예제 #1
0
        private static MultiTryOptions <T> Validate <T>(Delegate function, MultiTryOptions <T> options)
        {
            if (function == null)
            {
                throw new ArgumentNullException(nameof(function), "MultiTry: function must be set!");
            }

            if (options == null)
            {
                options = MultiTryOptions <T> .Default;
            }

            options.Validate();
            return(options);
        }
예제 #2
0
        /// <summary>
        /// Retry action repeatedly
        /// <param name="action">Action to execute</param>
        /// <param name="options">Retry options. Can be null, see <see cref="MultiTryOptions"/> for defaults</param>
        /// </summary>
        public static void Try(Action action, MultiTryOptions options = null)
        {
            if (action == null)
            {
                throw new ArgumentNullException(nameof(action), "MultiTry: action must be set!");
            }

            if (options == null)
            {
                options = MultiTryOptions.Default;
            }

            options.Validate();

            var       i = 0;
            Exception lastException;

            do
            {
                try
                {
                    action.Invoke();
                    return;
                }
                catch (Exception ex) when(options.ExceptionFilter(ex))
                {
                    lastException = ex;

                    if (options.OnException?.Invoke(ex, i) == false)
                    {
                        break;
                    }
                }

                if (options.Delay > 0)
                {
                    Thread.Sleep(options.Delay);
                }

                i++;
            } while (i < options.TryCount);

            options.OnFinalFailure?.Invoke(lastException);
        }