javax.persistence.PersistenceUtil - JPA interface
javax.persistence
Interface PersistenceUtil
- Subinterfaces:
-
PersistenceUnitUtil
The PersistenceUtil
interface instance obtained from the Persistence
class is used to determine the load state of an entity or entity attribute regardless of which persistence provider in the environment created the entity.
- Since:
- JPA 2.0
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.
- Parameters:
-
entity
- whose load state is to be determined
- Returns:
- false if the entity has not been loaded, else true
- Since:
- JPA 2.0
- Parameters:
-
entity
- entity containing the attribute -
attributeName
- name of attribute whose load state is to be determined
- Returns:
- false if entity's state has not been loaded or if the attribute state has not been loaded, else true
- Since:
- JPA 2.0