RetryInterceptor constructor

RetryInterceptor({ required Dio dio, void logPrint(String message)?, int retries = 3, List<Duration> retryDelays = const [Duration(seconds: 1), Duration(seconds: 3), Duration(seconds: 5)], RetryEvaluator? retryEvaluator, bool ignoreRetryEvaluatorExceptions = false, Set<int> retryableExtraStatuses = const {}, })

Creates a RetryInterceptor.

dio is the original dio instance. logPrint is an optional function for logging. retries is the maximum number of retry attempts. retryDelays is the list of durations between retry attempts. retryEvaluator is an optional function to evaluate retry conditions. ignoreRetryEvaluatorExceptions if true, exceptions from evaluator are ignored. retryableExtraStatuses additional HTTP statuses that should trigger a retry.

Implementation

RetryInterceptor({
  required this.dio,
  this.logPrint,
  this.retries = 3,
  this.retryDelays = const [
    Duration(seconds: 1),
    Duration(seconds: 3),
    Duration(seconds: 5),
  ],
  RetryEvaluator? retryEvaluator,
  this.ignoreRetryEvaluatorExceptions = false,
  this.retryableExtraStatuses = const {},
}) : _retryEvaluator = retryEvaluator ??
          DefaultRetryEvaluator({
            ...defaultRetryableStatuses,
            ...retryableExtraStatuses,
          }).evaluate {
  if (retryEvaluator != null && retryableExtraStatuses.isNotEmpty) {
    throw ArgumentError(
      '[retryableExtraStatuses] works only if [retryEvaluator] is null.'
          ' Set either [retryableExtraStatuses] or [retryEvaluator].'
          ' Not both.',
      'retryableExtraStatuses',
    );
  }
  if (retries < 0) {
    throw ArgumentError(
      '[retries] cannot be less than 0',
      'retries',
    );
  }
}