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<?php
/**
* Database observer interface.
*
* @package Silla.IO
* @subpackage Core\Modules\DB\Interfaces
* @author Kalin Stefanov <kalin@athlonsofia.com>
* @copyright Copyright (c) 2015, Silla.io
* @license http://opensource.org/licenses/GPL-3.0 GNU General Public License, version 3.0 (GPLv3)
*/
namespace Core\Modules\DB\Interfaces;
use Core;
/**
* Database observer interface definition.
*/
interface Observer
{
/**
* Attach method.
*
* @param Core\Base\Model $object Amended object.
* @param string $event Event name.
* @param string $callback Callback function name.
*
* @static
*
* @return void
*/
public static function on(Core\Base\Model $object, $event, $callback);
/**
* Detach method.
*
* @param Core\Base\Model $object Amended object.
* @param string $event Event name.
* @param string $callback Callback function name.
*
* @static
*
* @return void
*/
public static function detach(Core\Base\Model $object, $event, $callback);
/**
* Invocation method.
*
* @param Core\Base\Model $object Amended object.
* @param string $event Event name.
* @param array $arguments Additional arguments.
*
* @static
*
* @return void
*/
public static function fire(Core\Base\Model $object, $event, array $arguments = array());
}