public static boolean retry()

in validator/src/main/java/com/amazon/aoc/helpers/RetryHelper.java [34:59]

• 25 lines of code
• 5 McCabe index (conditional complexity)

  public static boolean retry(
      int retryCount, int sleepInMilliSeconds, boolean throwExceptionInTheEnd, Retryable retryable)
      throws Exception {
    Exception exceptionInTheEnd = null;
    int initialCount = retryCount;
    while (retryCount-- > 0) {
      try {
        log.info("retry attempt left : {} ", retryCount);
        retryable.execute();
        return true;
      } catch (Exception ex) {
        exceptionInTheEnd = ex;
        if (retryCount != 0) { // don't sleep before leave this loop
          log.info("retrying after {} seconds",
              TimeUnit.MILLISECONDS.toSeconds(sleepInMilliSeconds));
          TimeUnit.MILLISECONDS.sleep(sleepInMilliSeconds);
        }
      }
    }

    log.error("All {} retries exhausted", initialCount);
    if (throwExceptionInTheEnd) {
      throw exceptionInTheEnd;
    }
    return false;
  }