<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Config\Resource;
/**
* FileExistenceResource represents a resource stored on the filesystem.
* Freshness is only evaluated against resource creation or deletion.
*
* The resource can be a file or a directory.
*
* @author Charles-Henri Bruyand <[email protected]>
*
* @final
*/
class FileExistenceResource implements SelfCheckingResourceInterface
{
private $resource;
private $exists;
/**
* @param string $resource The file path to the resource
*/
public function __construct(string $resource)
{
$this->resource = $resource;
$this->exists = file_exists($resource);
}
/**
* {@inheritdoc}
*/
public function __toString(): string
{
return $this->resource;
}
/**
* @return string The file path to the resource
*/
public function getResource(): string
{
return $this->resource;
}
/**
* {@inheritdoc}
*/
public function isFresh(int $timestamp): bool
{
return file_exists($this->resource) === $this->exists;
}
}