Exemplo n.º 1
0
 /**
  * Stores an exception encountered during RPC invocation so it can be passed back through to the
  * client.
  *
  * @param controller the controller instance provided by the client when calling the service
  * @param ioe the exception encountered
  */
 public static void setControllerException(RpcController controller, IOException ioe) {
   if (controller != null) {
     if (controller instanceof ServerRpcController) {
       ((ServerRpcController) controller).setFailedOn(ioe);
     } else {
       controller.setFailed(StringUtils.stringifyException(ioe));
     }
   }
 }
  public List<Result> call(IndexCoprocessorInMemService instance) throws IOException {
    ServerRpcController controller = new ServerRpcController();
    BlockingRpcCallback<IndexedQueryResponse> rpcCallback =
        new BlockingRpcCallback<IndexedQueryResponse>();
    instance.execIndexedQuery(controller, indexQuery, rpcCallback);

    IndexedQueryResponse response = rpcCallback.get();
    if (controller.failedOnException()) {
      throw controller.getFailedOn();
    }

    if (response.getResultCount() > 0) {
      List<ProtoResult> protoResultList = response.getResultList();
      List<Result> result; // = new ArrayList<Result>(protoResultList.size());
      result = Util.toResults(protoResultList);

      return result;
    }
    return new ArrayList<Result>(0);
  }