org.castor.jdo.util

Class JDOUtils


public final class JDOUtils
extends java.lang.Object

Common static methods for Castor JDO.
Version:
$Revision: 7121 $ $Date: 2006-05-24 08:49:08 -0600 (Wed, 24 May 2006) $
Authors:
Ralf Joachim
Stein M. Hugubakken
Since:
0.9.9.1

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 Details

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)
            throws MappingException
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.

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