Method sendVersion

src/RegionClient.java:2239–2243

Fetch the protocol version from the region server @param chan The channel to use for communications

(final Channel chan)

   * @param chan The channel to use for communications
   */
  void sendVersion(final Channel chan) {
    final GetProtocolVersionRequest rpc = new GetProtocolVersionRequest();
    rpc.getDeferred().addBoth(new ProtocolVersionCB(chan));
    Channels.write(chan, encode(rpc));
  }
}