Current File : //proc/985914/root/data/old/usr/share/php/Symfony/Component/Config/Resource/ResourceInterface.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Config\Resource;
/**
* ResourceInterface is the interface that must be implemented by all Resource classes.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
interface ResourceInterface
{
/**
* Returns a string representation of the Resource.
*
* This method is necessary to allow for resource de-duplication, for example by means
* of array_unique(). The string returned need not have a particular meaning, but has
* to be identical for different ResourceInterface instances referring to the same
* resource; and it should be unlikely to collide with that of other, unrelated
* resource instances.
*
* @return string A string representation unique to the underlying Resource
*/
public function __toString();
/**
* Returns true if the resource has not been updated since the given timestamp.
*
* @param int $timestamp The last time the resource was loaded
*
* @return bool True if the resource has not been updated, false otherwise
*
* @deprecated since 2.8, to be removed in 3.0. If your resource can check itself for
* freshness implement the SelfCheckingResourceInterface instead.
*/
public function isFresh($timestamp);
/**
* Returns the tied resource.
*
* @return mixed The resource
*
* @deprecated since 2.8, to be removed in 3.0. As there are many different kinds of resource,
* a single getResource() method does not make sense at the interface level. You
* can still call getResource() on implementing classes, probably after performing
* a type check. If you know the concrete type of Resource at hand, the return value
* of this method may make sense to you.
*/
public function getResource();
}
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