public void SetUp()
{
_model = new Model();
using (var stream = new MemoryStream())
{
using (var writer = new BinaryWriter(stream))
{
new EventStub(1).Write(writer);
}
EmbeddedEventStore.Connection.AppendToStreamAsync(
_model.KnownIdentifier,
ExpectedVersion.NoStream,
new EventData(
Guid.NewGuid(),
typeof(EventStub).AssemblyQualifiedName,
false,
stream.ToArray(),
new byte[0])).Wait();
}
_root = SnapshotableAggregateRootEntityStub.Factory();
_unitOfWork = new UnitOfWork();
_resolver = A.Fake <IStreamNameResolver>();
_reader = A.Fake <ISnapshotReader>();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier)).Returns(Optional <Snapshot> .Empty);
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier)).Returns(Optional <Snapshot> .Empty);
_sut = new SnapshotableRepository <SnapshotableAggregateRootEntityStub>(
() => _root,
_unitOfWork,
EmbeddedEventStore.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}
public void SetUp()
{
EmbeddedEventStore.Connection.DeleteAllStreams();
_model = new Model();
_unitOfWork = new UnitOfWork();
_resolver = A.Fake <IStreamNameResolver>();
_reader = A.Fake <ISnapshotReader>();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier)).Returns(Optional <Snapshot> .Empty);
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier)).Returns(Optional <Snapshot> .Empty);
_sut = new SnapshotableRepository <SnapshotableAggregateRootEntityStub>(
SnapshotableAggregateRootEntityStub.Factory,
_unitOfWork,
EmbeddedEventStore.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}
public async Task SetUp()
{
await EmbeddedEventStore.Connection.DeleteAllStreamsAsync();
_model = new Model();
_root = SnapshotableAggregateRootEntityStub.Factory();
_unitOfWork = new UnitOfWork();
_unitOfWork.Attach(new Aggregate(_model.KnownIdentifier, 0, _root));
_resolver = A.Fake <IStreamNameResolver>();
_reader = A.Fake <ISnapshotReader>();
_state = new object();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier))
.Returns(new Optional <Snapshot>(new Snapshot(100, _state)));
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier))
.Returns(new Optional <Snapshot>(new Snapshot(100, _state)));
_sut = new SnapshotableRepository <SnapshotableAggregateRootEntityStub>(
SnapshotableAggregateRootEntityStub.Factory,
_unitOfWork,
EmbeddedEventStore.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}
/// <summary>
/// Attempts to get the aggregate root entity associated with the aggregate identifier.
/// </summary>
/// <param name="identifier">The aggregate identifier.</param>
/// <returns>The found <typeparamref name="TAggregateRoot" />, or empty if not found.</returns>
public Optional <TAggregateRoot> GetOptional(string identifier)
{
if (_unitOfWork.TryGet(identifier, out Aggregate aggregate))
{
return(new Optional <TAggregateRoot>((TAggregateRoot)aggregate.Root));
}
Optional <Snapshot> snapshot = _reader.ReadOptional(identifier);
var version = 1;
if (snapshot.HasValue)
{
version = snapshot.Value.Version + 1;
}
UserCredentials streamUserCredentials = _configuration.StreamUserCredentialsResolver.Resolve(identifier);
string streamName = _configuration.StreamNameResolver.Resolve(identifier);
StreamEventsSlice slice = _connection.
ReadStreamEventsForwardAsync(
streamName, version, _configuration.SliceSize, false, streamUserCredentials).
Result;
if (slice.Status == SliceReadStatus.StreamDeleted || slice.Status == SliceReadStatus.StreamNotFound)
{
return(Optional <TAggregateRoot> .Empty);
}
TAggregateRoot root = _rootFactory();
if (snapshot.HasValue)
{
root.RestoreSnapshot(snapshot.Value.State);
}
root.Initialize(slice.Events.Select(resolved => _configuration.Deserializer.Deserialize(resolved)));
while (!slice.IsEndOfStream)
{
slice = _connection.
ReadStreamEventsForwardAsync(
streamName, slice.NextEventNumber, _configuration.SliceSize, false, streamUserCredentials).
Result;
root.Initialize(slice.Events.Select(resolved => _configuration.Deserializer.Deserialize(resolved)));
}
aggregate = new Aggregate(identifier, (int)slice.LastEventNumber, root);
_unitOfWork.Attach(aggregate);
return(new Optional <TAggregateRoot>(root));
}
public void SetUp()
{
EmbeddedEventStore.Instance.Connection.DeleteAllStreams();
_model = new Model();
_unitOfWork = new UnitOfWork();
_resolver = A.Fake<IStreamNameResolver>();
_reader = A.Fake<ISnapshotReader>();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier)).Returns(Optional<Snapshot>.Empty);
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier)).Returns(Optional<Snapshot>.Empty);
_sut = new SnapshotableRepository<SnapshotableAggregateRootEntityStub>(
SnapshotableAggregateRootEntityStub.Factory,
_unitOfWork,
EmbeddedEventStore.Instance.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}
public void SetUp()
{
_model = new Model();
using (var stream = new MemoryStream())
{
using (var writer = new BinaryWriter(stream))
{
new EventStub(1).Write(writer);
}
EmbeddedEventStore.Instance.Connection.AppendToStream(
_model.KnownIdentifier,
ExpectedVersion.NoStream,
new EventData(
Guid.NewGuid(),
typeof (EventStub).AssemblyQualifiedName,
false,
stream.ToArray(),
new byte[0]));
EmbeddedEventStore.Instance.Connection.AppendToStream(
_model.KnownIdentifier,
ExpectedVersion.Any,
new EventData(
Guid.NewGuid(),
typeof (EventStub).AssemblyQualifiedName,
false,
stream.ToArray(),
new byte[0]));
}
_root = SnapshotableAggregateRootEntityStub.Factory();
_state = new object();
_unitOfWork = new UnitOfWork();
_resolver = A.Fake<IStreamNameResolver>();
_reader = A.Fake<ISnapshotReader>();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier))
.Returns(new Optional<Snapshot>(new Snapshot(1, _state)));
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier))
.Returns(new Optional<Snapshot>(new Snapshot(1, _state)));
_sut = new SnapshotableRepository<SnapshotableAggregateRootEntityStub>(
() => _root,
_unitOfWork,
EmbeddedEventStore.Instance.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}
public void GetReadsSnapshotOfUnknownId()
{
Catch.ExceptionOf(() => _sut.Get(_model.UnknownIdentifier));
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier)).MustHaveHappened();
}
public async Task SetUp()
{
await EmbeddedEventStore.Connection.DeleteAllStreamsAsync();
_model = new Model();
_root = SnapshotableAggregateRootEntityStub.Factory();
_unitOfWork = new UnitOfWork();
_unitOfWork.Attach(new Aggregate(_model.KnownIdentifier, 0, _root));
_resolver = A.Fake<IStreamNameResolver>();
_reader = A.Fake<ISnapshotReader>();
_state = new object();
A.CallTo(() => _resolver.Resolve(_model.KnownIdentifier)).Returns(_model.KnownIdentifier);
A.CallTo(() => _resolver.Resolve(_model.UnknownIdentifier)).Returns(_model.UnknownIdentifier);
A.CallTo(() => _reader.ReadOptional(_model.KnownIdentifier))
.Returns(new Optional<Snapshot>(new Snapshot(100, _state)));
A.CallTo(() => _reader.ReadOptional(_model.UnknownIdentifier))
.Returns(new Optional<Snapshot>(new Snapshot(100, _state)));
_sut = new SnapshotableRepository<SnapshotableAggregateRootEntityStub>(
SnapshotableAggregateRootEntityStub.Factory,
_unitOfWork,
EmbeddedEventStore.Connection,
EventReaderConfigurationFactory.CreateWithResolver(_resolver),
_reader);
}