public List generateRandomConcerts()

in google-cloud-spanner-hibernate-samples/spring-data-jpa-full-sample/src/main/java/com/google/cloud/spanner/sample/service/ConcertService.java [82:105]

• 23 lines of code
• 3 McCabe index (conditional complexity)

  public List<Concert> generateRandomConcerts(List<Singer> singers, List<Venue> venues, int count) {
    Random random = new Random();

    List<Concert> concerts = new ArrayList<>(count);
    for (int i = 0; i < count; i++) {
      Concert concert = new Concert();
      concert.setName(randomDataService.getRandomConcertName());
      concert.setSinger(singers.get(random.nextInt(singers.size())));
      concert.setVenue(venues.get(random.nextInt(venues.size())));
      concert.setStartTime(
          OffsetDateTime.of(
              random.nextInt(30) + 1995,
              random.nextInt(12) + 1,
              random.nextInt(28) + 1,
              random.nextInt(24),
              random.nextBoolean() ? 0 : 30,
              0,
              0,
              ZoneOffset.ofHours(random.nextInt(24) - 12)));
      concert.setEndTime(concert.getStartTime().plus(Duration.ofHours(random.nextInt(6) + 1)));
      concerts.add(concert);
    }
    return repository.saveAll(concerts);
  }