/// <summary>
/// 重试 For <see cref="IServiceTransaction"/>
/// </summary>
/// <param name="service">事物 Service</param>
/// <param name="tag">标记</param>
/// <param name="doAction">处理动作</param>
/// <param name="errorAction">失败动作</param>
/// <param name="transContext">上下文事物对象, 设置后不提交事物</param>
/// <param name="retryCount">重试次数</param>
/// <param name="retrySleep">重试间隔, 单位:毫秒</param>
public static void Retry(this IServiceTransaction service,
string tag,
Action <IDbTransaction> doAction,
Action <Exception> errorAction = null,
IDbTransaction transContext = null,
int retryCount = ErrorRetryCount,
int retrySleep = ErrorRetrySleep)
{
ThrowHelper.ThrowIfNull(service, "service");
ThrowHelper.ThrowIfNull(tag, "tag");
ThrowHelper.ThrowIfNull(doAction, "doAction");
if (retryCount <= 0)
{
retryCount = ErrorRetryCount;
}
if (retrySleep < 0)
{
retrySleep = ErrorRetrySleep;
}
var saveTryCount = 0;
while (true)
{
var trans = transContext ?? service.BeginTransaction();
try
{
doAction(trans);
if (transContext == null)
{
service.CommitTransaction(trans);
}
return;
}
catch (Exception ex)
{
Logger.ErrorFormat("Retry-{0}-error, tryCount：{1}, ex：{2}", tag, saveTryCount, ex);
if (transContext == null)
{
service.RollbackTransaction(trans);
}
errorAction?.Invoke(ex);
saveTryCount++;
if (saveTryCount >= retryCount)
{
throw ex;
}
Thread.Sleep(retrySleep * saveTryCount);
}
}
}
/// <summary>
/// 重试 Async For <see cref="IServiceTransaction"/>
/// </summary>
/// <param name="service">事物 Service</param>
/// <param name="tag">标记</param>
/// <param name="doAction">处理动作</param>
/// <param name="errorAction">失败动作</param>
/// <param name="transContext">上下文事物对象, 设置后不提交事物</param>
/// <param name="retryCount">重试次数</param>
/// <param name="retrySleep">重试间隔, 单位:毫秒</param>
/// <param name="ignoreEx">忽略异常, 需 <paramref name="errorAction"/> 捕获异常</param>
public static async Task RetryAsync(this IServiceTransaction service,
string tag,
Func <IDbTransaction, Task> doAction,
Func <Exception, Task> errorAction = null,
IDbTransaction transContext = null,
int retryCount = ErrorRetryCount,
int retrySleep = ErrorRetrySleep,
bool ignoreEx = false)
{
ThrowHelper.ThrowIfNull(service, "service");
ThrowHelper.ThrowIfNull(tag, "tag");
ThrowHelper.ThrowIfNull(doAction, "doAction");
if (retryCount <= 0)
{
retryCount = ErrorRetryCount;
}
if (retrySleep < 0)
{
retrySleep = ErrorRetrySleep;
}
var saveTryCount = 0;
while (true)
{
var trans = transContext ?? service.BeginTransaction();
try
{
await doAction(trans);
if (transContext == null)
{
service.CommitTransaction(trans);
}
return;
}
catch (Exception ex)
{
Logger.ErrorFormat("RetryAsync-{0}-error, tryCount：{1}, ex：{2}", tag, saveTryCount, ex);
if (transContext == null)
{
service.RollbackTransaction(trans);
}
errorAction?.Invoke(ex);
saveTryCount++;
if (saveTryCount >= retryCount)
{
if (ignoreEx)
{
return;
}
throw ex;
}
await Task.Delay(retrySleep *saveTryCount);
}
}
}