Method onNext

stub/src/main/java/io/grpc/stub/StreamObserver.java:62–62

Receives a value from the stream. Can be called many times but is never called after #onError(Throwable) or #onCompleted() are called. Unary calls must invoke onNext at most once. Clients may invoke onNext at most once for server streaming calls, but may receive many onNext

(V value)

   * @param value the value passed to the stream
   */
  void onNext(V value);

  /**
   * Receives a terminating error from the stream.