protected override object Invoke(MethodInfo targetMethod, object[] args)
{
object result = null;
var session = new RetrySession(_retryPolicy)
.Begin();
Exception exception = null;
var complete = false;
while (!complete)
{
try
{
var isAwaitable = targetMethod.ReturnType.GetMethod(nameof(Task.GetAwaiter)) != null;
result = isAwaitable ? InvokeAsynchronous(targetMethod, args) : InvokeSynchronous(targetMethod, args);
//result = targetMethod.Invoke(_instance, args);
complete = true;
}
catch (TargetInvocationException ex)
{
exception = ex.GetPrimaryException();
}
catch (AggregateException ex)
{
exception = ex.GetPrimaryException();
}
catch (Exception ex)
{
throw new RetryException(session, $"Unexpected exception type '{ex.GetType().FullName}'. See inner exception for details.", ex);
}
// test the exception for can retry, exceeded max retry, and timeout
if (exception != null)
{
var retryException = session.CheckException(exception);
if (retryException != null)
{
throw retryException;
}
// wait a bit before trying again
session.Sleep();
//reset exception for next attempt
exception = null;
}
} // while (!complete)
session.End();
return(result);
}
public RetryException(RetrySession retrySession) : base()
{
RetrySession = retrySession ?? throw new ArgumentNullException(nameof(retrySession));
RetrySession.End();
}
public RetryException(RetrySession retrySession, string message, Exception innerException) : base(message, innerException)
{
RetrySession = retrySession ?? throw new ArgumentNullException(nameof(retrySession));
RetrySession.End();
}