question: public static < E extends Identifiable > List < E > findByPrimaryKeys ( EntityManager em , List < BigInteger > ids , Class < E > type ) { requireArgument ( em != null , "The entity manager cannot be null." ) ; requireArgument ( ids != null && ! ids . isEmpty ( ) , "IDs cannot be null or empty." ) ; requireArgument ( type != null , "The entity type cannot be null." ) ; TypedQuery < E > query = em . createNamedQuery ( "JPAEntity.findByPrimaryKeys" , type ) ; query . setHint ( "javax.persistence.cache.storeMode" , "REFRESH" ) ; try { query . setParameter ( "ids" , ids ) ; query . setParameter ( "deleted" , false ) ; return query . getResultList ( ) ; } catch ( NoResultException ex ) { return new ArrayList < > ( 0 ) ; } }
target:  Finds JPA entities by their primary keys.