question: find by primary key . delegates to entitymanager #find class , object . concode_field_sep EntityManagerFactory entityManagerFactory concode_field_sep E persistFlushFind concode_elem_sep void flush concode_elem_sep Object persistAndGetId concode_elem_sep T persistAndGetId concode_elem_sep E merge concode_elem_sep void clear concode_elem_sep E refresh concode_elem_sep void detach concode_elem_sep Object getId concode_elem_sep T getId concode_elem_sep E persist concode_elem_sep EntityManager getEntityManager concode_elem_sep void remove concode_elem_sep E persistAndFlush
target: E function ( Class < E > arg0 , Object arg1 ) { return getEntityManager ( ) . find ( arg0 , arg1 ) ; }