public InteractionProcessor(IMessageSender sender, LifelineViewport viewport, NuclearStorage storage)
{
_sender = sender;
_viewport = viewport;
_storage = storage;
CurrentStoryId = new StoryId(Guid.Empty);
}
public Program(IMessageSender sender, IStoreEvents store, NuclearStorage storage)
{
this.sender = new SenderDecorator(sender);
this.store = store;
this.storage = storage;
reader = new ConsoleReader();
}
public InteractionProcessor(IMessageSender sender, LifelineViewport viewport, NuclearStorage storage)
{
_sender = sender;
_viewport = viewport;
_storage = storage;
CurrentStoryId = new StoryId(Guid.Empty);
}
public MessageStorePublisher(MessageStore store, MessageSender sender, NuclearStorage storage, Predicate <StoreRecord> recordShouldBePublished)
{
_store = store;
_sender = sender;
_storage = storage;
_recordShouldBePublished = recordShouldBePublished;
}
public MessageStorePublisher(MessageStore store, MessageSender sender, NuclearStorage storage, Predicate<StoreRecord> recordShouldBePublished)
{
_store = store;
_sender = sender;
_storage = storage;
_recordShouldBePublished = recordShouldBePublished;
}
public Program(IMessageSender sender, IStoreEvents store, NuclearStorage storage)
{
this.sender = new SenderDecorator(sender);
this.store = store;
this.storage = storage;
reader = new ConsoleReader();
}
private static void InitializeProjections(NuclearStorage documentStore, IEnumerable <ProjectionInfo> generatedInfos, List <ProjectionInfo> readyForUse, List <ProjectionInfo> needRebuild)
{
needRebuild.ForEach(p => p.Initialize(documentStore));
// for loaded projection initialize document store and projection
// if there's a problem - switch to using correlating generated projection
for (var i = 0; i < readyForUse.Count; i++)
{
var loadedProjectionInfo = readyForUse[i];
var relatedGeneratedProjection = generatedInfos.First(pi => pi == loadedProjectionInfo);
try
{
loadedProjectionInfo.Initialize(documentStore);
}
catch (Exception x)
{
NetcoLogger.GetLogger(typeof(PartitionedProjectionsInfo)).Log().Error(x, "Error encountered while initializing projection info: {0}", loadedProjectionInfo.ProjectionName);
// switch to using generated projection info for this projection to force rebuild
readyForUse.RemoveAt(i);
i--;
relatedGeneratedProjection.Initialize(documentStore);
needRebuild.Add(relatedGeneratedProjection);
}
}
}
public AggregateFactory(ITapeStorageFactory factory, IEnvelopeStreamer streamer, IQueueWriter writer, NuclearStorage storage, IIdentityGenerator generator)
{
_factory = factory;
_streamer = streamer;
_writer = writer;
_storage = storage;
_generator = generator;
}
public ProjectionsRebuilder(string name, IDocumentStore targetContainer, MessageStore eventsStore, Func <IDocumentStore, IEnumerable <object> > projectors)
{
this._name = name;
this._targetContainer = targetContainer;
this._eventsStore = eventsStore;
this._projectors = projectors;
this._storage = new NuclearStorage(targetContainer);
}
public MessageStorePublisher(string name, MessageStore store, MessageSender sender, NuclearStorage storage, Predicate <StoreRecord> recordShouldBePublished, int waitOnNoWorkInMilliseconds = 500)
{
_name = name;
_store = store;
_sender = sender;
_storage = storage;
_recordShouldBePublished = recordShouldBePublished;
_waitOnNoWorkInMilliseconds = waitOnNoWorkInMilliseconds;
}
protected static void SmartFailing(FailingMessage message, NuclearStorage storage)
{
var status = storage.GetSingletonOrNew <int>();
if (status < message.FailXTimes)
{
storage.AddOrUpdateSingleton(() => 1, i => i + 1);
throw new InvalidOperationException("Failure requested");
}
}
public void Initialize(NuclearStorage storage)
{
Condition.Requires(storage, "storage").IsNotNull();
if (this._checkpoint == null)
{
this._checkpoint = storage.GetEntityOrThrow <ProjectionCheckpoint>(this.ProjectionName);
}
this._store = storage;
}
static void Consume(CreateCustomer cmd, NuclearStorage storage, SimpleMessageSender sender)
{
var customer = new Customer(cmd.CustomerId, cmd.CustomerName);
storage.AddEntity(customer.Id, customer);
sender.SendOne(new CustomerCreated
{
CustomerId = cmd.CustomerId,
CustomerName = cmd.CustomerName
});
}
public void Init()
{
this._storeDictionary = new ConcurrentDictionary <string, ConcurrentDictionary <string, byte[]> >();
this._token = new CancellationToken();
this._documentStorage = new MemoryDocumentStore(this._storeDictionary, new DocumentStrategy());
this._storage = new NuclearStorage(this._documentStorage);
this._eventStore = new MessageStore(new MemoryAppendOnlyStore(), new DataSerializer(new List <Type> {
typeof(TestEvent), typeof(OnEvent), typeof(OffEvent)
}));
}
static void Consume(CreateCustomer cmd, NuclearStorage storage, SimpleMessageSender sender)
{
var customer = new Customer(cmd.CustomerId, cmd.CustomerName);
storage.AddEntity(customer.Id, customer);
sender.SendOne(new CustomerCreated
{
CustomerId = cmd.CustomerId,
CustomerName = cmd.CustomerName
});
}
public async Task ResetUnitialized(IDocumentStore documentStore)
{
Condition.WithExceptionOnFailure <InvalidOperationException>().Requires(this._store, "_store").IsNull("ProjectionInfo is initialized, but is being reset with different document store");
var storage = new NuclearStorage(documentStore);
await storage.TryDeleteEntityAsync <ProjectionCheckpoint>(this.ProjectionName);
await Task.WhenAll(this.ViewBuckets.Select(documentStore.ResetAsync));
this._checkpoint = new ProjectionCheckpoint();
}
public static IEnumerable<object> ApplicationServices(IDocumentStore docs, IEventStore store)
{
var storage = new NuclearStorage(docs);
var id = new DomainIdentityGenerator(storage);
var unique = new UserIndexService(storage);
var passwords = new PasswordGenerator();
yield return new UserApplicationService(store);
yield return new SecurityApplicationService(store, id, passwords, unique);
yield return new RegistrationApplicationService(store, id, unique, passwords);
yield return id;
}
public void Init()
{
this._storeMock = Substitute.For <IDocumentStore>();
ProjectionCheckpoint chetkpointOut;
this._storeMock.GetReader <object, ProjectionCheckpoint>().TryGet(Arg.Any <object>(), out chetkpointOut).Returns(x =>
{
x[1] = new ProjectionCheckpoint();
return(true);
});
this._storage = new NuclearStorage(this._storeMock);
}
protected static void Consume(Act message, NuclearStorage storage)
{
new TransactionTester
{
OnCommit = () =>
{
var singleton = storage.AddOrUpdateSingleton(() => 1, i => i + 1);
Trace.WriteLine("Commit kicked " + singleton);
}
};
if (message.Fail)
throw new InvalidOperationException("Fail requested");
}
public static IEnumerable <object> ApplicationServices(IDocumentStore docs, IEventStore store)
{
var storage = new NuclearStorage(docs);
var id = new DomainIdentityGenerator(storage);
var unique = new UserIndexService(storage);
var passwords = new PasswordGenerator();
yield return(new UserApplicationService(store));
yield return(new SecurityApplicationService(store, id, passwords, unique));
yield return(new RegistrationApplicationService(store, id, unique, passwords));
yield return(id);
}
protected static void Consume(Act message, NuclearStorage storage)
{
new TransactionTester
{
OnCommit = () =>
{
var singleton = storage.AddOrUpdateSingleton(() => 1, i => i + 1);
Trace.WriteLine("Commit kicked " + singleton);
}
};
if (message.Fail)
{
throw new InvalidOperationException("Fail requested");
}
}
public void SetUp()
{
_storeRecords = new List<StoreRecord>();
_serializer = new TestMessageSerializer(new[] { typeof(SerializerTest1), typeof(SerializerTest2), typeof(string) });
_path = Path.Combine(Path.GetTempPath(), "MessageStorePublisher", Guid.NewGuid().ToString());
_appendOnlyStore = new FileAppendOnlyStore(new DirectoryInfo(_path));
_appendOnlyStore.Initialize();
_store = new MessageStore(_appendOnlyStore, _serializer);
var streamer = new EnvelopeStreamer(_serializer);
var queueWriter = new TestQueueWriter();
_sender = new MessageSender(streamer, queueWriter);
var store = new FileDocumentStore(Path.Combine(_path, "lokad-cqrs-test"), new DocumentStrategy());
_nuclearStorage = new NuclearStorage(store);
_publisher = new MessageStorePublisher(_store, _sender, _nuclearStorage, DoWePublishThisRecord);
}
public void SetUp()
{
_storeRecords = new List <StoreRecord>();
this._serializer = new TestMessageSerializer(new[] { typeof(SerializerTest1), typeof(SerializerTest2), typeof(string) });
this._path = Path.Combine(Path.GetTempPath(), "MessageStorePublisher", Guid.NewGuid().ToString());
this._appendOnlyStore = new FileAppendOnlyStore(new DirectoryInfo(this._path));
this._appendOnlyStore.Initialize();
this._store = new MessageStore(this._appendOnlyStore, this._serializer);
var streamer = new EnvelopeStreamer(this._serializer);
var queueWriter = new TestQueueWriter();
this._sender = new MessageSender(streamer, queueWriter);
var store = new FileDocumentStore(Path.Combine(this._path, "lokad-cqrs-test"), new DocumentStrategy());
this._nuclearStorage = new NuclearStorage(store);
this._publisher = new MessageStorePublisher("test-tape", this._store, this._sender, this._nuclearStorage, DoWePublishThisRecord);
}
void VerifyNonAtomic(NuclearStorage storage)
{
storage.AddOrUpdateEntity(1, new Entity());
storage.GetEntity<Entity>(1);
storage.UpdateEntity<Entity>(1, e => e.Do());
storage.TryDeleteEntity<Entity>(1);
storage.AddOrUpdateSingleton(() => new Entity(), e => e.Do());
storage.UpdateSingletonEnforcingNew<Entity>(e => e.Do());
storage.GetSingleton<Entity>();
storage.TryDeleteSingleton<Entity>();
storage.UpdateSingleton<Entity>(e => e.Do());
//storage.UpdateOrAddEntity<Entity>(1, e => e.Do());
//storage.TryDelete<Entity>(1);
//storage.SaveSingleton(new Entity());
//storage.GetSingleton<Entity>();
//storage.UpdateSingleton<Entity>(e => e.Do());
//storage.TryDeleteSingleton<Entity>();
}
public Handler(NuclearStorage storage)
{
_storage = storage;
}
private static void AssertContents(NuclearStorage setup)
{
Assert.AreEqual("test", setup.GetEntity<string>(1).Value);
Assert.AreEqual(1, setup.GetSingleton<int>().Value);
}
protected static void SmartFailing(FailingMessage message, NuclearStorage storage)
{
var status = storage.GetSingletonOrNew<int>();
if (status < message.FailXTimes)
{
storage.AddOrUpdateSingleton(() => 1, i => i + 1);
throw new InvalidOperationException("Failure requested");
}
}
public static void Rebuild(IDocumentStore targetContainer, ITapeStream stream)
{
var strategy = targetContainer.Strategy;
var memory = new MemoryStorageConfig();
var memoryContainer = memory.CreateNuclear(strategy).Container;
var tracked = new ProjectionInspectingContainer(memoryContainer);
var projections = new List <object>();
projections.AddRange(DomainBoundedContext.Projections(tracked));
projections.AddRange(ClientBoundedContext.Projections(tracked));
//projections.AddRange(ApiOpsBoundedContext.Projections(tracked));
if (tracked.Buckets.Count != projections.Count())
{
throw new InvalidOperationException("Count mismatch");
}
var storage = new NuclearStorage(targetContainer);
var hashes = storage.GetSingletonOrNew <ProjectionHash>().Entries;
var memoryProjections = projections.Select((projection, i) =>
{
var bucketName = tracked.Buckets[i];
var viewType = tracked.Views[i];
var projectionHash = GetClassHash(projection.GetType()) + "\r\n" + GetClassHash(viewType);
bool needsRebuild = !hashes.ContainsKey(bucketName) || hashes[bucketName] != projectionHash;
return(new
{
bucketName,
projection,
hash = projectionHash,
needsRebuild
});
}).ToArray();
foreach (var memoryProjection in memoryProjections)
{
if (memoryProjection.needsRebuild)
{
SystemObserver.Notify("[warn] {0} needs rebuild", memoryProjection.bucketName);
}
else
{
SystemObserver.Notify("[good] {0} is up-to-date", memoryProjection.bucketName);
}
}
var needRebuild = memoryProjections.Where(x => x.needsRebuild).ToArray();
if (needRebuild.Length == 0)
{
return;
}
var watch = Stopwatch.StartNew();
var wire = new RedirectToDynamicEvent();
needRebuild.ForEach(x => wire.WireToWhen(x.projection));
var handlersWatch = Stopwatch.StartNew();
Observe(stream, wire);
var timeTotal = watch.Elapsed.TotalSeconds;
var handlerTicks = handlersWatch.ElapsedTicks;
var timeInHandlers = Math.Round(TimeSpan.FromTicks(handlerTicks).TotalSeconds, 1);
Console.WriteLine("Total Elapsed: {0}sec ({1}sec in handlers)", Math.Round(timeTotal, 0), timeInHandlers);
// delete projections that were rebuilt
var bucketNames = needRebuild.Select(x => x.bucketName).ToArray();
foreach (var name in bucketNames)
{
targetContainer.Reset(name);
var contents = memoryContainer.EnumerateContents(name);
targetContainer.WriteContents(name, contents);
}
var allBuckets = new HashSet <string>(memoryProjections.Select(p => p.bucketName));
var obsolete = hashes.Keys.Where(s => !allBuckets.Contains(s)).ToArray();
foreach (var name in obsolete)
{
SystemObserver.Notify("[warn] {0} is obsolete", name);
targetContainer.Reset(name);
}
storage.UpdateSingletonEnforcingNew <ProjectionHash>(x =>
{
x.Entries.Clear();
foreach (var prj in memoryProjections)
{
x.Entries[prj.bucketName] = prj.hash;
}
});
}
public UserIndexService(NuclearStorage storage)
{
_storage = storage;
}
public AccountHandler(Func <Definitions.Define.MyContext> context, AccountAggregateRepository repository, NuclearStorage storage)
{
_context = context;
_storage = storage;
_repository = repository;
}
public IdentityGenerator(NuclearStorage storage)
{
_storage = storage;
}
public ViewHandler(NuclearStorage storage, Func <MyMessageContext> contextFactory)
{
this.storage = storage;
this.contextFactory = contextFactory;
}
public PubSubRouter(NuclearStorage storage, IQueueWriterFactory queueFactory, IEnvelopeStreamer streamer)
{
_storage = storage;
_queueFactory = queueFactory;
_streamer = streamer;
}
public UserIndexService(NuclearStorage storage)
{
_storage = storage;
}
public Container Build()
{
var appendOnlyStore = CreateTapes(TapesContainer);
var messageStore = new MessageStore(appendOnlyStore, Streamer.MessageSerializer);
var toCommandRouter = new MessageSender(Streamer, CreateQueueWriter(RouterQueue));
var toFunctionalRecorder = new MessageSender(Streamer, CreateQueueWriter(FunctionalRecorderQueue));
var toEventHandlers = new MessageSender(Streamer, CreateQueueWriter(EventProcessingQueue));
var sender = new TypedMessageSender(toCommandRouter, toFunctionalRecorder);
var store = new EventStore(messageStore);
var quarantine = new EnvelopeQuarantine(Streamer, sender, Streaming.GetContainer(ErrorsContainer));
var builder = new CqrsEngineBuilder(Streamer, quarantine);
var events = new RedirectToDynamicEvent();
var commands = new RedirectToCommand();
var funcs = new RedirectToCommand();
builder.Handle(CreateInbox(EventProcessingQueue), aem => CallHandlers(events, aem), "watch");
builder.Handle(CreateInbox(AggregateHandlerQueue), aem => CallHandlers(commands, aem));
builder.Handle(CreateInbox(RouterQueue), MakeRouter(messageStore), "watch");
// multiple service queues
_serviceQueues.ForEach(s => builder.Handle(CreateInbox(s), aem => CallHandlers(funcs, aem)));
builder.Handle(CreateInbox(FunctionalRecorderQueue), aem => RecordFunctionalEvent(aem, messageStore));
var viewDocs = CreateDocs(ViewStrategy);
var stateDocs = new NuclearStorage(CreateDocs(DocStrategy));
var vector = new DomainIdentityGenerator(stateDocs);
//var ops = new StreamOps(Streaming);
var projections = new ProjectionsConsumingOneBoundedContext();
// Domain Bounded Context
DomainBoundedContext.EntityApplicationServices(viewDocs, store, vector).ForEach(commands.WireToWhen);
DomainBoundedContext.FuncApplicationServices().ForEach(funcs.WireToWhen);
DomainBoundedContext.Ports(sender).ForEach(events.WireToWhen);
DomainBoundedContext.Tasks(sender, viewDocs, true).ForEach(builder.AddTask);
projections.RegisterFactory(DomainBoundedContext.Projections);
// Client Bounded Context
projections.RegisterFactory(ClientBoundedContext.Projections);
// wire all projections
projections.BuildFor(viewDocs).ForEach(events.WireToWhen);
// wire in event store publisher
var publisher = new MessageStorePublisher(messageStore, toEventHandlers, stateDocs, DoWePublishThisRecord);
builder.AddTask(c => Task.Factory.StartNew(() => publisher.Run(c)));
return(new Container
{
Builder = builder,
Setup = this,
SendToCommandRouter = toCommandRouter,
MessageStore = messageStore,
ProjectionFactories = projections,
ViewDocs = viewDocs,
Publisher = publisher,
AppendOnlyStore = appendOnlyStore
});
}
protected static void HandleNuclear(NuclearMessage msg, SimpleMessageSender sender, NuclearStorage storage)
{
var count = storage.AddOrUpdateSingleton(() => 1, i => i + 1);
if (count >= 2)
{
sender.SendBatch(new object[] {}, e => e.AddString("ok"));
return;
}
sender.SendOne(new NuclearMessage());
}
public DomainIdentityGenerator(NuclearStorage storage)
{
_storage = storage;
}
public static void Rebuild(CancellationToken token, IDocumentStore targetContainer, MessageStore stream, Func <IDocumentStore, IEnumerable <object> > projectors)
{
var strategy = targetContainer.Strategy;
var memory = new MemoryStorageConfig();
var memoryContainer = memory.CreateNuclear(strategy).Container;
var tracked = new ProjectionInspectingStore(memoryContainer);
var projections = new List <object>();
projections.AddRange(projectors(tracked));
if (tracked.Projections.Count != projections.Count())
{
throw new InvalidOperationException("Count mismatch");
}
tracked.ValidateSanity();
var storage = new NuclearStorage(targetContainer);
var persistedHashes = new Dictionary <string, string>();
var name = "domain";
storage.GetEntity <ProjectionHash>(name).IfValue(v => persistedHashes = v.BucketHashes);
var activeMemoryProjections = projections.Select((projection, i) =>
{
var proj = tracked.Projections[i];
var bucketName = proj.StoreBucket;
var viewType = proj.EntityType;
var projectionHash =
"Global change on 2012-08-24\r\n" +
GetClassHash(projection.GetType()) +
"\r\n " + GetClassHash(viewType) + "\r\n" + GetClassHash(strategy.GetType());
bool needsRebuild = !persistedHashes.ContainsKey(bucketName) || persistedHashes[bucketName] != projectionHash;
return(new
{
bucketName,
projection,
hash = projectionHash,
needsRebuild
});
}).ToArray();
foreach (var memoryProjection in activeMemoryProjections)
{
if (memoryProjection.needsRebuild)
{
SystemObserver.Notify("[warn] {0} needs rebuild", memoryProjection.bucketName);
}
else
{
SystemObserver.Notify("[good] {0} is up-to-date", memoryProjection.bucketName);
}
}
var needRebuild = activeMemoryProjections.Where(x => x.needsRebuild).ToArray();
if (needRebuild.Length == 0)
{
return;
}
var watch = Stopwatch.StartNew();
var wire = new RedirectToDynamicEvent();
needRebuild.ForEach(x => wire.WireToWhen(x.projection));
var handlersWatch = Stopwatch.StartNew();
ObserveWhileCan(stream.EnumerateAllItems(0, int.MaxValue), wire, token);
if (token.IsCancellationRequested)
{
SystemObserver.Notify("[warn] Aborting projections before anything was changed");
return;
}
var timeTotal = watch.Elapsed.TotalSeconds;
var handlerTicks = handlersWatch.ElapsedTicks;
var timeInHandlers = Math.Round(TimeSpan.FromTicks(handlerTicks).TotalSeconds, 1);
SystemObserver.Notify("Total Elapsed: {0}sec ({1}sec in handlers)", Math.Round(timeTotal, 0), timeInHandlers);
// update projections that need rebuild
foreach (var b in needRebuild)
{
// server might shut down the process soon anyway, but we'll be
// in partially consistent mode (not all projections updated)
// so at least we blow up between projection buckets
token.ThrowIfCancellationRequested();
var bucketName = b.bucketName;
var bucketHash = b.hash;
// wipe contents
targetContainer.Reset(bucketName);
// write new versions
var contents = memoryContainer.EnumerateContents(bucketName);
targetContainer.WriteContents(bucketName, contents);
// update hash
storage.UpdateEntityEnforcingNew <ProjectionHash>(name, x =>
{
x.BucketHashes[bucketName] = bucketHash;
});
SystemObserver.Notify("[good] Updated View bucket {0}.{1}", name, bucketName);
}
// Clean up obsolete views
var allBuckets = new HashSet <string>(activeMemoryProjections.Select(p => p.bucketName));
var obsoleteBuckets = persistedHashes.Where(s => !allBuckets.Contains(s.Key)).ToArray();
foreach (var hash in obsoleteBuckets)
{
// quit at this stage without any bad side effects
if (token.IsCancellationRequested)
{
return;
}
var bucketName = hash.Key;
SystemObserver.Notify("[warn] {0} is obsolete", bucketName);
targetContainer.Reset(bucketName);
storage.UpdateEntityEnforcingNew <ProjectionHash>(name, x => x.BucketHashes.Remove(bucketName));
SystemObserver.Notify("[good] Cleaned up obsolete view bucket {0}.{1}", name, bucketName);
}
}
public WebEndpoint(NuclearStorage store, IEnvelopeStreamer streamer, IQueueWriter writer)
{
_store = store;
_streamer = streamer;
_writer = writer;
}
public void Init()
{
this._storeMock = Substitute.For <IDocumentStore>();
this._storage = new NuclearStorage(this._storeMock);
}
public CustomerHandler(NuclearStorage storage, IMessageSender sender)
{
_storage = storage;
_sender = sender;
}
public InteractionContext(InteractionRequest request, NuclearStorage storage, InteractionResponse response)
{
Request = request;
Storage = storage;
Response = response;
}
public PubSubRouter(NuclearStorage storage, IQueueWriterFactory queueFactory, IEnvelopeStreamer streamer)
{
_storage = storage;
_queueFactory = queueFactory;
_streamer = streamer;
}
public InteractionContext(InteractionRequest request, NuclearStorage storage, InteractionResponse response)
{
Request = request;
Storage = storage;
Response = response;
}
public static PartitionedProjectionsInfo Partition(IEnumerable <ProjectionInfo> loadedInfos, IEnumerable <ProjectionInfo> generatedInfos, NuclearStorage documentStore)
{
var readyForUse = loadedInfos.Where(li => generatedInfos.Any(gi => li == gi)).ToList();
var needRebuild = generatedInfos.Where(gi => readyForUse.All(r => r != gi)).ToList();
// filter out all ready for use and any that needs to be rebuilt (by name, since hash is going to be different)
var obsolete = loadedInfos.Where(li => readyForUse.All(r => r != li) && needRebuild.Select(r => r.ProjectionName).All(r => !r.Equals(li.ProjectionName, StringComparison.OrdinalIgnoreCase))).ToList();
InitializeProjections(documentStore, generatedInfos, readyForUse, needRebuild);
ValidateSanity(readyForUse, needRebuild, obsolete);
return(new PartitionedProjectionsInfo(readyForUse, obsolete, needRebuild));
}
