Memcache Profiler Storage
@author Andrej Hudec <pulzarraider@gmail.com>
Expanded class hierarchy of MemcacheProfilerStorage
class MemcacheProfilerStorage extends BaseMemcacheProfilerStorage {
/**
* @var Memcache
*/
private $memcache;
/**
* Internal convenience method that returns the instance of the Memcache
*
* @return Memcache
*
* @throws \RuntimeException
*/
protected function getMemcache() {
if (null === $this->memcache) {
if (!preg_match('#^memcache://(?(?=\\[.*\\])\\[(.*)\\]|(.*)):(.*)$#', $this->dsn, $matches)) {
throw new \RuntimeException(sprintf('Please check your configuration. You are trying to use Memcache with an invalid dsn "%s". The expected format is "memcache://[host]:port".', $this->dsn));
}
$host = $matches[1] ?: $matches[2];
$port = $matches[3];
$memcache = new Memcache();
$memcache
->addServer($host, $port);
$this->memcache = $memcache;
}
return $this->memcache;
}
/**
* Set instance of the Memcache
*
* @param Memcache $memcache
*/
public function setMemcache($memcache) {
$this->memcache = $memcache;
}
/**
* {@inheritdoc}
*/
protected function getValue($key) {
return $this
->getMemcache()
->get($key);
}
/**
* {@inheritdoc}
*/
protected function setValue($key, $value, $expiration = 0) {
return $this
->getMemcache()
->set($key, $value, false, time() + $expiration);
}
/**
* {@inheritdoc}
*/
protected function delete($key) {
return $this
->getMemcache()
->delete($key);
}
/**
* {@inheritdoc}
*/
protected function appendValue($key, $value, $expiration = 0) {
$memcache = $this
->getMemcache();
if (method_exists($memcache, 'append')) {
//Memcache v3.0
if (!($result = $memcache
->append($key, $value, false, $expiration))) {
return $memcache
->set($key, $value, false, $expiration);
}
return $result;
}
//simulate append in Memcache <3.0
$content = $memcache
->get($key);
return $memcache
->set($key, $content . $value, false, $expiration);
}
}