/**
* 更新一条数据
*
* @param Data $data
* @param IStorage $storage
* @access protected
* @return boolean
*/
protected function doUpdate(Data $data, IStorage $storage = null, $collection = null)
{
$meta = $this->getMeta();
$this->getStorage()->update($meta->getCollection(), array($meta->getPrimaryKey() => $data->id()), array('$set' => $this->propsToRecord($data->toArray())), array('safe' => true));
return true;
}
