private function buildMemcachedCache()
{
if (null === $this->host) {
throw new HostShouldBeProvidedException();
}
if (null === $this->port) {
$this->port = Memcached::DEFAULT_PORT;
}
$this->server->addserver($this->host, $this->port);
$this->cacheProvider->setMemcached($this->server);
}