public bool IsLoginRegistered(string email)
{
var key = GetKey(email);
return(_storage
.GetEntity <UserIndexLookup>(key)
.Convert(i => i.Logins.ContainsKey(email), false));
}
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 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 Maybe <TEntity> GetView <TEntity>(object key)
{
var optional = _store.GetEntity <TEntity>(key);
return(optional.HasValue ? optional.Value : Maybe <TEntity> .Empty);
}
private static void AssertContents(NuclearStorage setup)
{
Assert.AreEqual("test", setup.GetEntity<string>(1).Value);
Assert.AreEqual(1, setup.GetSingleton<int>().Value);
}
