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<?php
/*
* This file is part of the webmozart/key-value-store package.
*
* (c) Bernhard Schussek <bschussek@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Webmozart\KeyValueStore\Decorator;
use Webmozart\KeyValueStore\Api\SortableStore;
/**
* A sortable decorator implementing a sort system for any store.
*
* @since 1.0
*
* @author Bernhard Schussek <bschussek@gmail.com>
* @author Titouan Galopin <galopintitouan@gmail.com>
*/
class SortableDecorator extends AbstractDecorator implements SortableStore
{
/**
* @var int
*/
private $flags;
/**
* {@inheritdoc}
*/
public function sort($flags = SORT_REGULAR)
{
$this->flags = $flags;
}
/**
* {@inheritdoc}
*/
public function set($key, $value)
{
$this->flags = null;
$this->store->set($key, $value);
}
/**
* {@inheritdoc}
*/
public function keys()
{
$keys = $this->store->keys();
if (null !== $this->flags) {
sort($keys, $this->flags);
}
return $keys;
}
}