Method getGeneration

lib/cpp/test/processor/Handlers.h:41–45

  }

  int32_t getGeneration() override {
    concurrency::Guard g(mutex_);
    log_->append(EventLog::ET_CALL_GET_GENERATION, 0, 0);
    return generation_;
  }

  void addString(const std::string& s) override {
    concurrency::Guard g(mutex_);