private static T PerformAction <T>(RetryActionWithParametersAndResult <T> action, TimeSpan retryInterval, int retryLimit, RetryPolicy retryPolicy, RetryPolicyOptions retryPolicyOptions, Action <Exception, int, int> onFailure, Func <bool> mustReturnTrueBeforeFail, params Type[] exceptionTypes) { var exceptions = new List <Exception>(); var startTime = DateTime.Now; var retryIteration = 0; do { try { // invoke the action return(action(retryIteration, retryLimit)); } catch (Exception ex) { exceptions.Add(ex); HandleException(ex, startTime, retryInterval, retryIteration, retryLimit, retryPolicy, retryPolicyOptions, onFailure, exceptionTypes); } retryIteration++; } while (MustContinue(mustReturnTrueBeforeFail) || retryIteration < retryLimit); throw new RetryTimeoutException(exceptions, retryLimit); }
/// <summary> /// Perform a synchronous retry up to the maximum specified limit /// </summary> /// <typeparam name="T"></typeparam> /// <param name="action">The Action to call that will be retried until successful.</param> /// <param name="retryInterval">How often to perform the retry.</param> /// <param name="retryLimit">The maximum number of times to retry</param> /// <param name="onFailure">Will be called upon an exception thrown</param> /// <param name="retryPolicy">The retry policy to apply</param> /// <param name="retryPolicyOptions">The options to provide your retry policy</param> /// <param name="mustReturnTrueBeforeFail">Must evaluate to true for retry to fail</param> /// <param name="exceptionTypes">A list of exceptions that will be retried gracefully. All other exceptions will be rethrown.</param> /// <exception cref="RetryTimeoutException"></exception> /// <returns></returns> public static T Do <T>(RetryActionWithParametersAndResult <T> action, TimeSpan retryInterval, int retryLimit, RetryPolicy retryPolicy, RetryPolicyOptions retryPolicyOptions, Action <Exception, int, int> onFailure, Func <bool> mustReturnTrueBeforeFail, params Type[] exceptionTypes) => PerformAction((x, y) => action.Invoke(x, y), retryInterval, retryLimit, retryPolicy, retryPolicyOptions, onFailure, mustReturnTrueBeforeFail, exceptionTypes);
/// <summary> /// Perform an synchronous retry up to the maximum specified limit /// </summary> /// <typeparam name="T"></typeparam> /// <param name="action"></param> /// <param name="retryInterval">How often to perform the retry.</param> /// <param name="retryLimit">The maximum number of times to retry</param> /// <param name="retryPolicy">The retry policy to apply</param> /// <param name="retryPolicyOptions">Options to specify further configuration for a retry policy</param> /// <exception cref="RetryTimeoutException"></exception> /// <returns></returns> public static T Do <T>(RetryActionWithParametersAndResult <T> action, TimeSpan retryInterval, int retryLimit, RetryPolicy retryPolicy, RetryPolicyOptions retryPolicyOptions) => Do(action, retryInterval, retryLimit, retryPolicy, retryPolicyOptions, null, null);
/// <summary> /// Perform an synchronous retry up to the maximum specified limit /// </summary> /// <typeparam name="T"></typeparam> /// <param name="action"></param> /// <param name="retryInterval">How often to perform the retry.</param> /// <param name="retryLimit">The maximum number of times to retry</param> /// <param name="exceptionTypes">A list of exceptions that will be retried gracefully. All other exceptions will be rethrown.</param> /// <exception cref="RetryTimeoutException"></exception> /// <returns></returns> public static T Do <T>(RetryActionWithParametersAndResult <T> action, TimeSpan retryInterval, int retryLimit, params Type[] exceptionTypes) => Do(action, retryInterval, retryLimit, RetryPolicy.StaticDelay, RetryPolicyOptions.None, null, null, exceptionTypes);
/// <summary> /// Perform an synchronous retry up to the maximum specified limit /// </summary> /// <param name="action"></param> /// <param name="retryInterval">How often to perform the retry.</param> /// <param name="retryLimit">The maximum number of times to retry</param> /// <param name="onFailure">Will be called upon an exception thrown</param> /// <exception cref="RetryTimeoutException"></exception> public static T Do <T>(RetryActionWithParametersAndResult <T> action, TimeSpan retryInterval, int retryLimit, Action <Exception, int, int> onFailure) => Do(action, retryInterval, retryLimit, RetryPolicy.StaticDelay, RetryPolicyOptions.None, onFailure, null);
/// <summary> /// Perform an synchronous retry up to the maximum specified limit /// </summary> /// <typeparam name="T"></typeparam> /// <param name="action"></param> /// <param name="retryLimit">The maximum number of times to retry</param> /// <exception cref="RetryTimeoutException"></exception> /// <returns></returns> public static T Do <T>(RetryActionWithParametersAndResult <T> action, int retryLimit) => Do(action, DefaultRetryInterval, retryLimit, RetryPolicy.StaticDelay, RetryPolicyOptions.None, null, null);