public void when_wire_to_object_where_argument_is_interface()
{
var dynamicEvent = new RedirectToDynamicEvent();
var testClass = new TestClassWithInterfaceMethod();
dynamicEvent.WireToWhen(testClass);
}
public void when_wire_to_object()
{
var dynamicEvent = new RedirectToDynamicEvent();
var testClass = new TestClassWithMethod();
dynamicEvent.WireToWhen(testClass);
var t = new TestRedirectMethod { Id = 333, Name = "Name" };
dynamicEvent.InvokeEvent(t);
Assert.AreEqual(t, testClass.RedirectMethod);
}
public AssembledComponents AssembleComponents()
{
var documents = CreateNuclear(new DocumentStrategy());
var streamer = Streamer;
var tapes = Tapes;
var streaming = Streaming;
var routerQueue = CreateQueueWriter(Topology.RouterQueue);
var aggregates = new AggregateFactory(tapes, streamer, routerQueue);
var sender = new SimpleMessageSender(streamer, routerQueue);
var flow = new MessageSender(sender);
var builder = new CqrsEngineBuilder(streamer);
var log = tapes.GetOrCreateStream(Topology.DomainLogName);
var dispatcher = new SimpleDispatcher(aggregates, streamer, log);
builder.Handle(CreateInbox(Topology.RouterQueue),
Topology.Route(CreateQueueWriter, streamer, tapes), "router");
builder.Handle(CreateInbox(Topology.EntityQueue), aggregates.Dispatch);
var functions = new RedirectToDynamicEvent();
// documents
//functions.WireToWhen(new RegistrationUniquenessProjection(atomic.Factory.GetEntityWriter<unit, RegistrationUniquenessDocument>()));
// UI projections
var projectionStore = CreateNuclear(new ProjectionStrategy());
foreach (var projection in BootstrapProjections.BuildProjectionsWithWhenConvention(projectionStore.Factory))
{
functions.WireToWhen(projection);
}
// processes
//functions.WireToWhen(new Domain.RecipeProcess(flow));
builder.Handle(CreateInbox(Topology.EventsQueue), aem => CallHandlers(functions, aem));
var timer = new StreamingTimerService(CreateQueueWriter(Topology.RouterQueue),
streaming.GetContainer(Topology.FutureMessagesContainer), streamer);
builder.Handle(CreateInbox(Topology.TimerQueue), timer.PutMessage);
builder.AddProcess(timer);
// GNS: just for this simple sample. In reality one would have some command handlers involved
Bus.SetBus(new SimpleBus(sender, dispatcher));
return new AssembledComponents
{
Builder = builder,
Sender = sender,
Dispatcher = dispatcher,
ProjectionFactory = projectionStore.Factory,
Setup = this
};
}
DirectoryInfo[] ObserveViews(ViewMapInfo[] handlers, DomainQueryManager queryManager)
{
WriteLine("Configuring {0} view handlers", handlers.Length);
var name = string.Format("view-{0:yyyy-MM-dd-HH-mm-ss}", DateTime.Now);
var combined = Path.Combine(Path.GetTempPath(), name);
WriteLine("Redirecting atomic views to {0}", combined);
var directoryInfo = new DirectoryInfo(combined);
var file = FileStorage.CreateConfig(combined, reset: true);
var nuclear = file.CreateNuclear(new ProjectionStrategy());
var watch = Stopwatch.StartNew();
var projectionTypes = new HashSet <Type>(handlers.Select(v => v.Projection));
WriteLine("Building consumers...");
var projections =
BootstrapProjections.BuildProjectionsWithWhenConvention(nuclear.Factory).Where(
x => projectionTypes.Contains(x.GetType()));
var wire = new RedirectToDynamicEvent();
foreach (var projection in projections)
{
wire.WireToWhen(projection);
}
var handlersWatch = Stopwatch.StartNew();
queryManager.QueryConsumer(envelope => CallHandlers(wire, envelope));
WriteLine("Saved to {0}.", directoryInfo.FullName);
var timeTotal = watch.Elapsed.TotalSeconds;
var handlerTicks = handlersWatch.ElapsedTicks;
var timeInHandlers = Math.Round(TimeSpan.FromTicks(handlerTicks).TotalSeconds, 1);
WriteLine("Total Elapsed: {0}sec ({1}sec in handlers)", Math.Round(timeTotal, 0), timeInHandlers);
WriteLine("Saved to {0}.", directoryInfo.FullName);
var directoryInfos = handlers
.Select(h => _strategy.GetFolderForEntity(h.ViewType, h.KeyType))
.Distinct()
.Select(f => new DirectoryInfo(Path.Combine(directoryInfo.FullName, f.ToString())))
.ToArray();
return(directoryInfos);
}
public void when_wire_to_object()
{
var dynamicEvent = new RedirectToDynamicEvent();
var testClass = new TestClassWithMethod();
dynamicEvent.WireToWhen(testClass);
var t = new TestRedirectMethod {
Id = 333, Name = "Name"
};
dynamicEvent.InvokeEvent(t);
Assert.AreEqual(t, testClass.RedirectMethod);
}
public static IEnumerable <ViewMapInfo> GetActiveViewMaps()
{
var marker = new AtomicDetector();
var projections = BootstrapProjections.BuildProjectionsWithWhenConvention(marker)
.ToArray();
int idx = 0;
foreach (var projection in projections)
{
var redirect = new RedirectToDynamicEvent();
redirect.WireToWhen(projection);
var mark = marker.List[idx];
yield return(new ViewMapInfo(mark.Item2, mark.Item1, projection.GetType(), redirect.Dict.Keys.ToArray())
);
idx += 1;
}
}
private Task RebuildProjections(List <ProjectionInfo> needRebuild, IDocumentStore memoryContainer, CancellationToken token)
{
if (needRebuild.Count == 0)
{
return(Task.FromResult(true));
}
var updateTimer = new Stopwatch();
updateTimer.Start();
// observe projections
var watch = Stopwatch.StartNew();
var wire = new RedirectToDynamicEvent();
needRebuild.ForEach(x => wire.WireToWhen(x.GetTempProjection()));
var handlersWatch = Stopwatch.StartNew();
var eventStoreVersion = this.ObserveWhileCan(this._eventsStore.EnumerateAllItems(0, int.MaxValue), wire, token);
if (token.IsCancellationRequested)
{
SystemObserver.Notify("[warn]\t{0}\tShutdown. Aborting projections before anything was changed.", this._name);
return(Task.FromResult(true));
}
var timeTotal = watch.Elapsed.TotalSeconds;
var handlerTicks = handlersWatch.ElapsedTicks;
var timeInHandlers = Math.Round(TimeSpan.FromTicks(handlerTicks).TotalSeconds, 1);
SystemObserver.Notify("[observe]\t{2}\t{0}sec ({1}sec in handlers) - Replayed events from", Math.Round(timeTotal, 0), timeInHandlers, this._name);
var rebuildTasks = needRebuild.Select(projectionInfo => this.RebuildProjection(eventStoreVersion, projectionInfo, memoryContainer, token));
return(Task.WhenAll(rebuildTasks));
}
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 void when_wire_to_object_where_argument_is_interface()
{
var dynamicEvent = new RedirectToDynamicEvent();
var testClass = new TestClassWithInterfaceMethod();
dynamicEvent.WireToWhen(testClass);
}
static void Main(string[] args)
{
const string integrationPath = @"temp";
ConfigureObserver();
var config = FileStorage.CreateConfig(integrationPath, "files");
var demoMessages = new List <ISampleMessage>();
var currentProcess = Process.GetCurrentProcess();
demoMessages.Add(new InstanceStarted("Inject git rev", currentProcess.ProcessName,
currentProcess.Id.ToString()));
{
// wipe all folders
config.Reset();
Console.WriteLine("Starting in funny mode");
var security = new SecurityId(0);
demoMessages.Add(new CreateSecurityAggregate(security));
demoMessages.Add(new AddSecurityPassword(security, "Rinat Abdullin", "*****@*****.**", "password"));
demoMessages.Add(new AddSecurityIdentity(security, "Rinat's Open ID", "http://abdullin.myopenid.org"));
demoMessages.Add(new AddSecurityKey(security, "some key"));
}
var atomic = config.CreateNuclear(new DocumentStrategy());
var identity = new IdentityGenerator(atomic);
var streamer = Contracts.CreateStreamer();
var tapes = config.CreateTape(Topology.TapesContainer);
var streaming = config.CreateStreaming();
var routerQueue = config.CreateQueueWriter(Topology.RouterQueue);
var aggregates = new AggregateFactory(tapes, streamer, routerQueue, atomic, identity);
var sender = new SimpleMessageSender(streamer, routerQueue);
var flow = new MessageSender(sender);
var builder = new CqrsEngineBuilder(streamer);
builder.Handle(config.CreateInbox(Topology.RouterQueue),
Topology.Route(config.CreateQueueWriter, streamer, tapes), "router");
builder.Handle(config.CreateInbox(Topology.EntityQueue), aggregates.Dispatch);
var functions = new RedirectToDynamicEvent();
// documents
//functions.WireToWhen(new RegistrationUniquenessProjection(atomic.Factory.GetEntityWriter<unit, RegistrationUniquenessDocument>()));
// UI projections
var projectionStore = config.CreateNuclear(new ProjectionStrategy());
foreach (var projection in BootstrapProjections.BuildProjectionsWithWhenConvention(projectionStore.Factory))
{
functions.WireToWhen(projection);
}
// processes
//functions.WireToWhen(new BillingProcess(flow));
//functions.WireToWhen(new RegistrationProcess(flow));
functions.WireToWhen(new ReplicationProcess(flow));
builder.Handle(config.CreateInbox(Topology.EventsQueue), aem => CallHandlers(functions, aem));
var timer = new StreamingTimerService(config.CreateQueueWriter(Topology.RouterQueue),
streaming.GetContainer(Topology.FutureMessagesContainer), streamer);
builder.Handle(config.CreateInbox(Topology.TimerQueue), timer.PutMessage);
builder.AddProcess(timer);
using (var cts = new CancellationTokenSource())
using (var engine = builder.Build())
{
var task = engine.Start(cts.Token);
foreach (var sampleMessage in demoMessages)
{
sender.SendOne(sampleMessage);
}
Console.WriteLine(@"Press enter to stop");
Console.ReadLine();
cts.Cancel();
if (task.Wait(5000))
{
Console.WriteLine(@"Terminating");
}
}
}
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;
}
});
}