Hi All,

I am trying to map an enum property (instance of System.DayOfWeek) in my
model to map to an integer database field.
Other enum properties in the model should be mapped to strings, so I don't
wish to define a convention.

I understand that this should be possible using a fluent mapping like:

Map(x => x.DayOfWeek).CustomType<int>();


and indeed, at first glance this appears to be working.

However, I noticed that instances of entities with properties mapped in this
way are being updated every time the session was flushed, even though no
amendments have been made to them.

To find out what is causing this flush, I set up an IPreUpdateEventListener,
and inspected the OldState and State of the entity.
See the attached image. In the OldState, the relevant object is an int,
whereas in State it is a DayOfWeek.

If I use an HBM XML mapping with no type attribute specified, this issue
doesn't arise.

So...

Is this a bug or shortcoming in the GenericEnumMapper?
Is there any way of telling the FNH mapping not to specify any type
attribute on the generated HBM?
If not, can I specify the default type that NH uses for enums (and what is
that)?

Thanks in advance

Ian

Ian Nelson
+44 7901 828483
http://ianfnelson.com
http://iannelsonsystems.com

http://bengnelson.com
http://islanelson.com

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