<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Permissions\Acl\Assertion;
use Zend\Permissions\Acl\Acl;
use Zend\Permissions\Acl\Resource\ResourceInterface;
use Zend\Permissions\Acl\Role\RoleInterface;
interface AssertionInterface
{
/**
* Returns true if and only if the assertion conditions are met
*
* This method is passed the ACL, Role, Resource, and privilege to which the authorization query applies. If the
* $role, $resource, or $privilege parameters are null, it means that the query applies to all Roles, Resources, or
* privileges, respectively.
*
* @param Acl $acl
* @param RoleInterface $role
* @param ResourceInterface $resource
* @param string $privilege
* @return bool
*/
public function assert(Acl $acl, RoleInterface $role = null, ResourceInterface $resource = null, $privilege = null);
}