public override void SetUp()
{
base.SetUp();
DatabaseHelper.CleanEvents();
DatabaseHelper.CleanEventStreams();
var eventRepository = new EventRepository(DatabaseHelper.GetConnectionStringBuilder());
EventSerializer = new Serialization.Newtonsoft.EventSerializer();
var logger = new SerilogLogger(Log.ForContext<EventStore>());
var eventStore = new EventStore(
EventSerializer,
eventRepository,
logger,
Guid.NewGuid);
AggregateContext = new AggregateContext(
eventStore,
null, // TODO: replace with actual SnapshotStore
new AggregateHydrator(),
new DummyDispatcher());
}
public void Dispatch(EventStore.Commit commit)
{
try
{
using (var scope = _container.BeginLifetimeScope())
{
var _bus = scope.Resolve<IServiceBus>();
if (_logger.IsDebugEnabled)
{
_logger.Debug("Dispatching commit, number of events: " + commit.Events.Count);
}
_bus.PublishDomainUpdate(commit.Events.Select(e => e.Body).ToArray(),
new DomainUpdateMetadate
{
AggregateId = Guid.Parse(commit.Headers[AggregateRootMetadata.AggregateIdHeader] as string),
AggregateType = commit.Headers[AggregateRootMetadata.AggregateTypeHeader] as string,
Tenant = commit.Headers[AggregateRootMetadata.TenantHeader] as string,
ApplicationService = _endpoint,
LastVersion = commit.StreamRevision
});
}
}
catch (Exception ex)
{
_logger.ErrorException("Could not dispatch message.", ex);
throw;
}
}
public void AddingEventsToEmptyDatabaseCreatesProperEventsInDatabase()
{
var aggregateId = Guid.NewGuid();
var expectedVersion = -1;
IConcurrencyConflictResolver conflictResolver = null;
var events = new List<Event>
{
new Event(),
new Event()
};
var databaseMock = new DatabaseMock<EventDescriptors>();
var publisherMock = new EventPublisherMock();
var eventStore = new EventStore(publisherMock, databaseMock);
eventStore.SaveEvents(
aggregateId,
events,
expectedVersion,
conflictResolver);
var actual = databaseMock.Get(aggregateId.ToString());
Assert.NotNull(actual);
Assert.Equal(events.Count, actual.Count());
publisherMock.AssertPublishCount<Event>(events.Count());
}
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
RegisterRoutes(RouteTable.Routes);
var bus = new FakeBus();
var storage = new EventStore(bus);
var rep = new Repository<InventoryItem>(storage);
var commands = new InventoryCommandHandlers(rep);
bus.RegisterHandler<CheckInItemsToInventory>(commands.Handle);
bus.RegisterHandler<CreateInventoryItem>(commands.Handle);
bus.RegisterHandler<DeactivateInventoryItem>(commands.Handle);
bus.RegisterHandler<RemoveItemsFromInventory>(commands.Handle);
bus.RegisterHandler<RenameInventoryItem>(commands.Handle);
var detail = new InvenotryItemDetailView();
bus.RegisterHandler<InventoryItemCreated>(detail.Handle);
bus.RegisterHandler<InventoryItemDeactivated>(detail.Handle);
bus.RegisterHandler<InventoryItemRenamed>(detail.Handle);
bus.RegisterHandler<ItemsCheckedInToInventory>(detail.Handle);
bus.RegisterHandler<ItemsRemovedFromInventory>(detail.Handle);
var list = new InventoryListView();
bus.RegisterHandler<InventoryItemCreated>(list.Handle);
bus.RegisterHandler<InventoryItemRenamed>(list.Handle);
bus.RegisterHandler<InventoryItemDeactivated>(list.Handle);
ServiceLocator.Bus = bus;
}
public void ShouldBeVersionAscedingOrder()
{
var eventPublisher = MockRepository.GenerateMock<IEventPublisher>();
var eventPersistence = MockRepository.GenerateMock<IEventPersistence>();
var id = Guid.NewGuid();
var events = new List<DomainEvent>
{
new EmptyDomainEvent(id)
{
Version = 3
},
new EmptyDomainEvent(id)
{
Version = 1
},
new EmptyDomainEvent(id)
{
Version = 4
},
new EmptyDomainEvent(id)
{
Version = 2
}
};
eventPersistence.Stub(x => x.GetEventsForAggregate<EmptyDomainObject>(id)).Return(events);
var eventStore = new EventStore(eventPersistence, eventPublisher);
var retrievedEvents = eventStore.GetEventsForAggregate<EmptyDomainObject>(id);
Assert.That(retrievedEvents[0].Version, NUnit.Framework.Is.EqualTo(1));
Assert.That(retrievedEvents[1].Version, NUnit.Framework.Is.EqualTo(2));
Assert.That(retrievedEvents[2].Version, NUnit.Framework.Is.EqualTo(3));
Assert.That(retrievedEvents[3].Version, NUnit.Framework.Is.EqualTo(4));
}
protected EventStoreBasedRepository(Guid aggregateId, EventStore store)
{
if (aggregateId == Guid.Empty)
throw new InvalidOperationException("Aggregat ohne ID kann nicht erzeugt werden.");
AggregateId = aggregateId;
_store = store;
_pastHistory = _store.Retrieve(aggregateId).ToList();
}
private static void Main(string[] args)
{
ObjectContainer.SetContainer(new AutofacContainerObject());
var applictionInitializer = new EventHandleProvider();
applictionInitializer.Initialize(Assembly.GetExecutingAssembly());
var commandInitializer = new CommandHandleProvider();
commandInitializer.Initialize(Assembly.GetExecutingAssembly());
ObjectContainer.RegisterInstance(applictionInitializer);
ObjectContainer.RegisterInstance(commandInitializer);
var dbConnection = new MySqlConnection(_mysqlConnection);
var persistence = new SnapshotPersistence(dbConnection);
var binarySerializer = new DefaultBinarySerializer();
var snapshotRepository = new SnapshotRepository(persistence, new SnapshotFactory(binarySerializer));
var eventPersistence = new EventStorePersistence(dbConnection);
var eventFactory = new EventStreamFactory(binarySerializer);
var eventStore = new EventStore(eventPersistence, eventFactory);
IRepository repository = new EventSouringRepository(eventStore, snapshotRepository);
var comamndHandler = ObjectContainer.Resolve<CommandHandleProvider>();
var changePasswordCommand = new ChangePasswordCommand("90ca0d59-65e6-403b-82c5-8df967cc8e22", "2222222", "11111");
var commandContext = new CommandContext(repository);
var commandHanldeAction = comamndHandler.GetInternalCommandHandle(typeof(ChangePasswordCommand));
commandHanldeAction(commandContext, changePasswordCommand);
var aggregateRoots = commandContext.AggregateRoots;
IList<IEvent> unCommitEvents = null;
foreach (var item in aggregateRoots)
{
unCommitEvents = item.Value.Commit();
}
var aggregateRoot = aggregateRoots.FirstOrDefault().Value;
eventStore.AppendToStream(aggregateRoot.AggregateRootId, new EventStream(aggregateRoot.Version, unCommitEvents));
snapshotRepository.Create(aggregateRoot);
Console.WriteLine("改方法执行完毕...");
}
protected IDomainRepository CreateDomainRepository(IBus bus)
{
var eventMappings = new NServiceBusDomainEventMappingFactory().CreateMappingCollection();
var eventPersistence = new InProcEventPersistence();
var eventPublisher = new NServiceBusEventPublisher(bus, eventMappings);
var eventStore = new EventStore(eventPersistence, eventPublisher);
var domainRepository = new DomainRepository(eventStore);
return domainRepository;
}
void SingleStreamPerPartitionUsingIndirectionLayer()
{
var store = new EventStore(new Partition(Table, "DIR"));
store.Provision(VirtualPartition("vs-111"));
store.Provision(VirtualPartition("vs-222"));
store.Write(new Stream(new Partition(Partition.Table, "ps-333")), Event());
store.Write(new Stream(new Partition(Partition.Table, "ps-444")), Event());
var count = store.Streams().Count();
Console.WriteLine(count);
}
public void Play_all_events()
{
if (Directory.Exists("teststore")) Directory.Delete("teststore", true);
var sut = new EventStore("teststore");
sut.Record("n0", "0", "c");
sut.Record("n1", "1", "c");
sut.Record("n2", "2", "c");
var es = sut.Play().ToArray();
Assert.AreEqual("0", es[0].Data);
Assert.AreEqual("1", es[1].Data);
Assert.AreEqual("2", es[2].Data);
}
public void DropSubscription(EventStore.Core.Services.SubscriptionDropReason reason)
{
switch (reason)
{
case EventStore.Core.Services.SubscriptionDropReason.AccessDenied:
DropSubscription(SubscriptionDropReason.AccessDenied,
new AccessDeniedException(string.Format("Subscription to '{0}' failed due to access denied.",
_streamId == string.Empty ? "<all>" : _streamId)));
break;
case EventStore.Core.Services.SubscriptionDropReason.Unsubscribed:
Unsubscribe();
break;
}
}
public static IEventSourcedRepository<SeatsAvailability> GetSeatsAvailabilityRepository()
{
var serializer = new JsonTextSerializer();
#if LOCAL
Func<EventStoreDbContext> ctxFactory = () => new EventStoreDbContext("EventStore");
return new SqlEventSourcedRepository<SeatsAvailability>(ConferenceHelper.BuildEventBus(), serializer, ctxFactory);
#else
var settings = InfrastructureSettings.Read("Settings.xml");
var eventSourcingAccount = CloudStorageAccount.Parse(settings.EventSourcing.ConnectionString);
var eventStore = new EventStore(eventSourcingAccount, settings.EventSourcing.SeatsAvailabilityTableName);
var publisher = new EventStoreBusPublisher(ConferenceHelper.GetTopicSender("eventsAvailability"), eventStore, new EventStoreBusPublisherInstrumentation("worker", false));
var metadata = new StandardMetadataProvider();
return new AzureEventSourcedRepository<SeatsAvailability>(eventStore, publisher, serializer, metadata, new MemoryCache("RepositoryCache"));
#endif
}
public void Read_event()
{
if (Directory.Exists("teststore")) Directory.Delete("teststore", true);
var es = new EventStore("teststore");
var number = es.Record("n", "d\ne", "c");
var sut = new EventPersistenceProvider("teststore");
var e = sut.Read_event(number);
Assert.AreEqual("n", e.Name);
Assert.AreEqual("c", e.Context);
Assert.AreEqual("d\ne", e.Data);
Assert.AreEqual(number, e.Number);
Console.WriteLine(e.Timestamp);
}
public void Play_events_in_range()
{
if (Directory.Exists("teststore")) Directory.Delete("teststore", true);
var sut = new EventStore("teststore");
sut.Record("n0", "0", "c");
sut.Record("n1", "1", "c");
sut.Record("n2", "2", "c");
sut.Record("n3", "3", "c");
var es = sut.Play(1,2).ToArray();
Assert.AreEqual("1", es[0].Data);
Assert.AreEqual("2", es[1].Data);
Assert.AreEqual(2, es.Length);
}
public void Setup()
{
event_store = new EventStore<IEvent>(
new DocumentDbConfiguration(
new Uri(document_db_connection_address),
document_db_connection_key,
database_id,
collection_id));
JsonConvert.DefaultSettings = () => new JsonSerializerSettings
{
Binder = new TypeNameSerialisationBinder("EventStore.DocumentDb.Tests.{0}, EventStore.DocumentDb.Tests"),
TypeNameHandling = TypeNameHandling.Auto
};
}
public given_empty_store()
{
this.tableName = "EventStoreFixture" + new Random((int)DateTime.Now.Ticks).Next();
var settings = InfrastructureSettings.Read("Settings.xml").EventSourcing;
this.account = CloudStorageAccount.Parse(settings.ConnectionString);
this.sut = new EventStore(this.account, this.tableName);
this.sourceId = Guid.NewGuid().ToString();
this.partitionKey = Guid.NewGuid().ToString();
this.events = new[]
{
new EventData { Version = 1, SourceId = sourceId, SourceType = "Source", TypeName = "Test1", Payload = "Payload1", CorrelationId = "correlation1" },
new EventData { Version = 2, SourceId = sourceId, SourceType = "Source", TypeName = "Test2", Payload = "Payload2", CorrelationId = "correlation2" },
new EventData { Version = 3, SourceId = sourceId, SourceType = "Source", TypeName = "Test3", Payload = "Payload3", CorrelationId = "correlation3" },
};
}
public void ShouldBeAbleToGetEventsForAnAggregateRootById()
{
var eventPublisher = MockRepository.GenerateMock<IEventPublisher>();
var eventPersistence = MockRepository.GenerateMock<IEventPersistence>();
var id = Guid.NewGuid();
var events = new List<DomainEvent>
{
new EmptyDomainEvent(id)
{
Version = 1
}
};
eventPersistence.Stub(x => x.GetEventsForAggregate<EmptyDomainObject>(id)).Return(events);
var eventStore = new EventStore(eventPersistence, eventPublisher);
var retrievedEvents = eventStore.GetEventsForAggregate<EmptyDomainObject>(id);
Assert.That(retrievedEvents, NUnit.Framework.Is.EquivalentTo(events));
}
public static ConsoleEnvironment Build()
{
var handler = new SynchronousEventHandler();
var inbox = new InboxProjection();
handler.RegisterHandler(inbox);
//var store = new InMemoryStore(handler);
var store = new FileAppendOnlyStore(new DirectoryInfo(Directory.GetCurrentDirectory()));
store.Initialize();
var messageStore = new MessageStore(store);
messageStore.LoadDataContractsFromAssemblyOf(typeof(ActionDefined));
var currentVersion = store.GetCurrentVersion();
var log = LogManager.GetLoggerFor<ConsoleEnvironment>();
log.Debug("Event Store ver {0}", currentVersion);
if (currentVersion > 0)
{
log.Debug("Running in-memory replay");
foreach (var record in messageStore.EnumerateAllItems(0, int.MaxValue))
{
foreach (var item in record.Items.OfType<Event>())
{
handler.Handle(item);
}
}
log.Debug("Replay complete");
}
var events = new EventStore(messageStore,handler);
var tenant = new TenantAppService(events, new RealTimeProvider());
var build = new ConsoleEnvironment
{
Store = events,
Tenant = tenant,
Commands = ConsoleCommands.Actions,
Id = new TenantId(1),
Inbox = inbox
};
return build;
}
public void GivenSetOfEvents_WithFetchEventsFromDifferentTimes_ThenProperSetsAreLoaded()
{
//Given
var streamId = Guid.NewGuid();
var taskId = Guid.NewGuid();
//When
var beforeCreateTimestamp = DateTime.UtcNow;
EventStore.Append(streamId, new IssueCreated(taskId, "Initial Name"));
Session.SaveChanges();
var createTimestamp = DateTime.UtcNow;
EventStore.Append(streamId, new IssueUpdated(taskId, "Updated name"));
Session.SaveChanges();
var firstUpdateTimestamp = DateTime.UtcNow;
EventStore.Append(streamId, new IssueUpdated(taskId, "Updated again name"),
new IssueUpdated(taskId, "Updated again and again name"));
Session.SaveChanges();
var secondUpdateTimestamp = DateTime.UtcNow;
//Then
var events = EventStore.FetchStream(streamId, timestamp: beforeCreateTimestamp);
events.Count.Should().Be.EqualTo(0);
events = EventStore.FetchStream(streamId, timestamp: createTimestamp);
events.Count.Should().Be.EqualTo(1);
events = EventStore.FetchStream(streamId, timestamp: firstUpdateTimestamp);
events.Count.Should().Be.EqualTo(2);
events = EventStore.FetchStream(streamId, timestamp: secondUpdateTimestamp);
events.Count.Should().Be.EqualTo(4);
}
public void ShouldIncrementVersionCorrectly()
{
var rootId = Guid.NewGuid();
var queueService = new MemoryQueueService();
var appendOnly = new MemoryAppendOnlyStore(queueService);
var eventStore = new EventStore(appendOnly);
var factory = new AggregateFactory(eventStore);
var rootToSave = factory.Create <ProductCatalogAggregate>(rootId);
eventStore.AppendToStream <ProductCatalogAggregate>(rootToSave.Id, rootToSave.Version, rootToSave.Changes);
var stream = eventStore.LoadEventStream(rootId);
var root = new ProductCatalogAggregate(stream);
root.CreateProduct(new CreateProductCommand(rootId, Guid.NewGuid(), "Notebook", "Dell Inspiron 15000"));
eventStore.AppendToStream <ProductCatalogAggregate>(root.Id, root.Version, root.Changes);
stream = eventStore.LoadEventStream(rootId);
root = new ProductCatalogAggregate(stream);
Assert.Equal(2, stream.Version);
Assert.Equal(1, root.CountProducts());
}
/// <summary>
/// Limits the calendar list to those specified
/// </summary>
/// <returns>The calendars in list.</returns>
/// <param name="VisibleCalendars">Visible calendars.</param>
private EKCalendar[] EKCalendarsInList(List <String> VisibleCalendars)
{
var visCals = new List <EKCalendar> ();
EKCalendar[] calendars = null;
if (new Version(UIDevice.CurrentDevice.SystemVersion) >= new Version(6, 0, 0, 0))
{
calendars = EventStore.GetCalendars(EKEntityType.Event);
}
else
{
calendars = EventStore.Calendars;
}
foreach (EKCalendar cal in calendars)
{
if (VisibleCalendars.Contains(cal.Title))
{
visCals.Add(cal);
}
}
return(visCals.ToArray());
}
public void UnregisterAllTest()
{
var container = new IocContainer();
var store = new EventStore(container);
int x = 1;
var event1 = new MockEvent <SimpleCommand>((context, command) =>
{
x += 1;
return(true);
}, (context, command, exception) =>
{
x += 2;
});
var event2 = new MockEvent <SimpleCommand>((context, command) =>
{
x += 3;
return(true);
}, (context, command, exception) =>
{
x += 4;
});
store.Register <SimpleCommand>(event1);
store.Register <SimpleCommand>(event2);
Assert.True(store.RaiseExecuting <SimpleCommand>(null, null));
Assert.Equal(5, x);
store.RaiseExecuted <SimpleCommand>(null, null, null);
Assert.Equal(11, x);
store.UnregisterAll <SimpleCommand>();
x = 1;
Assert.True(store.RaiseExecuting <SimpleCommand>(null, null));
Assert.Equal(1, x);
store.RaiseExecuted <SimpleCommand>(null, null, null);
Assert.Equal(1, x);
}
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 async Task <Guid> Create(ProductTrade newTrade)
{
// 1) raise domain events
AddDomainEvent(new TradeRegisteredEvent(newTrade.Id));
// store the object
await _context.ProductTrade.AddAsync(newTrade);
var command = new TradeRegisteredCommand(Guid.NewGuid(), newTrade.TradeId);
var domainEvent = new EventStore();
domainEvent.Id = command.Id;
domainEvent.EnqueueDate = DateTime.UtcNow;
domainEvent.Type = command.GetType().FullName;
domainEvent.Data = JsonConvert.SerializeObject(command);
await _context.EventStore.AddAsync(domainEvent);
// save changes
await _context.SaveChangesAsync();
return(newTrade.Id);
}
private void RegisterRepositories(UnityContainer container)
{
// repository
var eventSourcingAccount = CloudStorageAccount.Parse(this.azureSettings.EventSourcing.ConnectionString);
var ordersEventStore = new EventStore(eventSourcingAccount, this.azureSettings.EventSourcing.OrdersTableName);
var seatsAvailabilityEventStore = new EventStore(eventSourcingAccount, this.azureSettings.EventSourcing.SeatsAvailabilityTableName);
container.RegisterInstance<IEventStore>("orders", ordersEventStore);
container.RegisterInstance<IPendingEventsQueue>("orders", ordersEventStore);
container.RegisterInstance<IEventStore>("seatsavailability", seatsAvailabilityEventStore);
container.RegisterInstance<IPendingEventsQueue>("seatsavailability", seatsAvailabilityEventStore);
container.RegisterType<IEventStoreBusPublisher, EventStoreBusPublisher>(
"orders",
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new ResolvedParameter<IMessageSender>("orders"),
new ResolvedParameter<IPendingEventsQueue>("orders"),
new EventStoreBusPublisherInstrumentation("worker - orders", this.instrumentationEnabled)));
container.RegisterType<IEventStoreBusPublisher, EventStoreBusPublisher>(
"seatsavailability",
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new ResolvedParameter<IMessageSender>("seatsavailability"),
new ResolvedParameter<IPendingEventsQueue>("seatsavailability"),
new EventStoreBusPublisherInstrumentation("worker - seatsavailability", this.instrumentationEnabled)));
var cache = new MemoryCache("RepositoryCache");
container.RegisterType<IEventSourcedRepository<Order>, AzureEventSourcedRepository<Order>>(
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new ResolvedParameter<IEventStore>("orders"),
new ResolvedParameter<IEventStoreBusPublisher>("orders"),
typeof(ITextSerializer),
typeof(IMetadataProvider),
cache));
container.RegisterType<IEventSourcedRepository<SeatAssignments>, AzureEventSourcedRepository<SeatAssignments>>(
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new ResolvedParameter<IEventStore>("orders"),
new ResolvedParameter<IEventStoreBusPublisher>("orders"),
typeof(ITextSerializer),
typeof(IMetadataProvider),
cache));
container.RegisterType<IEventSourcedRepository<SeatsAvailability>, AzureEventSourcedRepository<SeatsAvailability>>(
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new ResolvedParameter<IEventStore>("seatsavailability"),
new ResolvedParameter<IEventStoreBusPublisher>("seatsavailability"),
typeof(ITextSerializer),
typeof(IMetadataProvider),
cache));
// to satisfy the IProcessor requirements.
container.RegisterInstance<IProcessor>(
"OrdersEventStoreBusPublisher",
new PublisherProcessorAdapter(container.Resolve<IEventStoreBusPublisher>("orders"), this.cancellationTokenSource.Token));
container.RegisterInstance<IProcessor>(
"SeatsAvailabilityEventStoreBusPublisher",
new PublisherProcessorAdapter(container.Resolve<IEventStoreBusPublisher>("seatsavailability"), this.cancellationTokenSource.Token));
}
public BalanceController(EventStore eventStore, ReadModel readModel)
{
_eventStore = eventStore;
_readModel = readModel;
}
public virtual IAudienceState GetHistoryState(string clientId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IAudienceStateEvent), ToEventStoreAggregateId(clientId), version - 1);
return(new AudienceState(eventStream.Events));
}
public virtual IUserLoginMvoState GetHistoryState(UserLoginId userLoginId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IUserLoginMvoStateEvent), ToEventStoreAggregateId(userLoginId), version - 1);
return(new UserLoginMvoState(eventStream.Events));
}
public void EventAppeared(EventStore.Core.Data.ResolvedEvent resolvedEvent)
{
_eventAppeared(_subscription, new ResolvedEvent(resolvedEvent.ConvertToClientResolvedEvent()));
}
public EventStoreBuilder()
{
_store = WithDefaults();
}
public virtual IPartyState GetHistoryState(string partyId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IPartyEvent), ToEventStoreAggregateId(partyId), version - 1);
return(new PartyState(eventStream.Events));
}
/// <summary>
/// 取消指定事件数据的所有处理器
/// </summary>
/// <param name="eventType">事件数据类型</param>
public virtual void UnsubscribeAll(Type eventType)
{
EventStore.RemoveAll(eventType);
}
public Exchange(EventStore <OrderPlaced> orderStore)
{
_orderStore = orderStore;
_orderBook = new OrderBook();
}
/// <summary>
/// 取消订阅指定事件数据的事件处理委托
/// </summary>
/// <typeparam name="TEventData">事件数据类型</typeparam>
/// <param name="action">事件处理委托</param>
public virtual void Unsubscribe <TEventData>(Action <TEventData> action) where TEventData : IEventData
{
Check.NotNull(action, nameof(action));
EventStore.Remove(action);
}
static partial void OnCreateContainer(UnityContainer container)
{
var serializer = new JsonTextSerializer();
container.RegisterInstance<ITextSerializer>(serializer);
var metadata = new StandardMetadataProvider();
container.RegisterInstance<IMetadataProvider>(metadata);
var instrumentationEnabled = CloudConfigurationManager.GetSetting("InstrumentationEnabled") == "true";
// command bus
var settings = InfrastructureSettings.Read(HttpContext.Current.Server.MapPath(@"~\bin\Settings.xml"));
if (!Conference.Common.MaintenanceMode.IsInMaintainanceMode)
{
new ServiceBusConfig(settings.ServiceBus).Initialize();
}
var commandBus = new CommandBus(new TopicSender(settings.ServiceBus, "conference/commands"), metadata, serializer);
var synchronousCommandBus = new SynchronousCommandBusDecorator(commandBus);
container.RegisterInstance<ICommandBus>(synchronousCommandBus);
container.RegisterInstance<ICommandHandlerRegistry>(synchronousCommandBus);
// blob
var blobStorageAccount = CloudStorageAccount.Parse(settings.BlobStorage.ConnectionString);
container.RegisterInstance<IBlobStorage>(new CloudBlobStorage(blobStorageAccount, settings.BlobStorage.RootContainerName));
// support for inline command processing
container.RegisterType<ICommandHandler, OrderCommandHandler>("OrderCommandHandler");
container.RegisterType<ICommandHandler, ThirdPartyProcessorPaymentCommandHandler>("ThirdPartyProcessorPaymentCommandHandler");
container.RegisterType<ICommandHandler, SeatAssignmentsHandler>("SeatAssignmentsHandler");
container.RegisterType<DbContext, PaymentsDbContext>("payments", new TransientLifetimeManager(), new InjectionConstructor("Payments"));
container.RegisterType<IDataContext<ThirdPartyProcessorPayment>, SqlDataContext<ThirdPartyProcessorPayment>>(
new TransientLifetimeManager(),
new InjectionConstructor(new ResolvedParameter<Func<DbContext>>("payments"), typeof(IEventBus)));
container.RegisterType<IPricingService, PricingService>(new ContainerControlledLifetimeManager());
var topicSender = new TopicSender(settings.ServiceBus, "conference/events");
container.RegisterInstance<IMessageSender>(topicSender);
var eventBus = new EventBus(topicSender, metadata, serializer);
container.RegisterInstance<IEventBus>(eventBus);
var eventSourcingAccount = CloudStorageAccount.Parse(settings.EventSourcing.ConnectionString);
var eventStore = new EventStore(eventSourcingAccount, settings.EventSourcing.OrdersTableName);
container.RegisterInstance<IEventStore>(eventStore);
container.RegisterInstance<IPendingEventsQueue>(eventStore);
container.RegisterType<IEventStoreBusPublisher, EventStoreBusPublisher>(
new ContainerControlledLifetimeManager(),
new InjectionConstructor(
new TopicSender(settings.ServiceBus, "conference/eventsOrders"),
typeof(IPendingEventsQueue),
new EventStoreBusPublisherInstrumentation("web.public - orders", instrumentationEnabled)));
container.RegisterType(
typeof(IEventSourcedRepository<>),
typeof(AzureEventSourcedRepository<>),
new ContainerControlledLifetimeManager(),
new InjectionConstructor(typeof(IEventStore), typeof(IEventStoreBusPublisher), typeof(ITextSerializer), typeof(IMetadataProvider), new InjectionParameter<ObjectCache>(null)));
// to satisfy the IProcessor requirements.
container.RegisterType<IProcessor, PublisherProcessorAdapter>("EventStoreBusPublisher", new ContainerControlledLifetimeManager());
}
public virtual IOrderState GetHistoryState(string orderId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IOrderEvent), ToEventStoreAggregateId(orderId), version - 1);
return(new OrderState(eventStream.Events));
}
public virtual IPicklistItemMvoState GetHistoryState(PicklistBinPicklistItemId picklistBinPicklistItemId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IPicklistItemMvoEvent), ToEventStoreAggregateId(picklistBinPicklistItemId), version - 1);
return(new PicklistItemMvoState(eventStream.Events));
}
protected void SendPrerecordedEvent(
EventStore.Core.Data.ResolvedEvent pair, CheckpointTag positionTag,
long prerecordedEventMessageSequenceNumber)
{
var position = pair.OriginalEvent;
var committedEvent = new ReaderSubscriptionMessage.CommittedEventDistributed(
Guid.Empty,
new ResolvedEvent(
position.EventStreamId, position.EventNumber, pair.Event.EventStreamId, pair.Event.EventNumber,
pair.Link != null, new TFPos(-1, position.LogPosition), new TFPos(-1, pair.Event.LogPosition),
pair.Event.EventId, pair.Event.EventType, (pair.Event.Flags & PrepareFlags.IsJson) != 0,
pair.Event.Data, pair.Event.Metadata, pair.Link == null ? null : pair.Link.Metadata, null,
pair.Event.TimeStamp), null, -1, source: this.GetType());
_publisher.Publish(
EventReaderSubscriptionMessage.CommittedEventReceived.FromCommittedEventDistributed(
committedEvent, positionTag, null, _projectionCorrelationId,
prerecordedEventMessageSequenceNumber));
}
public virtual IGoodIdentificationTypeState GetHistoryState(string goodIdentificationTypeId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IGoodIdentificationTypeEvent), ToEventStoreAggregateId(goodIdentificationTypeId), version - 1);
return(new GoodIdentificationTypeState(eventStream.Events));
}
private void RegisterRepository(UnityContainer container)
{
// repository
var eventSourcingAccount = CloudStorageAccount.Parse(this.azureSettings.EventSourcing.ConnectionString);
var eventStore = new EventStore(eventSourcingAccount, this.azureSettings.EventSourcing.TableName);
container.RegisterInstance<IEventStore>(eventStore);
container.RegisterInstance<IPendingEventsQueue>(eventStore);
container.RegisterInstance<IEventStoreBusPublisherInstrumentation>(new EventStoreBusPublisherInstrumentation("v3migration", this.instrumentationEnabled));
container.RegisterType<IEventStoreBusPublisher, EventStoreBusPublisher>(new ContainerControlledLifetimeManager());
var cache = new MemoryCache("RepositoryCache");
container.RegisterType(
typeof(IEventSourcedRepository<>),
typeof(AzureEventSourcedRepository<>),
new ContainerControlledLifetimeManager(),
new InjectionConstructor(typeof(IEventStore), typeof(IEventStoreBusPublisher), typeof(ITextSerializer), typeof(IMetadataProvider), cache));
// to satisfy the IProcessor requirements.
container.RegisterInstance<IProcessor>("EventStoreBusPublisher", new PublisherProcessorAdapter(
container.Resolve<IEventStoreBusPublisher>(), this.cancellationTokenSource.Token));
}
/// <summary>
/// Store a game that has been entered.
/// Also updates the stats when done.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonStore_Click(object sender, EventArgs e)
{
EventStore?.Invoke();
}
public virtual IRejectionReasonState GetHistoryState(string rejectionReasonId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IRejectionReasonEvent), ToEventStoreAggregateId(rejectionReasonId), version - 1);
return(new RejectionReasonState(eventStream.Events));
}
/// <summary>
/// 将命令事件持久化
/// </summary>
/// <param name="theEvent"></param>
public void Store(EventStore theEvent)
{
_context.EventStore.Add(theEvent);
_context.SaveChanges();
}
private void EnqueueStreamForProcessing(EventStore.Core.Data.ResolvedEvent resolvedEvent)
{
//TODO: consider catalog referring to earlier written events (should we check here?)
if (resolvedEvent.OriginalEvent.LogPosition > _limitingCommitPosition)
return;
var streamId = SystemEventTypes.StreamReferenceEventToStreamId(resolvedEvent.Event.EventType, resolvedEvent.Event.Data);
_pendingStreams.Enqueue(streamId);
_catalogNextSequenceNumber = resolvedEvent.OriginalEventNumber;
}
public async Task AppendAsync(EventStore @event)
{
await _dbSet.AddAsync(@event);
}
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
RegisterGlobalFilters(GlobalFilters.Filters);
RegisterRoutes(RouteTable.Routes);
var builder = new ContainerBuilder();
builder.RegisterModule(new NHibernateSessionModule());
//builder.RegisterModule(new ReportingSessionModule());
builder.RegisterModule(new QueryModule());
builder.RegisterControllers(Assembly.GetExecutingAssembly());
var container = builder.Build();
_container = container;
QueryModule._container = _container;
DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
var rabbitMQPublisher = new RabbitMQPublisher(System.Configuration.ConfigurationManager.AppSettings["CLOUDAMQP_URL"]);
//Use RabbitMQ
//var commandBus = new CommandBus(rabbitMQPublisher);
var commandBus = new CommandBus();
var eventStore = new EventStore(commandBus, container.Resolve<ISessionFactory>());
//Context
var transferMoneyContext = new TransferMoneyContext(eventStore);
var createBankAccountContext = new CreateBankAccountContext(eventStore);
var changeAccountAndBalanceContext = new ChangeAccountNameAndBalanceContext(eventStore);
var createCustomerContext = new CreateCustomerContext(eventStore);
var addCustomerAddressContext = new AddCustomerAddressContext(eventStore);
var stockNewProductContext = new StockNewProductContext(eventStore);
var placeOrderContext = new PlaceOrderContext(eventStore);
//Register Command
commandBus.RegisterHandlerCommand<OpenAccountCommand>(createBankAccountContext.Handle);
commandBus.RegisterHandlerCommand<TransferMoneyCommand>(transferMoneyContext.Handle);
commandBus.RegisterHandlerCommand<ChangeAccountNameAndBalanceCommand>(changeAccountAndBalanceContext.Handle);
commandBus.RegisterHandlerCommand<CreateCustomerCommand>(createCustomerContext.Handle);
commandBus.RegisterHandlerCommand<AddCustomerAddressCommand>(addCustomerAddressContext.Handle);
commandBus.RegisterHandlerCommand<CreateProductCommand>(stockNewProductContext.Handle);
commandBus.RegisterHandlerCommand<PlaceOrderCommand>(placeOrderContext.Handle);
//Report View
var accountReportView = new AccountReportView(container.Resolve<ISessionFactory>());
//Register Event
commandBus.RegisterHandlerEvent<AccountCreatedEvent>(accountReportView.Handle);
commandBus.RegisterHandlerEvent<AccountNameAndBalanceChangedEvent>(accountReportView.Handle);
commandBus.RegisterHandlerEvent<BalanceDecreasedEvent>(accountReportView.Handle);
commandBus.RegisterHandlerEvent<BalanceIncreasedEvent>(accountReportView.Handle);
//Report View
var customerReportView = new CustomerReportView(container.Resolve<ISessionFactory>());
//Register Event
commandBus.RegisterHandlerEvent<CustomerCreatedEvent>(customerReportView.Handle);
commandBus.RegisterHandlerEvent<CustomerAddressAddedEvent>(customerReportView.Handle);
var placeOrderView = new PlaceOrderView(container.Resolve<ISessionFactory>());
commandBus.RegisterHandlerEvent<OrderPlacedEvent>(placeOrderView.Handle);
var productStockReportView = new ProductStockReportView(container.Resolve<ISessionFactory>());
commandBus.RegisterHandlerEvent<ProductCreatedEvent>(productStockReportView.Handle);
//ServiceLocator.Pub = rabbitMQPublisher;
ServiceLocator.Bus = commandBus;
//ServiceLocator.Sub = rabbitMQSubsriber;
}
protected void SendPrerecordedEvent(
EventStore.Core.Data.ResolvedEvent pair, CheckpointTag positionTag,
long prerecordedEventMessageSequenceNumber)
{
var committedEvent = new ReaderSubscriptionMessage.CommittedEventDistributed(
Guid.Empty, new ResolvedEvent(pair, null), null, -1, source: this.GetType());
_publisher.Publish(
EventReaderSubscriptionMessage.CommittedEventReceived.FromCommittedEventDistributed(
committedEvent, positionTag, null, _projectionCorrelationId,
prerecordedEventMessageSequenceNumber));
}
private void RegisterRepository(UnityContainer container)
{
// repository
var eventSourcingAccount = CloudStorageAccount.Parse(this.azureSettings.EventSourcing.ConnectionString);
var eventStore = new EventStore(eventSourcingAccount, this.azureSettings.EventSourcing.TableName);
container.RegisterInstance<IEventStore>(eventStore);
container.RegisterInstance<IPendingEventsQueue>(eventStore);
container.RegisterType<IEventStoreBusPublisher, EventStoreBusPublisher>(new ContainerControlledLifetimeManager());
container.RegisterType(typeof(IEventSourcedRepository<>), typeof(AzureEventSourcedRepository<>), new ContainerControlledLifetimeManager());
// to satisfy the IProcessor requirements.
container.RegisterInstance<IProcessor>("EventStoreBusPublisher", new PublisherProcessorAdapter(
container.Resolve<IEventStoreBusPublisher>(), this.cancellationTokenSource.Token));
}
public BuyOrderCreatedHandler(EventStore eventStore) =>
protected void SendPrerecordedEvent(
EventStore.Core.Data.ResolvedEvent pair, CheckpointTag positionTag, long prerecordedEventMessageSequenceNumber)
{
var position = pair.OriginalEvent;
var committedEvent = new ProjectionCoreServiceMessage.CommittedEventDistributed(
Guid.Empty, default(EventPosition), position.EventStreamId, position.EventNumber,
pair.Event.EventStreamId, pair.Event.EventNumber, pair.Link != null,
ResolvedEvent.Create(
pair.Event.EventId, pair.Event.EventType, (pair.Event.Flags & PrepareFlags.IsJson) != 0,
pair.Event.Data, pair.Event.Metadata, pair.Event.TimeStamp), null, -1);
_coreProjection.Handle(
ProjectionSubscriptionMessage.CommittedEventReceived.FromCommittedEventDistributed(
committedEvent, positionTag, null, Guid.Empty, prerecordedEventMessageSequenceNumber));
}
static void Main(string[] args)
{
var ex = new StockExchangeProvider();
using (var es = new EventStore("eventstream.db"))
using (var msgpump = new MessagePump(es)) {
IMessageContextManager mcm;
IMessageProcessor mp;
mcm = new BuyStockCommandContextManager();
mp = new BuyStockCommandProcessor();
msgpump.Register <BuyStockCommand>(mcm, mp);
mcm = new SellStockCommandManager(es);
mp = new SellStockCommandProcessor();
msgpump.Register <SellStockCommand>(mcm, mp);
mcm = new UpdatePortfolioCommandContextManager(es);
mp = new UpdatePortfolioCommandProcessor(ex);
msgpump.Register <UpdatePortfolioCommand>(mcm, mp);
mcm = new CandidateStocksQueryContextManager();
mp = new CandidateStocksQueryProcessor(ex);
msgpump.Register <CandidateStocksQuery>(mcm, mp);
mcm = new PortfolioQueryContextManager(es);
mp = new PortfolioQueryProcessor();
msgpump.Register <PortfolioQuery>(mcm, mp);
mcm = new PortfolioStockQueryContextManager(es);
mp = new PortfolioStockQueryProcessor();
msgpump.Register <PortfolioStockQuery>(mcm, mp);
var frontend = new UserInterface();
frontend.OnPortfolioQuery += q => {
var result = msgpump.Handle(q) as PortfolioQueryResult;
frontend.Display(result);
};
frontend.OnUpdatePortfolioCommand += c => {
msgpump.Handle(c);
var result = msgpump.Handle(new PortfolioQuery()) as PortfolioQueryResult;
frontend.Display(result);
};
frontend.OnCandidateStocksQuery += q => {
var result = msgpump.Handle(q) as CandidateStocksQueryResult;
if (frontend.SelectStockToBuy(result, out var cmd))
{
msgpump.Handle(cmd);
frontend.DisplayBuyConfirmation(cmd.StockSymbol, cmd.Qty, cmd.StockPrice);
}
};
frontend.OnPortfolioStockQuery += q => {
var result = msgpump.Handle(q) as PortfolioStockQueryResult;
if (frontend.SelectStockToSell(result, out var cmd))
{
msgpump.Handle(cmd);
frontend.DisplaySellConfirmation(cmd.StockSymbol);
}
};
frontend.Run();
}
}
public AuftragRepository(Guid aggregateId, EventStore store)
: base(aggregateId, store)
{
}
void Awake()
{
store = EventStore.getDefault();
currentEventId = 0;
}
public virtual IWarehouseState GetHistoryState(string warehouseId, long version)
{
var eventStream = EventStore.LoadEventStream(typeof(IWarehouseEvent), ToEventStoreAggregateId(warehouseId), version - 1);
return(new WarehouseState(eventStream.Events));
}
/// <summary>
/// 取消订阅指定事件数据的事件处理对象
/// </summary>
/// <param name="eventType">事件数据类型</param>
/// <param name="eventHandler">事件处理对象</param>
public virtual void Unsubscribe(Type eventType, IEventHandler eventHandler)
{
EventStore.Remove(eventType, eventHandler);
Logger.LogDebug($"移除事件“{eventType}”到处理器“{eventHandler.GetType()}”的订阅配对");
}
public void SetLoadedEvent(EventStore.Core.Data.ResolvedEvent eventLinkPair)
{
_result = eventLinkPair;
}
/// <summary>
/// 订阅指定事件数据的事件处理类型
/// </summary>
/// <typeparam name="TEventData">事件数据类型</typeparam>
/// <typeparam name="TEventHandler">事件处理器类型</typeparam>
public virtual void Subscribe <TEventData, TEventHandler>() where TEventData : IEventData where TEventHandler : IEventHandler, new()
{
EventStore.Add <TEventData, TEventHandler>();
}
private static async Task UseStreamApi(Tenant tenant, Guid aggregateID, string streamName, EventStore eventStore)
{
var stream = await eventStore.GetStreamAsync(tenant, streamName);
var version = await stream.GetCurrentVersionAsync(aggregateID);
await stream.EmitEventsAsync(aggregateID, version, new List <EventBase>
{
new SampleEvent {
Desc = "Event 1"
},
new SampleEvent {
Desc = "Event 2"
}
}, CancellationToken.None);
}
public void SetUp()
{
Target = new EventStore(DbContext);
}
private static async Task UseTxApi(Tenant tenant, Guid aggregateID, string streamName, EventStore eventStore)
{
await eventStore.ExecuteInTransactionAsync(tenant, streamName, aggregateID, async (tx) =>
{
tx.AddEvent(new SampleEvent {
Desc = "Event 3"
});
// Do somthing else
tx.AddEvent(new SampleEvent {
Desc = "Event 4"
});
tx.AddEvents(new List <EventBase> {
new SampleEvent {
Desc = "Event 5"
},
new SampleEvent {
Desc = "Event 6"
}
});
await Task.CompletedTask;
});
}
