@Override
    public void shutdown() throws LifeCycleException {
        super.shutdown();

        scheduledService.shutdown();
    }
Scanner is used to do scan task.

@author jiangping
@version $Id: RpcTaskScanner.java, v 0.1 Mar 4, 2016 3:30:52 PM tao Exp $
src/main/java/com/alipay/remoting/rpc/RpcTaskScanner.java