Dara Khosrowshahi, chief executive officer of Uber Technologies Inc also known as Uber who provide vehicles for rent., threatened to temporarily shut down service in California if it loses a drawn-out fight over a state law seeking to reclassify contractors as employees. Before then, Uber will continue a lengthy political and legal battle it has been waging since before the law was enacted this year. The company said it will appeal a court ruling Monday saying it must reclass