blackboard.persist.course
Interface GroupMembershipDbLoader

All Superinterfaces:

Loader

public interface GroupMembershipDbLoader
extends Loader

This interface describes the set of methods that all database loaders for GroupMembership objects must implement.

Loading methods are named according to the criteria used for loading and the type of load that is performed.

Since:

Bb 6.0

Version:

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

Nested Class Summary

static class

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

Field Summary

static java.lang.String

TYPE Type used to obtain an instance of the class configured to provide the implementation for this interface.

Method Summary

BbList	loadByCourseId(Id courseId) Load the list of GroupMembership objects belonging to all groups defined within the given course (identified by id) using a connection obtained through this object's database context.
BbList	loadByCourseId(Id courseId, java.sql.Connection con) Load the list of GroupMembership objects belonging to all groups defined within the given course (identified by id) using the supplied connection.
GroupMembership	loadByGroupAndUserId(Id groupId, Id userId) Load the GroupMembership with the given user and group id from the database using a connection obtained through this object's database context.
GroupMembership	loadByGroupAndUserId(Id groupId, Id userId, java.sql.Connection con) Load the GroupMembership with the given user and group id from the database using the supplied connection.
BbList	loadByGroupId(Id groupId) Load the list of GroupMembership objects belonging to the given group (identified by id) using a connection obtained through this object's database context.
BbList	loadByGroupId(Id groupId, java.sql.Connection con) Load the list of GroupMembership objects belonging to the given group (identified by id) using the supplied connection.
GroupMembership	loadById(Id id) Load the GroupMembership with the given Id from the database using a connection obtained through this object's database context.
GroupMembership	loadById(Id id, java.sql.Connection con) Load the GroupMembership with the given Id 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

Type used to obtain an instance of the class configured to provide the implementation for this interface. Used when making a call to BbPersistenceManager.getLoader(String)

See Also:

Constant Field Values

Method Detail

loadById

GroupMembership loadById(Id id)
                         throws KeyNotFoundException,
                                PersistenceException

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

Throws:

KeyNotFoundException - if there is no GroupMembership in the database with the given id

PersistenceException - if some other error occurs while loading the object

loadById

GroupMembership loadById(Id id,
                         java.sql.Connection con)
                         throws KeyNotFoundException,
                                PersistenceException

Load the GroupMembership with the given Id from the database using the supplied connection.

Throws:

KeyNotFoundException - if there is no GroupMembership in the database with the given id

PersistenceException - if some other error occurs while loading the object

loadByCourseId

BbList loadByCourseId(Id courseId)
                      throws KeyNotFoundException,
                             PersistenceException

Load the list of GroupMembership objects belonging to all groups defined within the given course (identified by id) using a connection obtained through this object's database context.

Throws:

KeyNotFoundException - if the provided course id is invalid

PersistenceException - if some other error occurs while loading the User

loadByCourseId

BbList loadByCourseId(Id courseId,
                      java.sql.Connection con)
                      throws KeyNotFoundException,
                             PersistenceException

Load the list of GroupMembership objects belonging to all groups defined within the given course (identified by id) using the supplied connection.

Throws:

KeyNotFoundException - if the provided course id is invalid

PersistenceException - if some other error occurs while loading the User

loadByGroupId

BbList loadByGroupId(Id groupId)
                     throws KeyNotFoundException,
                            PersistenceException

Load the list of GroupMembership objects belonging to the given group (identified by id) using a connection obtained through this object's database context.

Throws:

KeyNotFoundException - if the provided group id is invalid

PersistenceException - if some other error occurs while loading the User

loadByGroupId

BbList loadByGroupId(Id groupId,
                     java.sql.Connection con)
                     throws KeyNotFoundException,
                            PersistenceException

Load the list of GroupMembership objects belonging to the given group (identified by id) using the supplied connection.

Throws:

KeyNotFoundException - if the provided group id is invalid

PersistenceException - if some other error occurs while loading the User

loadByGroupAndUserId

GroupMembership loadByGroupAndUserId(Id groupId,
                                     Id userId)
                                     throws KeyNotFoundException,
                                            PersistenceException

Load the GroupMembership with the given user and group id from the database using a connection obtained through this object's database context.

Throws:

KeyNotFoundException - if there is no GroupMembership in the database with the given group and user id

PersistenceException - if some other error occurs while loading the object

loadByGroupAndUserId

GroupMembership loadByGroupAndUserId(Id groupId,
                                     Id userId,
                                     java.sql.Connection con)
                                     throws KeyNotFoundException,
                                            PersistenceException

Load the GroupMembership with the given user and group id from the database using the supplied connection.

Throws:

KeyNotFoundException - if there is no GroupMembership in the database with the given group and user id

PersistenceException - if some other error occurs while loading the object