retry<R> method

Future<R> retry<R>(Future<R> body())

Executa body, repetindo conforme estas opções.

Implementation

Future<R> retry<R>(Future<R> Function() body) async {
  var attempt = 1;
  var wait = delay;
  final accept = retryIf ?? defaultRetryIf;
  while (true) {
    try {
      return await body();
    } catch (e) {
      if (attempt >= maxAttempts || !accept(e)) rethrow;
    }
    attempt++;
    await Future<void>.delayed(wait);
    final next = wait * backoffFactor;
    wait = next > maxDelay ? maxDelay : next;
  }
}