run a block of code with the entitymanager for the named persistence unit . concode_field_sep JPAApi jpaApi concode_elem_sep JPAConfig jpaConfig concode_elem_sep JPAEntityManagerContext entityManagerContext concode_elem_sep Map<String,EntityManagerFactory> emfs concode_field_sep JPAApi get concode_elem_sep JPAApi start concode_elem_sep EntityManager em concode_elem_sep EntityManager em concode_elem_sep void shutdown
T function ( String arg0 , Function < EntityManager , T > arg1 ) { return withTransaction ( arg0 , false , arg1 ) ; }