResultSet without throwing SQLException.
static void	closeStatement(Statement stmt) Closes the Statement without throwing SQLException.
static ClassDescriptor	getClassDescriptor(String db, Class type) Return ClassDescriptor for given type in named database .

Method Detail

closeConnection

public static void closeConnection(Connection conn)

Closes the Connection without throwing SQLException. A warning is added to the log if SQLException is thrown.

Parameters: conn The Connection to close

closeDatabase

public static void closeDatabase(Database db)

Closes the Database without throwing exceptions. An active transaction will silently rolled back. Warnings are added to the log if any exception occures.

Parameters: db The database to close.

closeResultSet

public static void closeResultSet(ResultSet rs)

Closes the ResultSet without throwing SQLException. A warning is added to the log if SQLException is thrown.

Parameters: rs The ResultSet to close

closeStatement

public static void closeStatement(Statement stmt)

Closes the Statement without throwing SQLException. A warning is added to the log if SQLException is thrown.

Parameters: stmt The Statement to close

getClassDescriptor

public static ClassDescriptor getClassDescriptor(String db, Class type)

Return ClassDescriptor for given type in named database .

Parameters: db The database's name. type The class.

Returns: ClassDescriptor if exists, otherwise null.

Throws: MappingException If database can not be instantiated.