Retry Class

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http://www.cnblogs.com/mszhangxuefei/p/worknotes-10.html

//Retry机制
    public static class Retry { /// <summary>
        /// 重试零个参数无返回值的方法 /// </summary>
        /// <param name="action">执行方法方法</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        public static void Execute(Action action, TimeSpan retryInterval, int retryCount = 3) { Execute<object>(() => { action(); return null; }, retryInterval, retryCount); } /// <summary>
        /// 重试一个参数无返回值的方法 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <param name="action">执行方法方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        public static void Execute<T1>(Action<T1> action, T1 arg1, TimeSpan retryInterval, int retryCount = 3) { Execute<T1, object>((x1) => { action(arg1); return null; }, arg1, retryInterval, retryCount); } /// <summary>
        /// 重试两个参数无返回值的方法 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <param name="action">执行方法方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        public static void Execute<T1, T2>(Action<T1, T2> action, T1 arg1, T2 arg2, TimeSpan retryInterval, int retryCount = 3) { Execute<T1, T2, object>((x1, x2) => { action(arg1, arg2); return null; }, arg1, arg2, retryInterval, retryCount); } /// <summary>
        /// 重试三个参数无返回值的方法 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <typeparam name="T3">参数类型3</typeparam>
        /// <param name="action">执行方法方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="arg3">参数3</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        public static void Execute<T1, T2, T3>(Action<T1, T2, T3> action, T1 arg1, T2 arg2, T3 arg3, TimeSpan retryInterval, int retryCount = 3) { Execute<T1, T2, T3, object>((x1, x2, x3) => { action(arg1, arg2, arg3); return null; }, arg1, arg2, arg3, retryInterval, retryCount); } /// <summary>
        /// 重试四个参数无返回值的方法 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <typeparam name="T3">参数类型3</typeparam>
        /// <typeparam name="T4">参数类型4</typeparam>
        /// <param name="action">执行方法方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="arg3">参数3</param>
        /// <param name="arg4">参数4</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        public static void Execute<T1, T2, T3, T4>(Action<T1, T2, T3, T4> action, T1 arg1, T2 arg2, T3 arg3, T4 arg4, TimeSpan retryInterval, int retryCount = 3) { Execute<T1, T2, T3, T4, object>((x1, x2, x3, x4) => { action(arg1, arg2, arg3, arg4); return null; }, arg1, arg2, arg3, arg4, retryInterval, retryCount); } /// <summary>
        /// 重试零个参数带返回值 /// </summary>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="func">执行的方法</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        /// <returns>返回类型T</returns>
        public static T Execute<T>(Func<T> func, TimeSpan retryInterval, int retryCount = 3) { var exceptions = new List<Exception>(); for (int retry = 0; retry < retryCount; retry++) { try { return func(); } catch (Exception ex) { exceptions.Add(ex); Thread.Sleep(retryInterval); } } throw new AggregateException(exceptions); } /// <summary>
        /// 重试一个参数带返回值 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="func">执行的方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        /// <returns>返回类型T</returns>
        public static T Execute<T1, T>(Func<T1, T> func, T1 arg1, TimeSpan retryInterval, int retryCount = 3) { var exceptions = new List<Exception>(); for (int retry = 0; retry < retryCount; retry++) { try { return func(arg1); } catch (Exception ex) { exceptions.Add(ex); Thread.Sleep(retryInterval); } } throw new AggregateException(exceptions); } /// <summary>
        /// 重试两个参数带返回值 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="func">执行的方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        /// <returns>返回类型T</returns>
        public static T Execute<T1, T2, T>(Func<T1, T2, T> func, T1 arg1, T2 arg2, TimeSpan retryInterval, int retryCount = 3) { var exceptions = new List<Exception>(); for (int retry = 0; retry < retryCount; retry++) { try { return func(arg1, arg2); } catch (Exception ex) { exceptions.Add(ex); Thread.Sleep(retryInterval); } } throw new AggregateException(exceptions); } /// <summary>
        /// 重试三个参数带返回值 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <typeparam name="T3">参数类型3</typeparam>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="func">执行的方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="arg3">参数3</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        /// <returns>返回类型T</returns>
        public static T Execute<T1, T2, T3, T>(Func<T1, T2, T3, T> func, T1 arg1, T2 arg2, T3 arg3, TimeSpan retryInterval, int retryCount = 3) { var exceptions = new List<Exception>(); for (int retry = 0; retry < retryCount; retry++) { try { return func(arg1, arg2, arg3); } catch (Exception ex) { exceptions.Add(ex); Thread.Sleep(retryInterval); } } throw new AggregateException(exceptions); } /// <summary>
        /// 重试四个参数带返回值 /// </summary>
        /// <typeparam name="T1">参数类型1</typeparam>
        /// <typeparam name="T2">参数类型2</typeparam>
        /// <typeparam name="T3">参数类型3</typeparam>
        /// <typeparam name="T4">参数类型4</typeparam>
        /// <typeparam name="T">返回类型</typeparam>
        /// <param name="func">执行的方法</param>
        /// <param name="arg1">参数1</param>
        /// <param name="arg2">参数2</param>
        /// <param name="arg3">参数3</param>
        /// <param name="arg4">参数4</param>
        /// <param name="retryInterval">重试间隔</param>
        /// <param name="retryCount">重试次数</param>
        /// <returns>返回类型T</returns>
        public static T Execute<T1, T2, T3, T4, T>(Func<T1, T2, T3, T4, T> func, T1 arg1, T2 arg2, T3 arg3, T4 arg4, TimeSpan retryInterval, int retryCount = 3) { var exceptions = new List<Exception>(); for (int retry = 0; retry < retryCount; retry++) { try { return func(arg1, arg2, arg3, arg4); } catch (Exception ex) { exceptions.Add(ex); Thread.Sleep(retryInterval); } } throw new AggregateException(exceptions); } }