namespace Friendica\Core\Cache;
-use Friendica\BaseObject;
use Friendica\Core\Cache;
+use Exception;
+use Memcache;
+
/**
* Memcache Cache Driver
*
* @author Hypolite Petovan <mrpetovan@gmail.com>
*/
-class MemcacheCacheDriver extends BaseObject implements ICacheDriver
+class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
{
+ use TraitCompareSet;
+ use TraitCompareDelete;
+
/**
* @var Memcache
*/
public function __construct($memcache_host, $memcache_port)
{
if (!class_exists('Memcache', false)) {
- throw new \Exception('Memcache class isn\'t available');
+ throw new Exception('Memcache class isn\'t available');
}
- $this->memcache = new \Memcache();
+ $this->memcache = new Memcache();
if (!$this->memcache->connect($memcache_host, $memcache_port)) {
- throw new \Exception('Expected Memcache server at ' . $memcache_host . ':' . $memcache_port . ' isn\'t available');
+ throw new Exception('Expected Memcache server at ' . $memcache_host . ':' . $memcache_port . ' isn\'t available');
}
}
+ /**
+ * (@inheritdoc)
+ */
public function get($key)
{
$return = null;
+ $cachekey = $this->getCacheKey($key);
// We fetch with the hostname as key to avoid problems with other applications
- $cached = $this->memcache->get(self::getApp()->get_hostname() . ':' . $key);
+ $cached = $this->memcache->get($cachekey);
// @see http://php.net/manual/en/memcache.get.php#84275
if (is_bool($cached) || is_double($cached) || is_long($cached)) {
return $return;
}
- public function set($key, $value, $duration = Cache::MONTH)
+ /**
+ * (@inheritdoc)
+ */
+ public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
+ $cachekey = $this->getCacheKey($key);
+
// We store with the hostname as key to avoid problems with other applications
- return $this->memcache->set(
- self::getApp()->get_hostname() . ":" . $key,
- serialize($value),
- MEMCACHE_COMPRESSED,
- time() + $duration
- );
+ if ($ttl > 0) {
+ return $this->memcache->set(
+ $cachekey,
+ serialize($value),
+ MEMCACHE_COMPRESSED,
+ time() + $ttl
+ );
+ } else {
+ return $this->memcache->set(
+ $cachekey,
+ serialize($value),
+ MEMCACHE_COMPRESSED
+ );
+ }
}
+ /**
+ * (@inheritdoc)
+ */
public function delete($key)
{
- return $this->memcache->delete($key);
+ $cachekey = $this->getCacheKey($key);
+ return $this->memcache->delete($cachekey);
}
- public function clear()
+ /**
+ * (@inheritdoc)
+ */
+ public function clear($outdated = true)
+ {
+ if ($outdated) {
+ return true;
+ } else {
+ return $this->memcache->flush();
+ }
+ }
+
+ /**
+ * (@inheritdoc)
+ */
+ public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
{
- return true;
+ $cachekey = $this->getCacheKey($key);
+ return $this->memcache->add($cachekey, serialize($value), MEMCACHE_COMPRESSED, $ttl);
}
}