/usr/share/php/Horde/Cache/Storage/Base.php is in php-horde-cache 2.5.2-1build1.
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/**
* Copyright 2010-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Horde
* @copyright 2010-2016 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Cache
*/
/**
* The abstract implementation of the cache storage driver.
*
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2010-2016 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Cache
*/
abstract class Horde_Cache_Storage_Base implements Serializable
{
/**
* Logger.
*
* @var Horde_Log_Logger
*/
protected $_logger;
/**
* Parameters.
*
* @var array
*/
protected $_params = array();
/**
* Constructor.
*
* @param array $params Configuration parameters.
*/
public function __construct(array $params = array())
{
$this->_params = array_merge($this->_params, $params);
$this->_initOb();
}
/**
* Do initialization tasks.
*/
protected function _initOb()
{
}
/**
* Set the logging object.
*
* @param Horde_Log_Logger $logger Log object.
*/
public function setLogger($logger)
{
$this->_logger = $logger;
}
/**
* Retrieve cached data.
*
* @param string $key Object ID to query.
* @param integer $lifetime Lifetime of the object in seconds.
*
* @return mixed Cached data, or false if none was found.
*/
abstract public function get($key, $lifetime = 0);
/**
* Store an object in the cache.
*
* @param string $key Object ID used as the caching key.
* @param mixed $data Data to store in the cache.
* @param integer $lifetime Object lifetime - i.e. the time before the
* data becomes available for garbage
* collection. If 0 will not be GC'd.
*/
abstract public function set($key, $data, $lifetime = 0);
/**
* Checks if a given key exists in the cache, valid for the given
* lifetime.
*
* @param string $key Cache key to check.
* @param integer $lifetime Lifetime of the key in seconds.
*
* @return boolean Existence.
*/
abstract public function exists($key, $lifetime = 0);
/**
* Expire any existing data for the given key.
*
* @param string $key Cache key to expire.
*
* @return boolean Success or failure.
*/
abstract public function expire($key);
/**
* Clears all data from the cache.
*
* @throws Horde_Cache_Exception
*/
abstract public function clear();
/* Serializable methods. */
/**
*/
public function serialize()
{
return serialize(array(
$this->_params,
$this->_logger
));
}
/**
*/
public function unserialize($data)
{
@list($this->_params, $this->_logger) = @unserialize($data);
$this->_initOb();
}
}
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