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<?php |
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/** |
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* @license LGPLv3, http://opensource.org/licenses/LGPL-3.0 |
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* @copyright Metaways Infosystems GmbH, 2012 |
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* @copyright Aimeos (aimeos.org), 2015-2016 |
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* @package MW |
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* @subpackage Cache |
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*/ |
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namespace Aimeos\MW\Cache; |
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/** |
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* Void caching implementation. |
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* |
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* @package MW |
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* @subpackage Cache |
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*/ |
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class None |
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extends \Aimeos\MW\Cache\Base |
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implements \Aimeos\MW\Cache\Iface |
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{ |
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/** |
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* Removes the cache entry identified by the given key. |
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* |
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* @param string $key Key string that identifies the single cache entry |
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*/ |
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public function delete( $key ) |
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{ |
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} |
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/** |
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* Removes the cache entries identified by the given keys. |
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* |
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* @param iterable $keys List of key strings that identify the cache entries |
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* that should be removed |
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*/ |
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public function deleteMultiple( $keys ) |
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{ |
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} |
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/** |
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* Removes the cache entries identified by the given tags. |
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* |
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* @param array $tags List of tag strings that are associated to one or more |
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* cache entries that should be removed |
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*/ |
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public function deleteByTags( array $tags ) |
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{ |
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} |
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/** |
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* Removes all entries from the cache so it's completely empty. |
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* |
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* This method deletes all cached entries from the cache server the client |
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* has access to. This method is primarily usefull to provide a clean start |
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* before new entries are added to the cache and you don't know which |
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* entries are still in the cache. |
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* |
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* @throws \Aimeos\MW\Cache\Exception If the cache server doesn't respond |
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*/ |
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public function clear() |
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{ |
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} |
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/** |
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* Returns the value of the requested cache key. |
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* |
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* @param string $name Path to the requested value like tree/node/classname |
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* @param mixed $default Value returned if requested key isn't found |
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* @return mixed Value associated to the requested key |
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*/ |
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public function get( $name, $default = null ) |
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{ |
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return $default; |
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} |
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/** |
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* Returns the cached values for the given cache keys. |
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* |
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* @param iterable $keys List of key strings for the requested cache entries |
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* @param mixed $default Default value to return for keys that do not exist |
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* @return array Associative list of key/value pairs for the requested cache |
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* entries. If a cache entry doesn't exist, neither its key nor a value |
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* will be in the result list |
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*/ |
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public function getMultiple( $keys, $default = null ) |
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{ |
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$list = array(); |
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foreach( $keys as $key ) { |
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$list[$key] = $default; |
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} |
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return $list; |
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} |
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/** |
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* Returns the cached keys and values associated to the given tags. |
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* |
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* @param array $tags List of tag strings associated to the requested cache entries |
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* @return array Associative list of key/value pairs for the requested cache |
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* entries. If a tag isn't associated to any cache entry, nothing is returned |
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* for that tag |
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*/ |
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public function getMultipleByTags( array $tags ) |
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{ |
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return array(); |
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} |
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/** |
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* Sets the value for the specified key. |
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* |
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* @param string $key Key string for the given value like product/id/123 |
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* @param mixed $value Value string that should be stored for the given key |
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* @param int|string|null $expires Date/time string in "YYYY-MM-DD HH:mm:ss" |
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* format or as TTL value when the cache entry expires |
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* @param array $tags List of tag strings that should be assoicated to the |
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* given value in the cache |
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*/ |
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public function set( $key, $value, $expires = null, array $tags = array() ) |
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{ |
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} |
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/** |
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* Adds the given key/value pairs to the cache. |
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* |
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* @param iterable $pairs Associative list of key/value pairs. Both must be |
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* a string |
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* @param int|string|array $expires Associative list of keys and datetime |
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* string or integer TTL pairs. |
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* @param array $tags Associative list of key/tag or key/tags pairs that |
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* should be associated to the values identified by their key. The value |
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* associated to the key can either be a tag string or an array of tag strings |
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* @return null |
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* @throws \Aimeos\MW\Cache\Exception If the cache server doesn't respond |
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*/ |
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public function setMultiple( $pairs, $expires = null, array $tags = array() ) |
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{ |
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} |
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} |
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aimeos /
aimeos-core
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