public EventAppender(EventGraph graph, EventDocumentStorage builder, IInlineProjection[] projections)
{
_graph = graph;
_builder = builder;
_projections = projections;
// TODO -- track the event streams separately within the DocumentSessionBase
}
public DocumentProvider <T> StorageFor <T>()
{
var documentType = typeof(T);
if (_storage.TryFind(documentType, out var stored))
{
return(stored.As <DocumentProvider <T> >());
}
if (documentType == typeof(IEvent))
{
var storage = new EventDocumentStorage(_options.Events, new EventQueryMapping(_options), _options.Serializer());
var slot = new DocumentProvider <IEvent>
{
DirtyTracking = storage,
Lightweight = storage,
IdentityMap = storage,
QueryOnly = storage
};
_storage = _storage.AddOrUpdate(documentType, slot);
return(slot.As <DocumentProvider <T> >());
}
var mapping = _options.Storage.FindMapping(documentType);
if (mapping is DocumentMapping m)
{
var builder = new DocumentPersistenceBuilder(m, _options);
var slot = builder.Generate <T>();
_storage = _storage.AddOrUpdate(documentType, slot);
return(slot);
}
if (mapping is SubClassMapping s)
{
var loader =
typeof(SubClassLoader <, ,>).CloseAndBuildAs <ISubClassLoader <T> >(mapping.Root.DocumentType, documentType,
mapping.IdType);
var slot = loader.BuildPersistence(this, s);
_storage = _storage.AddOrUpdate(documentType, slot);
return(slot);
}
if (mapping is EventMapping em)
{
var storage = (IDocumentStorage <T>)em;
var slot = new DocumentProvider <T> {
Lightweight = storage, IdentityMap = storage, DirtyTracking = storage, QueryOnly = storage
};
_storage = _storage.AddOrUpdate(documentType, slot);
return(slot);
}
throw new NotSupportedException("Unable to build document persistence handlers for " + mapping.DocumentType.FullNameInCode());
}