blackboard.platform.plugin
Interface ContentHandlerDbLoader

All Superinterfaces:

Loader

public interface ContentHandlerDbLoader
extends Loader

Interface for loading Content Handler objects from the database.

Since:

Blackboard 6.0

Version:

$Revision: #1 $ $Date: 2005/06/27 $

Nested Class Summary

static class

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

Field Summary

static java.lang.String

TYPE

Method Summary

BbList	loadAll(VirtualInstallation vi) Loads all the ContentHandlers for the specified virtual installation.
java.util.List	loadAvailableByCourse(Course crs) loadAvailableByCourse
java.util.List	loadAvailableByCourse(Course crs, java.sql.Connection con) loadAvailableByCourse
java.util.List	loadByCourse(Course crs) loadByCourse
java.util.List	loadByCourse(Course crs, java.sql.Connection con) loadByCourse
ContentHandler	loadByHandle(java.lang.String handle) Load the ContentHandler with the given handle from the database using a connection obtained through this object's database context.
ContentHandler	loadByHandle(java.lang.String handle, java.sql.Connection con) Load the ContentHandler with the given handle from the database using the supplied connection.

Methods inherited from interface blackboard.persist.Loader

getAppVersion, init

Field Detail

TYPE

static final java.lang.String TYPE

See Also:

Constant Field Values

Method Detail

loadAll

BbList loadAll(VirtualInstallation vi)
               throws PersistenceException,
                      ValidationException

Loads all the ContentHandlers for the specified virtual installation.

Parameters:

vi - Target virtual installation.

Returns:

List of content handlers installed in this virtual installation.

Throws:

PersistenceException

ValidationException

loadByHandle

ContentHandler loadByHandle(java.lang.String handle)
                            throws KeyNotFoundException,
                                   PersistenceException

Load the ContentHandler with the given handle from the database using a connection obtained through this object's database context.

Throws:

KeyNotFoundException - if there is no ContentHandler in the database with the given handle

PersistenceException - if some other error occurs while loading the object

loadByHandle

ContentHandler loadByHandle(java.lang.String handle,
                            java.sql.Connection con)
                            throws KeyNotFoundException,
                                   PersistenceException

Load the ContentHandler with the given handle from the database using the supplied connection.

Throws:

KeyNotFoundException - if there is no ContentHandler in the database with the given handle

PersistenceException - if some other error occurs while loading the object

loadAvailableByCourse

java.util.List loadAvailableByCourse(Course crs)
                                     throws PersistenceException

loadAvailableByCourse

Throws:

PersistenceException

loadAvailableByCourse

java.util.List loadAvailableByCourse(Course crs,
                                     java.sql.Connection con)
                                     throws PersistenceException

loadAvailableByCourse

Throws:

PersistenceException

loadByCourse

java.util.List loadByCourse(Course crs)
                            throws PersistenceException

loadByCourse

Throws:

PersistenceException

loadByCourse

java.util.List loadByCourse(Course crs,
                            java.sql.Connection con)
                            throws PersistenceException

loadByCourse

Throws:

PersistenceException