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<?php |
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/* |
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* This file is part of the Ariadne Component Library. |
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* |
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* (c) Muze <[email protected]> |
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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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namespace arc; |
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/** |
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* Class cache |
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* @package arc |
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* @requires \arc\path |
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* @requires \arc\context |
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*/ |
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class cache |
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{ |
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/** |
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* This method creates a new cache store ( \arc\cache\Store ) |
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* It will store the cache on disk in a folder defined by ARC_CACHE_DIR, or if not |
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* defined in the system temp dir under arc/cache/. |
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* @param string $prefix Optional. A prefix name or path for subsequent cache images |
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* @param mixed $timeout Optional. Number of seconds (int) or string parseable by strtotime. Defaults to 7200. |
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* @return cache\Store |
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* @throws ExceptionConfigError |
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*/ |
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public static function create($prefix = null, $timeout = 7200) |
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{ |
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if (!defined('ARC_CACHE_DIR')) { |
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define( 'ARC_CACHE_DIR', sys_get_temp_dir().'/arc/cache' ); |
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} |
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if (!file_exists( ARC_CACHE_DIR )) { |
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@mkdir( ARC_CACHE_DIR, 0770, true ); |
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} |
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if (!file_exists( ARC_CACHE_DIR )) { |
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throw new \arc\ExceptionConfigError('Cache Directory does not exist ( '.ARC_CACHE_DIR.' )', \arc\exceptions::CONFIGURATION_ERROR); |
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} |
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if (!is_dir( ARC_CACHE_DIR )) { |
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throw new \arc\ExceptionConfigError('Cache Directory is not a directory ( '.ARC_CACHE_DIR.' )', \arc\exceptions::CONFIGURATION_ERROR); |
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} |
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if (!is_writable( ARC_CACHE_DIR )) { |
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throw new \arc\ExceptionConfigError('Cache Directory is not writable ( '.ARC_CACHE_DIR.' )', \arc\exceptions::CONFIGURATION_ERROR); |
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} |
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if (!$prefix) { // make sure you have a default prefix, so you won't clear other prefixes unintended |
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$prefix = 'default'; |
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} |
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$context = \arc\context::$context; |
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$fileStore = new cache\FileStore( ARC_CACHE_DIR . '/' . $prefix, $context->arcPath ); |
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return new cache\Store( $fileStore, $timeout ); |
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} |
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/** |
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* This method creates a new cache store, if one is not available in \arc\context yet, stores it in \arc\context |
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* and returns it. |
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* @return cache\Store |
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*/ |
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public static function getCacheStore() |
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{ |
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$context = \arc\context::$context; |
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if (!$context->arcCacheStore) { |
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$context->arcCacheStore = self::create(); |
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} |
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return $context->arcCacheStore; |
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} |
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/** |
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* This reroutes any static calls to \arc\cache to the cache store instance in \arc\context |
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* @param $name |
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* @param $args |
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* @return mixed |
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* @throws ExceptionMethodNotFound |
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*/ |
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public static function __callStatic($name, $args) |
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{ |
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$store = self::getCacheStore(); |
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if (method_exists( $store, $name )) { |
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return call_user_func_array( array( $store, $name), $args); |
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} else { |
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throw new \arc\ExceptionMethodNotFound('Method ' . $name . ' not found in Cache Store', \arc\exceptions::OBJECT_NOT_FOUND); |
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} |
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} |
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/** |
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* Creates a new caching proxy object for any given object. |
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* @param $object The object to cache |
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* @param mixed $cacheControl Either an integer with the number of seconds to cache stuff, or a closure that returns an int. |
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* The closure is called with one argument, an array with the following information: |
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* - target The cached object a method was called on. |
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* - method The method called |
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* - arguments The arguments to the method |
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* - output Any output generated by the method |
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* - result The result of the method |
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* @return cache\Proxy |
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*/ |
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public static function proxy($object, $cacheControl = 7200) |
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{ |
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return new cache\Proxy( $object, self::getCacheStore(), $cacheControl ); |
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} |
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} |
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Ariadne-CMS /
arc-cache
