/**
* 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);
}