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<?php |
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declare(strict_types = 1); |
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namespace Paymaxi\Component\CircuitBreaker\Storage\Adapter; |
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use Psr\Cache\CacheItemPoolInterface; |
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final class PsrCacheAdapter extends BaseAdapter |
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{ |
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/** |
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* @var CacheItemPoolInterface |
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*/ |
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private $cacheItemPool; |
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/** |
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* @param CacheItemPoolInterface $cacheItemPool |
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* @param int $ttl |
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* @param string $cachePrefix |
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*/ |
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public function __construct(CacheItemPoolInterface $cacheItemPool, int $ttl = 3600, string $cachePrefix = null) |
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{ |
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$this->cacheItemPool = $cacheItemPool; |
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parent::__construct($ttl, $cachePrefix); |
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} |
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/** |
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* Helper method to make sure that extension is loaded (implementation dependent) |
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* |
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* @throws \Paymaxi\Component\CircuitBreaker\Storage\StorageException if extension is not loaded |
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* @return void |
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*/ |
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protected function checkExtension() |
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{ |
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} |
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/** |
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* Loads item by cache key. |
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* |
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* @param string $key |
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* |
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* @return mixed |
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* |
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* @throws \Paymaxi\Component\CircuitBreaker\Storage\StorageException if storage error occurs, handler can not be used |
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*/ |
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protected function load($key) |
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{ |
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$cacheItem = $this->cacheItemPool->getItem($key); |
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if ($cacheItem->isHit()) { |
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return $cacheItem->get(); |
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} |
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return ""; |
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} |
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/** |
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* Save item in the cache. |
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* |
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* @param string $key |
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* @param string $value |
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* @param int $ttl |
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* |
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* @return void |
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* |
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* @throws \Paymaxi\Component\CircuitBreaker\Storage\StorageException if storage error occurs, handler can not be used |
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*/ |
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protected function save($key, $value, $ttl) |
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{ |
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$cacheItem = $this->cacheItemPool->getItem($key); |
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$cacheItem->set($value)->expiresAfter($ttl); |
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$this->cacheItemPool->save($cacheItem); |
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} |
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} |
dzubchik /
php-circuit-breaker
