public async Task <IActionResult> GetOrders()
{
var eventStoreConnection = new EventStoreBuilder();
var result = await eventStoreConnection.GetProjection("orders");
return(Ok(result));
}
public async System.Threading.Tasks.Task Should_CreateALeadProfieUponCreationOfQuoteGivenUserDoesntExist()
{
var email = (Email)"*****@*****.**";
var rate = RateBuilder.WithDefaults();
var wedding = WeddingBuilder.WithDefaults(rate);
var quote = new WeddingQuote(email, wedding, rate);
var eventStore = new EventStoreBuilder().Build();
var context = new DblDipDbContextBuilder()
.Add(rate)
.Add(wedding)
.Add(quote)
.SaveChanges()
.Build();
var sut = new QuoteCreatedSaga(context, eventStore);
await sut.Handle(new QuoteCreated(quote), default);
var user = context.Set <User>().Where(x => x.Username == email).Single();
}
public void BuildEventStore()
{
var storeBuilder = new EventStoreBuilder(ApplicationNameSpace);
var eventStore = storeBuilder.Build(new EventStore());
TestUtils.SnapshotTest(eventStore);
}
public static EventStoreBuilder WithMsSqlPersistor(this EventStoreBuilder builder, string connectionString, Action <IMsSqlPersistorBuilder> persistorBuilder = null)
{
var sqlPersistorBuilder = new MsSqlPersistorBuilder(builder.Logger, connectionString);
if (persistorBuilder != null)
{
persistorBuilder(sqlPersistorBuilder);
}
builder.WithPersistor(new MsSqlPersistor(sqlPersistorBuilder.Linearizer, connectionString));
return(builder);
}
public async System.Threading.Tasks.Task Should_CreateUserAndAccountWithRolesUponProfileCreated()
{
var context = DblDipDbContextBuilder.WithDefaults();
var store = EventStoreBuilder.WithDefaults();
var profile = ClientBuilder.WithDefaults();
var sut = new ProfileCreatedSaga(store);
await sut.Handle(new (profile), default);
public async Task Run()
{
try
{
var store = new EventStoreBuilder()
.WithSerializer(new JilSerializer())
.WithLogger(new NLogLogger("Ses"))
.WithDefaultContractsRegistry(typeof(SampleRunner).Assembly)
.WithMsSqlPersistor(connectionString, x =>
{
x.Destroy(true);
x.Initialize();
x.RunLinearizer(TimeSpan.FromMilliseconds(20), TimeSpan.FromMinutes(20));
})
.Build();
await Task.Delay(1000);
await Sample1(store);
await Sample2(store);
Console.WriteLine(@"Starting subscriptions");
var subs = SampleSubscriptions();
await subs.StartAsync();
foreach (var poller in subs.GetPollers())
{
Console.WriteLine(poller);
foreach (var state in poller.SourceSequenceInfo)
{
Console.WriteLine($@"\t{state}");
}
}
await Task.Delay(5000);
Console.WriteLine(@"Stopping subscriptions");
store.Dispose();
subs.Dispose();
Console.WriteLine(@"Starting perf test");
await SamplePerfTest();
Console.WriteLine(@"Press any key to exit...");
Console.ReadKey();
}
catch (Exception e)
{
Console.WriteLine(e);
Console.ReadKey();
}
}
public void SaveOneMillionEventsWithLMDBAndDummyPublisher()
{
int numberOfEvents = 1000000;
int serialId = 0;
//For some reason, the values higher than 500 MB does not work.
//TB = 1099511627776
//GB = 1073741824
//500MB = 524288000
//100MB = 104857600
IEventStoreBuilder builder = new EventStoreBuilder();
var eventStore = builder.UseLMDBRepository()
.Configuration(@"c:\temp\lmdbevents", 2, 524288000, new ProtobufEventsSerializer())
.UseCustom(new DummyEventPublisher())
.Build();
var before = DateTime.Now;
var tasks = new ConcurrentBag <Task>();
foreach (int i in Enumerable.Range(0, numberOfEvents))
{
tasks.Add(eventStore.Process(new EventTransaction
{
Events = new[] {
new Event
{
AggregateId = Guid.NewGuid(),
SerialId = serialId++,
SerializedEvent = BitConverter.GetBytes(i),
EventType = "A type of event"
}
}
}));
}
Task.WhenAll(tasks.ToArray()).Wait();
var after = DateTime.Now;
var timeInMilliseconds = (after - before).TotalMilliseconds;
var rate = numberOfEvents / (after - before).TotalSeconds;
eventStore.Dispose();
Assert.True(true, string.Format("Added {0} in {1} milliseconds, which is a rate of {2} per second", numberOfEvents, timeInMilliseconds, rate));
}
public void ReadOneMillionFromLMDB()
{
int numberOfEvents = 1000000;
int serialId = 0;
IEventStoreBuilder builder = new EventStoreBuilder();
var eventStore = builder.UseLMDBRepository()
.Configuration(@"c:\temp\lmdbevents", 2, 524288000, new ProtobufEventsSerializer())
.UseCustom(new DummyEventPublisher())
.Build();
var tasks = new ConcurrentBag <Task>();
foreach (int i in Enumerable.Range(0, numberOfEvents))
{
tasks.Add(eventStore.Process(new EventTransaction
{
Events = new[] {
new Event
{
AggregateId = Guid.NewGuid(),
SerialId = serialId++,
SerializedEvent = BitConverter.GetBytes(i),
EventType = "A type of event"
}
}
}));
}
Task.WhenAll(tasks.ToArray()).Wait();
var before = DateTime.Now;
var x = eventStore.GetAllEvents(0, 1000000);
var after = DateTime.Now;
var timeInMilliseconds = (after - before).TotalMilliseconds;
var rate = numberOfEvents / (after - before).TotalSeconds;
eventStore.Dispose();
Assert.True(true, string.Format("Read {0} in {1} milliseconds, which is a rate of {2} per second", numberOfEvents, timeInMilliseconds, rate));
}
public static void ConfigureEventStorage(this IServiceCollection services, IConfiguration configuration)
{
var config = new ConfigRoot();
configuration.Bind(config);
services.AddSingleton(
typeof(IStreamStore),
sp => EventStoreBuilder
.WithConnectionString(config.EventStorage.ConnectionString)
.UseDefaultCredentials(
new UserCredentials(
username: config.EventStorage.UserName,
password: config.EventStorage.Password))
.DisableTlsConnection()
.KeepReconnecting()
.KeepRetrying()
.Build());
Console.WriteLine("connection established " + config.ToJson());
}
private static async Task SamplePerfTest()
{
using (var store = new EventStoreBuilder()
.WithDefaultContractsRegistry(typeof(SampleRunner).Assembly)
.WithMsSqlPersistor(connectionString, c => c.RunLinearizer(TimeSpan.FromMilliseconds(10), TimeSpan.FromSeconds(240)))
.WithSerializer(new JilSerializer())
.Build())
{
const int count = 10000;
var tasks = new List <Task>(count);
var token = new System.Threading.CancellationToken();
var sw = Stopwatch.StartNew();
for (var i = 0; i < count; i++)
{
var task = Task.Run(async() =>
{
using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew, options, TransactionScopeAsyncFlowOption.Enabled))
{
var streamId = SequentialGuid.NewGuid();
var aggregate = new ShoppingCart(streamId, Guid.Empty);
aggregate.AddItem(SequentialGuid.NewGuid(), name: "Product 1", quantity: 3);
var commitId = SequentialGuid.NewGuid();
var stream = new EventStream(commitId, aggregate.TakeUncommittedEvents());
await store.SaveChangesAsync(streamId, ExpectedVersion.NoStream, stream, token);
scope.Complete();
}
}, token);
tasks.Add(task);
}
await Task.WhenAll(tasks);
sw.Stop();
Console.WriteLine($@"Overall time {sw.ElapsedMilliseconds}ms - {(count / sw.Elapsed.TotalSeconds)}");
Console.WriteLine(@"Waiting for Linearizer...");
await Task.Delay(10000, token);
Console.WriteLine(@"Done.");
}
}
public async Task <IEventStore> GetEventStore(Assembly[] contractsRegistryAssemblies, IConcurrencyConflictResolver resolver = null)
{
if (!_databaseCreated)
{
await CreateDatabase(GetLocation());
}
var builder = new EventStoreBuilder()
.WithDefaultContractsRegistry(contractsRegistryAssemblies)
.WithMsSqlPersistor(ConnectionString, x =>
{
x.Initialize();
})
.WithSerializer(new JilSerializer());
if (resolver != null)
{
builder.WithConcurrencyConflictResolver(resolver);
}
return(builder.Build());
}
public void BuildLMDBEventStoreDoesNotThrow()
{
IEventStoreBuilder builder = new EventStoreBuilder();
EventStore es = null;
es = builder.UseLMDBRepository()
.Configuration(@"c:\lmdb", 2, 10485760, new ProtobufEventsSerializer())
.UseCustom(new DummyEventPublisher())
.Build();
Assert.NotNull(es);
//Clean up database
es.Dispose();
//Cleaning up disk
GC.Collect();
GC.WaitForPendingFinalizers();
var datafile = Path.Combine(@"c:\lmdb", "data.mdb");
if (File.Exists(datafile))
{
File.Delete(datafile);
}
var lockfile = Path.Combine(@"c:\lmdb", "lock.mdb");
if (File.Exists(lockfile))
{
File.Delete(lockfile);
}
}
public AggregateService()
{
_eventStoreBuilder = new EventStoreBuilder();
}
public void BuildingWithMissingDataThrowsException()
{
EventStoreBuilder builder = new EventStoreBuilder();
Assert.Throws <Exception>(() => builder.Build());
}
public ProjectionService()
{
_eventStoreBuilder = new EventStoreBuilder();
}
