Fast Object Database for Java - with JPA/JDO support

isLoaded(entity, attributeName) - JPA PersistenceUnitUtil's method

Determine the load state of a given persistent attribute of an entity belonging to the persistence unit.
entity - entity instance containing the attribute
attributeName - name of attribute whose load state is to be determined
false if entity's state has not been loaded or if the attribute state has not been loaded, else true
JPA 2.0