JDOUtils (Castor JavaDoc)

java.lang.Object
- org.castor.jdo.util.JDOUtils

```
public final class JDOUtils
extends java.lang.Object
```
Common static methods for Castor JDO.

Since:

0.9.9.1

Version:

$Revision: 8111 $ $Date: 2006-05-24 08:49:08 -0600 (Wed, 24 May 2006) $

Author:

Ralf Joachim, Stein M. Hugubakken

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`closeConnection(java.sql.Connection conn)`	Closes the Connection without throwing SQLException.
`static void`	`closeDatabase(Database db)`	Closes the Database without throwing exceptions.
`static void`	`closeResultSet(java.sql.ResultSet rs)`	Closes the ResultSet without throwing SQLException.
`static void`	`closeStatement(java.sql.Statement stmt)`	Closes the Statement without throwing SQLException.
`static ClassDescriptor`	`getClassDescriptor(java.lang.String db, java.lang.Class<?> type)`	Return ClassDescriptor for given type in named database .

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - closeConnection
```
public static void closeConnection(java.sql.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
  - closeResultSet
```
public static void closeResultSet(java.sql.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(java.sql.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
  - 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.
  - getClassDescriptor
```
public static ClassDescriptor getClassDescriptor(java.lang.String db,
                                                 java.lang.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.

Class JDOUtils

Method Summary

Methods inherited from class java.lang.Object

Method Detail

closeConnection

closeResultSet

closeStatement

closeDatabase

getClassDescriptor