/// <summary>
/// Create the default <see cref="RetryPolicyOption"/>.
/// </summary>
/// <returns>A <see cref="RetryPolicyOption"/>.</returns>
public static RetryPolicyOption DefaultRetryPolicy()
{
var retry = new RetryPolicyOption();
retry.MaxRetries = 1;
retry.ShouldRetryOn <System.Exception>();
return(retry);
}
/// <summary>
/// Execute any actions of the <see cref="IFluentDbCommand"/>, with the retry policy.
/// </summary>
/// <param name="dbActions">Actions to be executed.</param>
/// <param name="retry">The <see cref="RetryPolicyOption"/>.</param>
/// <param name="throwException">Define if the exception should be throwned.</param>
/// <returns>The <see cref="DbCommandResult"/>.</returns>
public static async Task <DbCommandResult> SafeExecuteDbCommandAction(Func <Task <DbCommandResult> > dbActions, RetryPolicyOption?retry, bool throwException = false)
{
int retries = 1;
bool isExecuted = false;
Stopwatch stopwatch = new Stopwatch();
if (retry != null && retry.MaxRetries >= 1)
{
retries = retry.MaxRetries;
}
else
{
// Create the default retry policy
retry = RetryPolicyOption.DefaultRetryPolicy();
retries = retry.MaxRetries;
}
DbCommandResult?result = null;
stopwatch.Start();
Stack <System.Exception> exceptions = new Stack <System.Exception>();
// Execute the actions inside the retry policy
while (!isExecuted && retries > 0)
{
try
{
result = await dbActions();
// Mark that actions have been executed.
isExecuted = true;
}
catch (System.Exception e)
{
// Cheick if the exception is concerned by the retry policy
if (retry != null && retry.Exceptions !.Contains(e.GetType()))
{
// decrease the retries count;
retries -= 1;
isExecuted = false;
}
