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<?php |
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/** |
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* Memcached.php |
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* |
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* @category AngryBytes |
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* @package Cache |
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* @subpackage Adapter |
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* @copyright Copyright (c) 2010 Angry Bytes BV (http://www.angrybytes.com) |
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*/ |
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namespace AngryBytes\Cache\Adapter; |
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use AngryBytes\Cache\Adapter; |
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use AngryBytes\Cache\ResultNotFound; |
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use AngryBytes\Cache\Adapter\Memcached\AdapterInterface as MemcachedAdapterInterface; |
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use AngryBytes\Cache\Adapter\Memcached\Adapter as MemcachedAdapter; |
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use \Exception as Exception; |
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/** |
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* Memcached |
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* |
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* Simple memcached adapter for AngryBytes\Cache. |
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* |
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* Does not use any of the more advanced functions such as CAS and deferred |
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* loading. Allows multiple servers to be added through addServer(). |
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* |
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* @category AngryBytes |
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* @package Cache |
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* @subpackage Adapter |
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*/ |
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class Memcached extends Adapter |
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{ |
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/** |
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* Memcached adapter |
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* |
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* @var MemcachedAdapterInterface |
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**/ |
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private $memcached; |
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/** |
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* Constructor |
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* |
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* @param mixed $persistentId By default the Memcached instances are destroyed at the end of the request. |
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* To create an instance that persists between requests, use $persistentId to |
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* specify a unique ID for the instance. All instances created with the same |
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* $persistentId will share the same connection. |
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* @return void |
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**/ |
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public function __construct($persistentId = null) |
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{ |
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// Init the adapter |
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$this->setMemcached( |
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new MemcachedAdapter($persistentId) |
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); |
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} |
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/** |
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* Get the memcached adapter |
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* |
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* @return MemcachedAdapterInterface |
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*/ |
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public function getMemcached() |
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{ |
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return $this->memcached; |
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} |
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/** |
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* Set the memcached adapter |
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* |
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* @param MemcachedAdapterInterface $memcached |
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* @return Memcached |
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*/ |
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public function setMemcached(MemcachedAdapterInterface $memcached) |
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{ |
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$this->memcached = $memcached; |
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return $this; |
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} |
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/** |
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* Add a server |
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* |
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* @param string $host |
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* @param int $port |
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* @param int $weight |
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* @return Memcached |
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**/ |
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public function addServer($host, $port, $weight = 0) |
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{ |
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$this->getMemcached()->addServer($host, $port, $weight); |
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return $this; |
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} |
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/** |
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* Save some data |
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* |
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* @param string $data |
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* @param string $id |
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* @param int $lifeTime lifetime in seconds |
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* @return bool |
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**/ |
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public function save($data, $id, $lifeTime) |
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{ |
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return $this->getMemcached()->set($id, $data, $lifeTime); |
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} |
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/** |
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* Load an item from the cache |
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* |
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* @param string $id |
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* @return mixed|ResultNotFound |
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**/ |
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public function load($id) |
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{ |
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$result = $this->getMemcached()->get($id); |
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if ($this->getMemcached()->getResultCode() !== MemcachedAdapter::RES_SUCCESS) { |
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return new ResultNotFound($id); |
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} |
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return $result; |
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} |
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/** |
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* Delete an item from the cache |
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* |
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* @param string $id |
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* @return bool |
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**/ |
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public function delete($id) |
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{ |
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return $this->getMemcached()->delete($id); |
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} |
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} |
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AngryBytes /
cache
Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.