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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Cache\Adapters\Apcu;
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// ------------------------------------------------------------------------
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use O2System\Cache\Abstracts\AbstractAdapter;
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/**
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* Class Adapter
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*
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* @package O2System\Cache\Adapters\Apc
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*/
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abstract class Adapter extends AbstractAdapter
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{
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/**
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* Adapter::$platform
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*
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* Adapter Platform Name
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*
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* @var string
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*/
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protected $platform = 'APC User Cache (APCu)';
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// ------------------------------------------------------------------------
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/**
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* Adapter::connect
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*
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* @param array $config Cache adapter connection configuration.
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*
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* @return void
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*/
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public function connect(array $config)
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{
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$this->config = $config;
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// APCu adapter do not require further processing.
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::increment
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*
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* Increment a raw value offset.
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*
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* @param string $key Cache item key.
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* @param int $step Increment step to add.
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*
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* @return bool
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*/
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public function increment($key, $step = 1)
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{
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$success = false;
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apcu_inc($this->prefixKey . $key, $step, $success);
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return $success;
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::decrement
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*
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* Decrement a raw value offset.
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*
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* @param string $key Cache item key.
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* @param int $step Decrement step to add.
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*
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* @return mixed New value on success or FALSE on failure.
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*/
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public function decrement($key, $step = 1)
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{
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$success = false;
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apcu_dec($this->prefixKey . $key, $step, $success);
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return $success;
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::getInfo
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*
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* Gets item pool adapter info.
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*
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* @return mixed
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*/
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public function getInfo()
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{
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@list($limited) = func_get_args();
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return apcu_cache_info(@$limited);
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::getInfo
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*
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* Gets item pool adapter stats.
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*
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* @return mixed
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*/
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public function getStats()
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{
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@list($limited) = func_get_args();
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return apcu_sma_info(@$limited);
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}
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// ------------------------------------------------------------------------
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/**
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* Adapter::isSupported
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*
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* Checks if this adapter is supported on this system.
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*
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* @return bool Returns FALSE if not supported.
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*/
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public function isSupported()
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{
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return (bool)(extension_loaded('apcu') && ini_get('apc.enabled'));
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}
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/**
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* Adapter::isConnected
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*
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* Checks if this adapter has a successful connection.
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*
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* @return bool Returns FALSE if not supported.
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*/
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public function isConnected()
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{
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return (bool)function_exists('apcu_cache_info');
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}
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} |
o2system /
cache
