Simple helper to implement retry logic

Retry.cs

using System;
using System.Collections.Generic;
using System.Threading;

/// <summary>
/// Simple helper to implement retry logic
/// </summary>
/// <example>
/// // Retry 5 times with a break of 30 seconds.
/// Retry.Do(() => MyMethod(), TimeSpan.FromSeconds(30), 5)
/// </example>
/// <remarks>
/// Original source: 
/// LBuschkin on Oct 13 '09 
/// http://stackoverflow.com/a/1563234/3451056
/// </remarks>
public static class Retry
{
    public static void Do(Action action, TimeSpan retryInterval, int retryCount = 3)
    {
        Do<object>(() =>
        {
            action();
            return null;
        }, retryInterval, retryCount);
    }

    public static T Do<T>(Func<T> action, TimeSpan retryInterval, int retryCount = 3)
    {
        var exceptions = new List<Exception>();

        for (var retry = 0; retry < retryCount; retry++)
        {
            try
            {
                if (retry > 0) Thread.Sleep(retryInterval);
                return action();
            }
            catch (Exception ex)
            {
                exceptions.Add(ex);
            }
        }

        throw new AggregateException(exceptions);
    }
}