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<?php
namespace PhpConsole\Storage;
use PhpConsole\Storage;
/**
* Abstract class for stores that manipulates with all keys data in memory
*
* @package PhpConsole
* @version 3.1
* @link http://consle.com
* @author Sergey Barbushin http://linkedin.com/in/barbushin
* @copyright © Sergey Barbushin, 2011-2013. All rights reserved.
* @license http://www.opensource.org/licenses/BSD-3-Clause "The BSD 3-Clause License"
*/
abstract class AllKeysList extends Storage {
/**
* Get all postponed keys data
* @return array
*/
abstract protected function getKeysData();
/**
* Save all postponed keys data
* @param array $keysData
*/
abstract protected function saveKeysData(array $keysData);
/**
* Get postponed data from storage and delete
* @param string $key
* @return string
*/
public function pop($key) {
$keysData = $this->getKeysData();
if(isset($keysData[$key])) {
$keyData = $keysData[$key]['data'];
unset($keysData[$key]);
$this->saveKeysData($keysData);
return $keyData;
}
}
/**
* Save postponed data to storage
* @param string $key
* @param string $data
*/
public function push($key, $data) {
$keysData = $this->getKeysData();
$this->clearExpiredKeys($keysData);
$keysData[$key] = array(
'time' => time(),
'data' => $data
);
$this->saveKeysData($keysData);
}
/**
* Remove postponed data that is out of limit
* @param array $keysData
*/
protected function clearExpiredKeys(array &$keysData) {
$expireTime = time() - $this->keyLifetime;
foreach($keysData as $key => $item) {
if($item['time'] < $expireTime) {
unset($keysData[$key]);
}
}
}
}