public static void InvokeWithConcurrencyRetryAllowNested(
Action <TransactionScope> action,
TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
int maxRetries = 3,
TimeSpan?timeout = null)
//TransactionScopeAsyncFlowOption transactionScopeAsyncFlowOption = TransactionScopeAsyncFlowOption.Suppress) // .NET 4.5.1 feature
{
if (action == null)
{
throw new ArgumentNullException("action");
}
// If this is an inner transaction, the outer transaction is responsible for the retry logic
if (transactionScopeOption == TransactionScopeOption.Required && Transaction.Current != null)
{
using (var scope = CreateSerializable(transactionScopeOption, timeout /*, transactionScopeAsyncFlowOption*/))
{
action(scope);
}
}
else
{
var attempt = 0;
ActionUtils.RetryAction(
() =>
{
attempt++;
using (var scope = CreateSerializable(transactionScopeOption, timeout /*, transactionScopeAsyncFlowOption*/))
{
action(scope);
}
},
TimeSpan.MaxValue,
ex =>
{
if (ex is TransactionAbortedException &&
ex.InnerException is ConcurrencyException)
{
var msg = string.Format("Transaction concurrency fault occured. Attempt: {0}/{1}", attempt, maxRetries);
Log.Warn(msg, ex);
if (attempt < maxRetries)
{
return(true);
}
}
return(false);
});
}
}
public static void InvokeWithConcurrencyRetry(
Action <TransactionScope> action,
TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
int maxRetries = 3,
TimeSpan?timeout = null)
//TransactionScopeAsyncFlowOption transactionScopeAsyncFlowOption = TransactionScopeAsyncFlowOption.Suppress) // .NET 4.5.1 feature
{
if (action == null)
{
throw new ArgumentNullException(nameof(action));
}
if (transactionScopeOption == TransactionScopeOption.Required && Transaction.Current != null)
{
throw new TransactionException("Error, ambient transaction already exists. Retry must occur on outer or new transaction scope");
}
var attempt = 0;
ActionUtils.RetryAction(
() =>
{
attempt++;
using (var scope = CreateSerializable(transactionScopeOption, timeout /*, transactionScopeAsyncFlowOption*/))
{
action(scope);
}
},
TimeSpan.MaxValue,
ex =>
{
if (ex is TransactionAbortedException && ex.InnerException is ConcurrencyException)
{
Log.WarnException($"Transaction concurrency fault occured. Attempt: {attempt}/{maxRetries}", ex);
if (attempt < maxRetries)
{
return(true);
}
}
return(false);
});
}