@Override
      public void onCompleted() {
        try {
          subscriber.onCompleted();
        } catch (Exception e) {
          // catch this
        }
      }
Created by rayt on 11/2/16.
Thanks Mark (@mp911de) for helping out on this example!
streaming-example/streaming-client/src/main/java/com/example/grpc/client/AverageOnSubscribe.java