public async Task Execute(string[] args)
{
// run to establish an initial connection.
await Task.Run(() =>
{
var id = Guid.NewGuid();
var pendingEvent = _factory.Create(new ShoppingCart(id), new ShoppingCartCreated(Guid.NewGuid()));
return(_store.Append(id, 0, new[] { pendingEvent }));
});
Console.WriteLine("=====================================\n");
Console.WriteLine("Starting event store throughtput test.\n");
var stopWatch = new Stopwatch();
var tasks = new List <Task>();
var max = 10000;
Console.WriteLine($"Testing {max} events.\n");
stopWatch.Start();
for (var x = 0; x < max; x++)
{
tasks.Add(Task.Run(() =>
{
var id = Guid.NewGuid();
var pendingEvent = _factory.Create(new ShoppingCart(id), new ShoppingCartCreated(Guid.NewGuid()));
return(_store.Append(id, 0, new[] { pendingEvent }));
}));
}
var masterTask = Task.WhenAll(tasks);
while (!masterTask.IsCompleted)
{
var numberCompleted = tasks.Where(e => e.IsCompleted).Count();
Console.Write($"\r{numberCompleted}");
}
stopWatch.Stop();
var time = stopWatch.Elapsed;
Console.WriteLine($" shopping carts took {time.TotalSeconds:#.##} seconds.\n");
Console.WriteLine($"Throughput: {max / time.TotalSeconds:#.##} per second.\n");
Console.WriteLine("=====================================\n");
}
private IEnumerable <IPendingEvent> GetPendingEvents(T aggregate)
{
foreach (var @event in aggregate.PendingEvents)
{
yield return(_eventFactory.Create(aggregate, @event));
}
}
