Method addAttribute

libminifi/src/core/FlowFile.cpp:184–193

}

bool FlowFile::addAttribute(const std::string& key, const std::string& value) {
  auto it = attributes_.find(key);
  if (it != attributes_.end()) {
    // attribute already there in the map
    return false;
  } else {
    attributes_[key] = value;
    return true;
  }
}

void FlowFile::setLineageStartDate(const uint64_t date) {
  lineage_start_date_ = date;