public void Dulicate_message_is_detected()
{
var streamer = EnvelopeStreamer.CreateDefault(typeof(Message));
var builder = new CqrsEngineBuilder(streamer);
var cfg = new MemoryStorageConfig();
var sender = cfg.CreateSimpleSender(streamer, "in");
builder.Handle(cfg.CreateInbox("in"), envelope => Console.WriteLine("Got message"));
var env = new EnvelopeBuilder("fixed ID").Build();
using (var token = new CancellationTokenSource())
using (var build = builder.Build())
using (TestObserver.When <EnvelopeDuplicateDiscarded>(discarded => token.Cancel()))
{
sender.SendBatch(new object[] { new Message() }, IdGeneration.HashContent);
sender.SendBatch(new object[] { new Message() }, IdGeneration.HashContent);
build.Start(token.Token);
if (Debugger.IsAttached)
{
token.Token.WaitHandle.WaitOne();
}
else
{
token.Token.WaitHandle.WaitOne(10000);
}
Assert.IsTrue(token.IsCancellationRequested);
}
}
public void SimpleWriteRoundtrip()
{
var strategy = new TestStrategy();
var setup = Compose(strategy);
setup.AddOrUpdateEntity(1, "test");
setup.AddOrUpdateSingleton(() => 1, i => 1);
AssertContents(setup);
var memStore = new MemoryStorageConfig();
var mem = memStore.CreateNuclear(strategy);
mem.CopyFrom(setup, strategy.GetEntityBucket <string>(), strategy.GetEntityBucket <int>());
AssertContents(mem);
setup.Container.Reset(strategy.GetEntityBucket <string>());
setup.Container.Reset(strategy.GetEntityBucket <int>());
setup.CopyFrom(mem, strategy.GetEntityBucket <string>(), strategy.GetEntityBucket <int>());
AssertContents(setup);
}
public void Dulicate_message_is_detected()
{
var streamer = EnvelopeStreamer.CreateDefault(typeof(Message));
var builder = new CqrsEngineBuilder(streamer);
var cfg = new MemoryStorageConfig();
var sender = cfg.CreateSimpleSender(streamer, "in");
builder.Handle(cfg.CreateInbox("in"), envelope => Console.WriteLine("Got message"));
var env = new EnvelopeBuilder("fixed ID").Build();
using (var token = new CancellationTokenSource())
using (var build = builder.Build())
using (TestObserver.When<EnvelopeDuplicateDiscarded>(discarded => token.Cancel()))
{
sender.SendBatch(new object[]{new Message()}, IdGeneration.HashContent);
sender.SendBatch(new object[] { new Message()}, IdGeneration.HashContent);
build.Start(token.Token);
if (Debugger.IsAttached)
{
token.Token.WaitHandle.WaitOne();
}
else
{
token.Token.WaitHandle.WaitOne(10000);
}
Assert.IsTrue(token.IsCancellationRequested);
}
}
protected override Setup ComposeComponents(IEnvelopeStreamer streamer)
{
var config = new MemoryStorageConfig();
return new Setup
{
Inbox = config.CreateInbox("in"),
Sender = config.CreateSimpleSender(streamer, "in"),
Storage = config.CreateNuclear(new TestStrategy())
};
}
protected override Setup ConfigureComponents(IEnvelopeStreamer config)
{
var acc = new MemoryStorageConfig();
return new Setup
{
Store = acc.CreateNuclear(new TestStrategy()),
Inbox = acc.CreateInbox("queue"),
Sender = acc.CreateSimpleSender(config, "queue")
};
}
protected override Setup ConfigureComponents(IEnvelopeStreamer config)
{
var acc = new MemoryStorageConfig();
return(new Setup
{
Store = acc.CreateNuclear(new TestStrategy()),
Inbox = acc.CreateInbox("queue"),
Sender = acc.CreateSimpleSender(config, "queue")
});
}
protected override Setup ConfigureComponents(IEnvelopeStreamer streamer)
{
var _config = new MemoryStorageConfig();
return(new Setup
{
Store = _config.CreateNuclear(new TestStrategy()),
Inbox = _config.CreateInbox("dev"),
Sender = _config.CreateSimpleSender(streamer, "dev")
});
}
protected override Setup ComposeComponents(IEnvelopeStreamer streamer)
{
var config = new MemoryStorageConfig();
return(new Setup
{
Inbox = config.CreateInbox("in"),
Sender = config.CreateSimpleSender(streamer, "in"),
Storage = config.CreateNuclear(new TestStrategy())
});
}
protected override Setup ConfigureComponents(IEnvelopeStreamer streamer)
{
var _config = new MemoryStorageConfig();
return new Setup
{
Store = _config.CreateNuclear(new TestStrategy()),
Inbox = _config.CreateInbox("dev"),
Sender = _config.CreateSimpleSender(streamer, "dev")
};
}
public void SimpleWriteRoundtrip()
{
var strategy = new DefaultAtomicStorageStrategyBuilder().Build();
var setup = Compose(strategy);
setup.AddOrUpdateEntity(1, "test");
setup.AddOrUpdateSingleton(() => 1, i => 1);
AssertContents(setup);
var mem = new MemoryStorageConfig().CreateNuclear(strategy);
mem.CopyFrom(setup);
AssertContents(mem);
setup.Reset();
setup.CopyFrom(mem);
AssertContents(setup);
}
public void SimpleWriteRoundtrip()
{
var strategy = new TestStrategy();
var setup = Compose(strategy);
setup.AddOrUpdateEntity(1, "test");
setup.AddOrUpdateSingleton(() => 1, i => 1);
AssertContents(setup);
var memStore = new MemoryStorageConfig();
var mem = memStore.CreateNuclear(strategy);
mem.CopyFrom(setup, strategy.GetEntityBucket<string>(), strategy.GetEntityBucket<int>());
AssertContents(mem);
setup.Container.Reset(strategy.GetEntityBucket<string>());
setup.Container.Reset(strategy.GetEntityBucket<int>());
setup.CopyFrom(mem, strategy.GetEntityBucket<string>(), strategy.GetEntityBucket<int>());
AssertContents(setup);
}
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 MemoryQueueWriterFactory(MemoryStorageConfig storageConfig, string endpoint = "memory")
{
_storageConfig = storageConfig;
_endpoint = endpoint;
}
public MemoryQueueWriterFactory(MemoryStorageConfig storageConfig, string endpoint = "memory")
{
_storageConfig = storageConfig;
_endpoint = endpoint;
}
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;
}
});
}