blackboard.persist.discussionboard
Interface MessageAttachmentDbLoader

All Superinterfaces:

Loader

public interface MessageAttachmentDbLoader
extends Loader

MessageAttachmentDbLoader

Since:

Bb 5.5

Version:

$Revision: #1 $ $Date: 2007/06/27 $

Nested Class Summary

static class

MessageAttachmentDbLoader.Default A utility class that provides quick access to the MessageAttachmentDbLoader 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	loadByForumId(Id forumId) Loads the list of Message attachments that belong to messages located within the given forum (identified by Id) using a connection obtained through this object's database context.
BbList	loadByForumId(Id forumId, java.sql.Connection con) Loads the list of Message attachments that belong to messages located within the given forum (identified by Id) using the supplied connection.
MessageAttachment	loadById(Id id) Load the Message attachment with the given Id from the database using a connection obtained through this object's database context.
MessageAttachment	loadById(Id id, java.sql.Connection con) Load the Message attachment with the given Id from the database using the supplied connection.
MessageAttachment	loadByMessageId(Id messageId) Load the Message attachment with the given parent message Id from the database using a connection obtained through this object's database context.
MessageAttachment	loadByMessageId(Id messageId, java.sql.Connection con) Load the Message attachment with the given parent message 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

MessageAttachment loadById(Id id)
                           throws KeyNotFoundException,
                                  PersistenceException

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

Parameters:

id - the Id of the MessageAttachment that should be loaded

Throws:

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

PersistenceException - if some other error occurs while loading the object

loadById

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

Load the Message attachment with the given Id from the database using the supplied connection.

Parameters:

id - the Id of the MessageAttachment that should be loaded

con - the Connection to use to perform the load. Can be null.

Throws:

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

PersistenceException - if some other error occurs while loading the object

loadByMessageId

MessageAttachment loadByMessageId(Id messageId)
                                  throws KeyNotFoundException,
                                         PersistenceException

Load the Message attachment with the given parent message Id from the database using a connection obtained through this object's database context.

Parameters:

messageId - the Id of the parent Message that the MessageAttachment should be loaded for

Throws:

KeyNotFoundException - if there is no Message attachment in the database with the given parent message id

PersistenceException - if some other error occurs while loading the object

loadByMessageId

MessageAttachment loadByMessageId(Id messageId,
                                  java.sql.Connection con)
                                  throws KeyNotFoundException,
                                         PersistenceException

Load the Message attachment with the given parent message Id from the database using the supplied connection.

Parameters:

messageId - the Id of the parent Message that the MessageAttachment should be loaded for

con - the Connection to use to perform the load. Can be null.

Throws:

KeyNotFoundException - if there is no Message attachment in the database with the given parent message id

PersistenceException - if some other error occurs while loading the object

loadByForumId

BbList loadByForumId(Id forumId)
                     throws KeyNotFoundException,
                            PersistenceException

Loads the list of Message attachments that belong to messages located within the given forum (identified by Id) using a connection obtained through this object's database context.

Parameters:

forumId - the Id of the Forum that contains messages for which attachments should be loaded

Throws:

KeyNotFoundException - if the provided forum Id is invalid

PersistenceException - if some other error occurs while loading the object

loadByForumId

BbList loadByForumId(Id forumId,
                     java.sql.Connection con)
                     throws KeyNotFoundException,
                            PersistenceException

Loads the list of Message attachments that belong to messages located within the given forum (identified by Id) using the supplied connection.

Parameters:

forumId - the Id of the Forum that contains messages for which attachments should be loaded

con - the Connection to use to perform the load. Can be null.

Throws:

KeyNotFoundException - if the provided forum Id is invalid

PersistenceException - if some other error occurs while loading the object