blackboard.persist.course
Class CartridgeDbPersister.Default

java.lang.Object
  extended by blackboard.persist.course.CartridgeDbPersister.Default
Enclosing interface:
CartridgeDbPersister

public static final class CartridgeDbPersister.Default
extends java.lang.Object

A utility class that provides quick access to the CartridgeDbPersister instance associated with the default instance of the database BbPersistenceManager.

This class and its method(s) are conveniences and should be used wisely. If one is retrieving many Loader and/or Persister instances within some scope, it will likely be more efficient to retrieve the default database persistence manager directly, and then retrieve loader/persister instances from it instead of making several calls to this and/or other loader/persister utility classes.


Constructor Summary
CartridgeDbPersister.Default()
           
 
Method Summary
static CartridgeDbPersister getInstance()
          Returns the CartridgeDbPersister instance associated with the default instance of the database BbPersistenceManager.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CartridgeDbPersister.Default

public CartridgeDbPersister.Default()
Method Detail

getInstance

public static CartridgeDbPersister getInstance()
                                        throws PersistenceException
Returns the CartridgeDbPersister instance associated with the default instance of the database BbPersistenceManager.

Calling this method is equivalent to executing the following code:
 BbPersistenceManager pm = PersistenceServiceFactory.getInstance().getDbPersistenceManager();
 CartridgeDbPersister persister = (CartridgeDbPersister) pm.getPersister( CartridgeDbPersister.TYPE ) );
 

Returns:
the CartridgeDbPersister instance associated with the default database persistence manager
Throws:
PersistenceException - if an error occurs when trying to retrieve the CartridgeDbPersister instance


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