/**
* driver initialisation
*
* @access public
* @return void
*/
public function init()
{
// generic driver initialisation
parent::init();
if ($this->redis === false) {
// get the redis database instance
$this->redis = \Redis_Db::instance($this->config['database']);
}
}
public function __construct($identifier, $config)
{
parent::__construct($identifier, $config);
$this->config = isset($config['redis']) ? $config['redis'] : array();
// make sure we have a redis id
$this->config['cache_id'] = $this->_validate_config('cache_id', isset($this->config['cache_id']) ? $this->config['cache_id'] : 'fuel');
// check for an expiration override
$this->expiration = $this->_validate_config('expiration', isset($this->config['expiration']) ? $this->config['expiration'] : $this->expiration);
// make sure we have a redis database configured
$this->config['database'] = $this->_validate_config('database', isset($this->config['database']) ? $this->config['database'] : 'default');
if (static::$redis === false) {
// get the redis database instance
try {
static::$redis = \Redis_Db::instance($this->config['database']);
} catch (\Exception $e) {
throw new \FuelException('Can not connect to the Redis engine. The error message says "' . $e->getMessage() . '".');
}
// get the redis version
preg_match('/redis_version:(.*?)\\n/', static::$redis->info(), $info);
if (version_compare(trim($info[1]), '1.2') < 0) {
throw new \FuelException('Version 1.2 or higher of the Redis NoSQL engine is required to use the redis cache driver.');
}
}
}
