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<?php |
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/** |
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* Allows to manage cache |
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* cache structure (module_code/cache_code.cache) |
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* |
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* @package Blue |
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* @subpackage Cache |
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* @author chajr <[email protected]> |
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*/ |
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namespace BlueCache; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Psr\Cache\CacheItemInterface; |
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class Cache implements CacheItemPoolInterface |
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{ |
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use Common; |
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/** |
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* @var array |
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*/ |
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protected $deferred = []; |
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/** |
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* @var array |
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*/ |
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protected $cacheCommitExceptions = []; |
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/** |
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* @param string $name |
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* @return null|CacheItemInterface |
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*/ |
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public function getItem($name) |
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{ |
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if ($this->hasItem($name)) { |
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return $this->storage->restore($name); |
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} |
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return null; |
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} |
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/** |
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* @param array $names |
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* @return array |
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*/ |
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public function getItems(array $names = []) |
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{ |
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$list = []; |
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foreach ($names as $name) { |
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$list[$name] = $this->getItem($name); |
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} |
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return $list; |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function hasItem($name) |
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{ |
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return $this->storage->exists($name); |
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} |
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/** |
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* @return bool |
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* @throws CacheException |
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*/ |
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public function clear() |
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{ |
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return $this->storage->clear(); |
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} |
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/** |
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* @param string $name |
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* @return bool |
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* @throws CacheException |
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*/ |
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public function deleteItem($name) |
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{ |
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return $this->storage->clear($name); |
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} |
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/** |
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* @param array $names |
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* @return bool |
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* @throws CacheException |
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*/ |
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public function deleteItems(array $names) |
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{ |
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return $this->storage->clear($names); |
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} |
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/** |
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* @param CacheItemInterface $item |
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* @return bool |
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* @throws CacheException |
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*/ |
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public function save(CacheItemInterface $item) |
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{ |
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return $this->storage->store($item); |
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} |
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/** |
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* Keep cache items to store it later |
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* |
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* @param CacheItemInterface $item |
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* @return bool |
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*/ |
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public function saveDeferred(CacheItemInterface $item) |
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{ |
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$this->deferred[] = $item; |
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return true; |
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} |
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/** |
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* Store all cache items added by saveDeferred |
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* |
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* @return bool |
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* @throws CacheException |
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*/ |
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public function commit() |
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{ |
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$cacheExceptions = []; |
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$this->cacheCommitExceptions = []; |
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$flag = true; |
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foreach ($this->deferred as $item) { |
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if (!$this->commitSave($item)) { |
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$flag = false; |
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} |
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} |
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if (!empty($this->cacheCommitExceptions)) { |
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throw new CacheException('Error on saving cache items: ' . implode('; ', $cacheExceptions)); |
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} |
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$this->deferred = []; |
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return $flag; |
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} |
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/** |
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* @param CacheItemInterface $item |
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* @return bool |
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*/ |
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2 |
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protected function commitSave(CacheItemInterface $item) |
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{ |
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try { |
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return $this->save($item); |
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} catch (CacheException $exception) { |
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$this->cacheCommitExceptions[] = $exception->getMessage(); |
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return false; |
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} |
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} |
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/** |
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160
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* @throws CacheException |
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*/ |
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public function __destruct() |
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{ |
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$this->commit(); |
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} |
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} |
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bluetree-service /
cache
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