JPA Method
in jakarta.persistence.PersistenceUnitUtil

boolean isLoaded(
  E entity, 
  Attribute<?superE,?> attribute
)


Determine the load state of a given persistent attribute of an entity belonging to the persistence unit.
Parameters:
entity - entity instance containing the attribute
attribute - attribute whose load state is to be determined
Return:
false if entity's state has not been loaded or if the attribute state has not been loaded, else true
Since:
JPA 3.2