in module-simple/src/main/java/domainapp/modules/simple/dom/so/SimpleObjects.java [76:87]
public void ping() {
jpaSupportService.getEntityManager(SimpleObject.class)
.mapEmptyToFailure()
.mapSuccessAsNullable(entityManager -> {
final TypedQuery<SimpleObject> q = entityManager.createQuery(
"SELECT p FROM SimpleObject p ORDER BY p.name",
SimpleObject.class)
.setMaxResults(1);
return q.getResultList();
})
.ifFailureFail();
}