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<?php |
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namespace Kemist\Cache\Storage; |
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/** |
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* AbstractStorage class |
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* |
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* @package Kemist\Cache |
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* |
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* @version 1.0.6 |
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*/ |
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abstract class AbstractStorage { |
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/** |
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* Cached field names |
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* |
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* @var array |
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*/ |
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protected $fields = array(); |
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/** |
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* Number of hits |
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* @var int |
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*/ |
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protected $hits = 0; |
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/** |
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* Number of misses |
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* @var int |
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*/ |
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protected $misses = 0; |
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/** |
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* Cache provider Object |
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* @var object |
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*/ |
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protected $provider; |
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/** |
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* Info method |
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* @var string |
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*/ |
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protected $infoMethod = 'info'; |
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/** |
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* Key prefix to avoid collisions |
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* @var string |
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*/ |
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protected $prefix = ''; |
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/** |
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* Retrieves the content of $name cache |
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* |
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* @param string $name cache name |
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* |
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* @return mixed |
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*/ |
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public function get($name) { |
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$ret = $this->provider->get($this->prefix . $name); |
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if ($ret !== false) { |
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$this->hit(); |
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$this->storeName($name); |
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} else { |
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$this->miss(); |
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} |
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return $ret; |
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} |
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/** |
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* Cache miss occured |
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*/ |
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public function miss() { |
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$this->misses++; |
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} |
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/** |
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* Cache hit occured |
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*/ |
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public function hit() { |
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$this->hits++; |
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} |
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/** |
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* Deletes the specified cache or each one if '' given |
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* |
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* @param string $name cache name |
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* |
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* @return bool |
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*/ |
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public function delete($name = '') { |
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if ($name == '') { |
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return $this->provider->flush(); |
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} else { |
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return $this->provider->delete($this->prefix . $name); |
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} |
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} |
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/** |
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* Retrieves information of Cache state |
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* |
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* @param bool $getFields |
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* |
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* @return array |
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*/ |
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public function info($getFields = false) { |
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$info = array(); |
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$className = explode('\\', get_class($this)); |
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$info['CACHE_TYPE'] = end($className); |
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$info['CACHE_HITS'] = $this->hits; |
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$info['CACHE_MISSES'] = $this->misses; |
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$info = array_merge($info, call_user_func(array($this->provider, $this->infoMethod))); |
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if ($getFields) { |
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foreach ($this->fields as $field) { |
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$info['field_content'][$field] = $this->get($field); |
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} |
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} |
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return $info; |
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} |
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/** |
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* Retrieves cache hits |
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* |
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* @return int |
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*/ |
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public function getHits() { |
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return $this->hits; |
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} |
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/** |
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* Retrieves cache misses |
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* |
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* @return int |
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*/ |
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public function getMisses() { |
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return $this->misses; |
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} |
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/** |
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* Stores cache name |
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* |
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* @param string $name |
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*/ |
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protected function storeName($name) { |
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if (!in_array($name, $this->fields)) { |
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$this->fields[] = $name; |
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} |
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} |
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153
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} |
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kemist80 /
Cache
