private function configuraZeDb()
 {
     $config = $this->em->getServiceLocator()->get('Configuration');
     $config = isset($config['zendexperts_zedb']) && (is_array($config['zendexperts_zedb']) || $config['zendexperts_zedb'] instanceof ArrayAccess) ? array_merge($config['zendexperts_zedb'], $this->geraArrayConfig($this->service_namespace)) : array();
     $this->em->setConfig($config);
 }