/**
* Class constructor
*
* Creates a new MongoDB logger using [\Gleez\Mango\Client]
*
* Example:<br>
* <code>
* $writer = new Log_Mango($collection);
* </code>
*
* @param string $collection Collection name [Optional]
* @param string $name Database instance name [Optional]
*
* @throws \Gleez\Mango\Exception
*/
public function __construct($collection = 'logs', $name = 'default')
{
$this->collection = $collection;
$this->name = $name;
// Getting Mango instance
$this->db = Client::instance($this->name);
}
/**
* Constructs the Mango cache driver
*
* The Mango cache driver must be instantiated using the [Cache::instance] method.
*
* [!!] Note: This method cannot be invoked externally.
*
* @param array $config Config for Mango cache driver
*
* @uses Arr::merge
* @uses Mango::$default
* @uses Mango::instance
* @uses Mango::__get
* @uses Cache::config
* @uses Cache::DEFAULT_EXPIRE
*/
public function __construct(array $config)
{
// Set default config
$default = array('driver' => 'mango', 'group' => Client::$default, 'collection' => 'cache', 'default_expire' => Cache::DEFAULT_EXPIRE);
// Merge config
$this->config(Arr::merge($default, $config));
// Create default prefix
$this->_config['prefix'] = isset($config['prefix']) ? $config['prefix'] . self::SEPARATOR : NULL;
// Get collection name
$collection = $this->config('collection');
// Get \Gleez\Mango\Collection instance
$this->collection = Client::instance($this->config('group'))->{$collection};
}
/**
* Garbage collection
*
* @throws Session_Exception
*/
protected function _gc()
{
if ($this->_lifetime) {
// Expire sessions when their lifetime is up
$expires = $this->_lifetime;
} else {
// Expire sessions after one month
$expires = Date::MONTH;
}
$expired = __('this.:column < :time', array(':column' => $this->_columns['last_active'], ':time' => time() - $expires));
try {
$this->_collection->safeRemove(array('$where' => $expired));
} catch (MongoException $e) {
throw new Session_Exception('Cannot delete old sessions :err', array(':err' => $e->getMessage()));
} catch (Exception $e) {
throw new Session_Exception('Cannot delete old sessions :err', array(':err' => $this->_db->lastError()));
}
}
/**
* Get the Mango instance used for this collection
*
* @since 0.3.0 Initial Mango_Collection::getDB method
* @since 0.7.0 Renamed to Mango_Collection::getMangoInstance
* @since 1.0.0 Renamed to \Gleez\Mango\Collection::getClientInstance
*
* @return \Gleez\Mango\Client
*
* @uses \Gleez\Mango\Client::instance
*/
public function getClientInstance()
{
return Client::instance($this->db);
}
/**
* Gets the collection name
*
* @return string
*/
public function getCollectionClass()
{
return Client::instance()->getCollectionClass();
}