protected function getObjectManager()
    {
        if (!isset($this->ldapObjectManager[$this->context])) {
            $this->ldapObjectManager[$this->context] = new LdapObjectManager(
                $this->getConnection(),
                $this->getSchemaFactory(),
                $this->config->getEventDispatcher()
            );
        }

        return $this->ldapObjectManager[$this->context];
    }