Package dekoh.portal.fwk.persistence

Provides the classes help that enable Web 2.0 features like like tagging, commenting, rating
DigitalObject is persistent data object that stores information about the digital content a Dekoh application is managing.

See:
Description

Interface Summary

DIOEntityManager

DIOEntityManager manages the lifecycle of all DigitalObjects.

Class Summary

Buddy
Comment	Comment are posted on a Share.
DigitalObject	DigitalObject holds the metadata of the content being managed by Dekoh application.
DioCollection	DioCollection represents the collection of DigitalObjects organised in a LinkedHashSet.
DioCollectionQueryInterface	This class provides DioCollection specific business methods for native queries.
DioCollectionQueryInterface.CollectionLabel
DioCollectionQueryInterface.DioWithAccessPath
DIOEntityManagerFactory	DIOEntityManagerFactory is a wrapper over EntityManagerFactory.
DIOEntityManagerImpl	DIOEntityManager is a wraper over EntityManager.
DIOProperty	A property that can be added to DigitalObject as well as to DioCollection.
DioQueryInterface
Directory	Directory is an Entity that represents URL to the directory containing DigitalObject.
FileLocation	FileLocation represents the location of a DigitalObject.
LocalUser
Page	Return value for a paginated ResultSet of DigitalObjects that match a query.
Rating	This enum is used rate a digital object
Share	A Share stores the relationship between DigitalObjects shared with buddies by the owner.
Share.BuddyVisitEvent	Describes a buddy's visit to a share.
Tag	Tag is a word or a phrase that describes one or more DigitalObjects.
TaggedDioCollection

Exception Summary

AccessDeniedException
CannotAccessCommentException
DigitalObjectNotInCollectionException	This Exception is thrown when DioCollection.getDigitalObject(int) is invoked and the collection does not contain a digital object with given id.
DigitalObjectNotInShareException	This Exception is thrown when a digital object is looked up in a share, while that digital object is not part of the accessed share.
DIOEntityExistsException	Thrown by DIOEntityManager.persist(Object) when trying to persist a DigitalObject but another with the same identity already exists.
DisabledShareAccessedException
EntityCreationException
FileNameTooLongException
NoSuchEntityException	Will be thrown when find by primary key of an Entity fails.

Package dekoh.portal.fwk.persistence Description

Provides the classes help that enable Web 2.0 features like like tagging, commenting, rating
DigitalObject is persistent data object that stores information about the digital content a Dekoh application is managing. Dekoh Application developer can choose to extend DigitalObject and further define properties and their data types. Alterenatively developer can also instanciate DigitalObject and customize it by adding properties (name-value pairs) of String type.
DioCollection is a collection of releated digital objects. Dekoh applications make it easty for the end user to organize the content into collections. Such DioCollections can then be shared with other Dekoh users.