Esempio n. 1
0
        static void Main(string[] args)
        {
            var repoType = eRepositoryType.AzureBlob;

            if (args.Length > 0)
            {
                if (args[0].Equals("sql", StringComparison.OrdinalIgnoreCase))
                {
                    repoType = eRepositoryType.Sql;
                }
            }

            var eventsPerAggregate = 10;
            var aggregatesToMake   = 10;

            if (args.Length > 1)
            {
                aggregatesToMake = Convert.ToInt32(args[1]);
            }

            var history = new ConcurrentBag <Tuple <Guid, ConcurrentBag <int> > >();

            var startTime = DateTime.UtcNow;
            var options   = new ParallelOptions()
            {
                MaxDegreeOfParallelism = Math.Min(15, aggregatesToMake / 5 + 5)
            };

            Parallel.For(0, aggregatesToMake, options, (i) =>
            {
                var aggregateId = Guid.NewGuid();
                var values      = new ConcurrentBag <int>();
                Stopwatch sw    = new Stopwatch();
                sw.Start();

                var repo = new TestRepository(repoType);

                Stopwatch creationTimer = new Stopwatch();
                creationTimer.Start();
                values.Add(42);
                Thread.Sleep(new Random().Next(0, 1000));
                var aggy = SimpleAggregate.CreateNew(DateTime.Now, aggregateId, 42);

                while (true)
                {
                    try
                    {
                        _log.Trace("TRYING TO CREATE AGG WITH ID [{0}]", aggy.Id);
                        repo.Save(aggy, Guid.NewGuid(), null);
                        break;
                    }
                    catch (Exception ex)
                    {
                        _log.Error(string.Format("Will retry, but failed to create aggregate with id [{0}], [{1}]",
                                                 aggy.Id, ex.Message));
                    }
                }
                creationTimer.Stop();
                _log.Trace("Created aggy in [{0}]", creationTimer.Elapsed);

                Random random     = new Random();
                var commitOptions = new ParallelOptions()
                {
                    MaxDegreeOfParallelism = 10
                };
                Parallel.For(0, eventsPerAggregate, options, (j) =>
                {
                    try
                    { values.Add(RetryWhileConcurrent(repoType, aggy.Id, j)); }
                    catch (Exception ex)
                    { _log.Error("error iteration {0}-{1}, {2}", i, j, ex.ToString()); }
                });

                SnapshotAggregate(repoType, aggy.Id);

                // now add some more stuff... this will be used to verify our snapshot is working as expected
                Parallel.For(0, eventsPerAggregate, options, (j) =>
                {
                    try
                    { values.Add(RetryWhileConcurrent(repoType, aggy.Id, j)); }
                    catch (Exception ex)
                    { _log.Error("error iteration {0}-{1}, {2}", i, j, ex.ToString()); }
                });

                history.Add(new Tuple <Guid, ConcurrentBag <int> >(aggregateId, values));
                _log.Trace(string.Format("Iteration [{0}] took me [{1}] ms", i, sw.ElapsedMilliseconds));
            });

            var totalTime = DateTime.UtcNow.Subtract(startTime);

            _log.Info("checking aggregates for errors");
            Parallel.ForEach(history, (historyItem) =>
            {
                var repository = new TestRepository(repoType);
                CheckAggregate(repository, historyItem.Item1, historyItem.Item2);
            });
            _log.Info("Took [{0}] to source all aggregates", totalTime);
        }