private IEnumerable GetInputFor(Projection projection)
{
var sourceProjection = _projections.FirstOrDefault(x => x.OutputType == projection.InputType);
if (sourceProjection == null) return _documentStore.All(projection.InputType);
var path = GetPathFor(sourceProjection);
return (IEnumerable)Disk.Read(path, typeof(IEnumerable<>).MakeGenericType(projection.InputType));
}
private string GetPathFor(Projection projection)
{
return Path.Combine(_parentDirectory, "indexes", projection.GetType().FullName + ".json");
}