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<?
/**
* Bitrix Framework
* @package bitrix
* @subpackage tasks
* @copyright 2001-2016 Bitrix
*/
namespace Bitrix\Tasks\Item;
use Bitrix\Tasks\Util\Type;
use Bitrix\Tasks\Item;
class Collection extends \Bitrix\Tasks\Util\Collection
{
private $idIndex = null;
/**
* @throws \Bitrix\Main\NotImplementedException
* @return Item
*/
protected static function getItemClass()
{
throw new \Bitrix\Main\NotImplementedException('No default item class');
}
protected function onChange()
{
$this->idIndex = null;
parent::onChange();
}
public function getItemById($id)
{
$index = $this->getIdCache();
return $index[$id][1];
}
public function getItemIndexById($id)
{
$index = $this->getIdCache();
return $index[$id][0];
}
public function containsId($id)
{
return array_key_exists($id, $this->getIdCache());
}
private function getIdCache()
{
if($this->idIndex === null)
{
$this->idIndex = array();
foreach($this->values as $k => $item)
{
$itemId = $item->getId();
if($itemId)
{
$this->idIndex[$itemId] = array($k, $item);
}
}
}
return $this->idIndex;
}
}