}
private String generateEntityManagerFactoryClass(
TreeLogger logger, GeneratorContext context, EntityManagerFactory emf) {
EntityManager em = emf.createEntityManager();
Metamodel mm = em.getMetamodel();
final ClassStructureBuilder<?> classBuilder =
Implementations.implement(ErraiEntityManagerFactory.class, GENERATED_CLASS_NAME);
classBuilder.publicMethod(ErraiEntityManager.class, "createEntityManager")