/// <summary>
/// Must be overridden to use as an async projection. Takes a range of events, and sorts them
/// into an EventSlice for each detected aggregate document
/// </summary>
/// <param name="store"></param>
/// <param name="database"></param>
/// <param name="range"></param>
/// <param name="cancellation"></param>
/// <returns></returns>
/// <exception cref="NotSupportedException"></exception>
public ValueTask <IReadOnlyList <TenantSliceGroup <TDoc, TId> > > GroupEventRange(DocumentStore store,
IMartenDatabase database,
EventRange range, CancellationToken cancellation)
{
using var session = store.OpenSession(SessionOptions.ForDatabase(database));
return(Slicer.SliceAsyncEvents(session, range.Events));
}
public async ValueTask <EventRangeGroup> GroupEvents(DocumentStore store, EventRange range, CancellationToken cancellationToken)
{
IReadOnlyList <TenantSliceGroup <TDoc, TId> > groups;
using (var session = store.QuerySession())
{
groups = await Slicer.SliceAsyncEvents(session, range.Events, store.Tenancy).ConfigureAwait(false);
}
return(new TenantSliceRange <TDoc, TId>(store, this, range, groups, cancellationToken));
}