@RequiresSession
  public List<KerberosDescriptorEntity> findAll() {
    TypedQuery<KerberosDescriptorEntity> query = entityManagerProvider.get().
            createNamedQuery("allKerberosDescriptors", KerberosDescriptorEntity.class);
    return query.getResultList();
  }
Find all kerberos descriptors.

@return all kerberos descriptors or an empty List
ambari-server/src/main/java/org/apache/ambari/server/orm/dao/KerberosDescriptorDAO.java