ArrayDataProvider::setItemProvider

protected function setItemProvider($itemKey, $itemProvider, $itemTitle = '')
{
	if(DataProviderManager::getInstance()->checkProviderName($itemProvider))
	{
		if(is_object($itemProvider))
		{
			$this->itemProvider = get_class($itemProvider);
		}
		else
		{
			$this->itemProvider = $itemProvider;
		}
		$this->itemKey = $itemKey;
		$this->itemTitle = $itemTitle;
	}
	else
	{
		throw new ArgumentTypeException('itemProvider');
	}
}