protected ImmutableModelSet <T> GetSet <T>(ModelProperty property, ref ImmutableModelSet <T> value)
{
ImmutableModelSet <T> result = value;
if (result == null)
{
result = this.model.GetSet <T>(this.id, property);
result = Interlocked.CompareExchange(ref value, result, null) ?? result;
}
return(result);
}
internal ImmutableModelSet <T> GetSet <T>(ObjectId oid, ModelProperty property)
{
Debug.Assert(property.IsCollection);
var greenValue = this.GetGreenValue(oid, property);
if (greenValue is GreenList)
{
return(ImmutableModelSet <T> .FromGreenList((GreenList)greenValue, this, oid));
}
else
{
Slot slot = oid.Descriptor.GetSlot(property);
if (!slot.IsCollection)
{
return(ImmutableModelSet <T> .FromGreenSingleValue(greenValue, this, oid));
}
}
return(ImmutableModelSet <T> .FromGreenList(property.IsUnique?GreenList.EmptyUnique : GreenList.EmptyNonUnique, this, oid));
}
