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<?php |
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namespace Cachearium\Backend; |
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use Cachearium\CacheAbstract; |
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use Cachearium\CacheKey; |
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use Cachearium\CacheData; |
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use Cachearium\CacheLogEnum; |
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use Cachearium\Exceptions\NotCachedException; |
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/** |
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* Null cache class. Does nothing but implements all required methods. |
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* |
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*/ |
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class CacheNull extends CacheAbstract { |
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// @codeCoverageIgnoreStart |
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/** |
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* Cache constructor (this is a singleton). |
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* |
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* @return Cache The cache singleton. |
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*/ |
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public static function singleton() { |
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static $instances; |
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if (!isset($instances)) { |
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$instances = new CacheNull(); |
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} |
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return $instances; |
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} |
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// Prevent users to clone the instance |
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public function __clone() { |
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trigger_error('Cloning is not allowed.', LH_TRIGGER_UNEXPECTED); |
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} |
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// @codeCoverageIgnoreEnd |
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/** |
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* Constructor. |
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* @codeCoverageIgnore |
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*/ |
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private function __construct() { |
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$this->disable(); |
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} |
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public function enable() { |
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} |
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public function get(CacheKey $k) { |
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throw new NotCachedException(); |
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} |
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public function increment($value, CacheKey $k, $default = 0) { |
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return $default; |
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} |
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public function store($data, CacheKey $k, $lifetime = 0) { |
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return true; |
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} |
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public function delete(CacheKey $k) { |
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return true; |
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} |
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public function cleanP($base, $id) { |
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return true; |
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} |
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public function clear() { |
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return true; |
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} |
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public function start(CacheKey $k, $lifetime = null, $print = true, $fail = false) { |
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return false; |
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} |
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public function end($print = true) { |
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return ''; |
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} |
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public function prefetch($data) { |
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} |
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/** |
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* @codeCoverageIgnore |
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*/ |
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protected function hashKey(CacheKey $k) { |
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return $k->getBase() . $k->getId() . serialize($k->getSub()); |
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} |
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/** |
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* @codeCoverageIgnore |
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*/ |
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public function report() { |
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} |
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} |
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Corollarium /
cachearium
