/**
* Namespace version
*
* @return string $namespaceVersion
*/
protected function getNamespaceVersion()
{
if (null !== $this->namespaceVersion) {
return $this->namespaceVersion;
}
$namespaceCacheKey = $this->getNamespaceCacheKey();
$namespaceVersion = $this->memcached->get($namespaceCacheKey);
if (false === $namespaceVersion) {
$namespaceVersion = 1;
$this->memcached->set($namespaceCacheKey, $namespaceVersion);
}
$this->namespaceVersion = $namespaceVersion;
return $this->namespaceVersion;
}
/**
* {@inheritdoc}
*/
protected function doGetStats()
{
$servers = $this->memcached->getStats();
$data = array(Cache::STATS_HITS => 0, Cache::STATS_MISSES => 0, Cache::STATS_UPTIME => 0, Cache::STATS_MEMORY_USAGE => 0, Cache::STATS_MEMORY_AVAILIABLE => 0);
foreach ($servers as $server) {
$stats = $this->getServerStats($server);
$data[Cache::STATS_HITS] += $stats[Cache::STATS_HITS];
$data[Cache::STATS_MISSES] += $stats[Cache::STATS_MISSES];
$data[Cache::STATS_MEMORY_USAGE] += $stats[Cache::STATS_MEMORY_USAGE];
$data[Cache::STATS_MEMORY_AVAILIABLE] += $stats[Cache::STATS_MEMORY_AVAILIABLE];
if ($data[Cache::STATS_UPTIME] < $stats[Cache::STATS_UPTIME]) {
$data[Cache::STATS_UPTIME] = $stats[Cache::STATS_UPTIME];
}
}
return $data;
}
/**
* Constructor instantiates and stores Memcached object
*
* @param bool $enabled Are we caching?
* @param bool $debug Are we logging?
* @param null $persistentId Are we persisting?
*/
public function __construct($enabled, $debug = false, $persistentId = null)
{
$this->logging = $debug;
parent::__construct($enabled, $debug, $persistentId);
}