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<?php |
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/** |
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* AppserverIo\Storage\MemcachedStorage |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://github.com/appserver-io/storage |
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* @link http://www.appserver.io |
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*/ |
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namespace AppserverIo\Storage; |
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/** |
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* A Memcached storage implementation. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2015 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link http://github.com/appserver-io/storage |
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* @link http://www.appserver.io |
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*/ |
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class MemcachedStorage extends AbstractStorage implements MemcachedStorageInterface |
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{ |
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/** |
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* Array that contains servers the storage is bound to. |
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* |
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* @var array |
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*/ |
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protected $servers = array(); |
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/** |
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* Adds an server to the internal list with servers this storage |
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* is bound to, used by MemcachedStorage for example. |
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* |
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* @param string $host The server host |
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* @param integer $port The server port |
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* @param integer $weight The weight the server has |
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* |
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* @return void |
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* @see \AppserverIo\Storage\StorageInterface::addServer() |
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*/ |
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public function addServer($host, $port, $weight) |
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{ |
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$this->servers[] = array($host, $port, $weight); |
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} |
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/** |
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* Returns the list with servers this storage is bound to. |
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* |
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* @return array The server list |
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* @see \AppserverIo\Storage\StorageInterface::getServers() |
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*/ |
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public function getServers() |
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{ |
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return $this->servers; |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @return void |
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* @see AppserverIo\Storage\AbstractStorage::init(); |
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*/ |
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public function init() |
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{ |
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// inject the \Memcached storage |
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$this->injectStorage(new \Memcached(__CLASS__)); |
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// initialize the storage |
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$serverList = $this->storage->getServerList(); |
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if (empty($serverList)) { |
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$this->storage->setOption(\Memcached::OPT_LIBKETAMA_COMPATIBLE, true); |
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foreach ($this->getServers() as $server) { |
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list ($host, $port, $weight) = $server; |
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$this->storage->addServer($host, $port, $weight); |
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} |
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} |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @param string $entryIdentifier Something which identifies the data - depends on concrete cache |
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* @param mixed $data The data to cache - also depends on the concrete cache implementation |
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* @param array $tags Tags to associate with this cache entry |
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* @param integer $lifetime Lifetime of this cache entry in seconds. If NULL is specified, |
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* the default lifetime is used. "0" means unlimited lifetime. |
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* |
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* @return void |
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* @see \AppserverIo\Storage\StorageInterface::set() |
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*/ |
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public function set($entryIdentifier, $data, array $tags = array(), $lifetime = null) |
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{ |
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// add the passed value to the storage |
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$this->storage->set($entryIdentifier, $data, $lifetime); |
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// if tags has been set, tag the data additionally |
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foreach ($tags as $tag) { |
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$tagData = $this->get($tag); |
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if (is_array($tagData) && in_array($entryIdentifier, $tagData, true) === true) { |
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// do nothing here |
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} elseif (is_array($tagData) && in_array($entryIdentifier, $tagData, true) === false) { |
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$tagData[] = $entryIdentifier; |
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} else { |
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$tagData = array($entryIdentifier); |
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} |
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$this->storage->set($tag, $tagData); |
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} |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @param string $entryIdentifier Something which identifies the cache entry - depends on concrete cache |
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* |
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* @return mixed |
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* @see \AppserverIo\Storage\StorageInterface::get() |
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*/ |
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public function get($entryIdentifier) |
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{ |
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return $this->storage->get($entryIdentifier); |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @param string $entryIdentifier An identifier specifying the cache entry |
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* |
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* @return boolean TRUE if such an entry exists, FALSE if not |
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* @see \AppserverIo\Storage\StorageInterface::remove() |
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*/ |
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public function remove($entryIdentifier) |
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{ |
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$this->storage->delete($entryIdentifier); |
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} |
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/** |
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* (non-PHPdoc) |
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* |
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* @return array |
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* @see \AppserverIo\Storage\StorageInterface::getAllKeys() |
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*/ |
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public function getAllKeys() |
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{ |
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$this->storage->getAllKeys(); |
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} |
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} |
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appserver-io /
storage
