Current File : /home/bitrix/www/bitrix/modules/iblock/lib/inheritedproperty/valuesqueue.php
<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage iblock
*/
namespace Bitrix\Iblock\InheritedProperty;
class ValuesQueue
{
/** var array[intger][integer]false|array */
protected $db_values = array();
/** @var array[string]ValuesQueue */
protected static $queues = array();
/**
* Returns a queue instance by the key provided.
* Creates new instance if first time called for the given key.
*
* @param string $key Queue identifier.
*
* @return ValuesQueue
*/
public static function getInstance($key)
{
if (!isset(self::$queues[$key]))
self::$queues[$key] = new ValuesQueue();
return self::$queues[$key];
}
/**
* Clears all the queues.
*
* @return void
*/
public static function deleteAll()
{
foreach (self::$queues as $queue)
{
$queue->db_values = array();
}
}
/**
* Returns the queue elements for the given iblock
* which were not queried from the database.
*
* @param integer $iblockId Iblock identifier.
*
* @return array[integer]integer
*/
public function get($iblockId)
{
$ids = array();
foreach ($this->db_values[$iblockId] as $id => $loaded)
{
if ($loaded === false)
$ids[$id] = intval($id);
}
return $ids;
}
/**
* Stores the values for queue elements for future reference.
* Missing elements are assigned empty arrays.
*
* @param integer $iblockId Iblock identifier.
* @param array[integer]array $values Values from the database.
*
* @return void
*/
public function set($iblockId, $values)
{
foreach ($this->db_values[$iblockId] as $id => $loaded)
{
if (isset($values[$id]))
$this->db_values[$iblockId][$id] = $values[$id];
else
$this->db_values[$iblockId][$id] = array();
}
}
/**
* Puts an element into the queue.
*
* @param integer $iblockId Iblock identifier.
* @param integer $id Element identifier.
*
* @return void
*/
public function addElement($iblockId, $id)
{
if (!isset($this->db_values[$iblockId]))
{
$this->db_values[$iblockId] = array();
}
if (!isset($this->db_values[$iblockId][$id]))
{
$this->db_values[$iblockId][$id] = false;
}
}
/**
* Removes an element from the queue.
*
* @param integer $iblockId Iblock identifier.
* @param integer $id Element identifier.
*
* @return void
*/
public function deleteElement($iblockId, $id)
{
unset($this->db_values[$iblockId][$id]);
}
/**
* Returns data of the element from the queue.
* False when element was not queried from the database.
* And null when element was not queued.
*
* @param integer $iblockId Iblock identifier.
* @param integer $id Element identifier.
*
* @return false|null|array
*/
public function getElement($iblockId, $id)
{
return $this->db_values[$iblockId][$id];
}
/**
* Stores the data for the element in the queue.
* Rewrites any existing value.
*
* @param integer $iblockId Iblock identifier.
* @param integer $id Element identifier.
* @param array $value A Value to be stored.
*
* @return void
*/
public function setElement($iblockId, $id, $value)
{
$this->db_values[$iblockId][$id] = $value;
}
}
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