PersistenceUnitUtil Methods
NPersistence Reference Guide

The PersistenceUnitUtil type exposes the following methods.

Methods

 Public

 Protected
 Instance

 Static
 Declared

 Inherited
 XNA Framework Only

 .NET Compact Framework Only

 MemberDescription
GetIdentifier(Object)
Return the id of the entity. A generated id is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not yet have an id. entity instance

Return Value

id of the entity if the object is found not to be an entity
IsLoaded(Object)
Determine the load state of an entity belonging to the persistence unit. This method can be used to determine the load state of an entity passed as a reference. An entity is considered loaded if all attributes for which FetchType.EAGER has been specified have been loaded. The isLoaded(Object, String) method should be used to determine the load state of an attribute. Not doing so might lead to unintended loading of state. entity instance whose load state is to be determined

Return Value

false if the entity has not been loaded, else true
IsLoaded(Object)
Determine the load state of an entity. This method can be used to determine the load state of an entity passed as a reference. An entity is considered loaded if all attributes for which FetchType.EAGER has been specified have been loaded. The isLoaded(Object, String) method should be used to determine the load state of an attribute. Not doing so might lead to unintended loading of state.
(Inherited from PersistenceUtil.)
IsLoaded(Object, String)
Determine the load state of a given persistent attribute of an entity belonging to the persistence unit. entity instance containing the attribute name of attribute whose load state is to be determined

Return Value

false if entity's state has not been loaded or if the attribute state has not been loaded, else true
IsLoaded(Object, String)
Determine the load state of a given persistent attribute.
(Inherited from PersistenceUtil.)

See Also