Remapping properties in inheritance map class

[Adel F]

I have a base map class(in its own assembly), where Segment property was declared as LazyLoad.

public class GroupMap : ClassMap<Group>
{
    public GroupMap()
    {
        ....

        Map(x => x.Segment)
            .LazyLoad();
    }
}

In my application I want this property not to be a LazyLoad. I tried some methods like this:

public class MyGroupMap : GroupMap
{
    public MyGroupMap() : base()
    {
        Map(x => x.Segment)
            .Not.LazyLoad();
    }
}

And Adding this class to Mappings. But it only generates a runtime exception(Property Segment was already mapped. Obvious). Any suggestions? I think Properties property might help, but it is deprecated.

[Geoff Bennett]

I would say have a base class that has all the mappings except for this one in it, then a subclass of that base class that has the default LazyLoad mapping for the Segment property. Then, in your MyGroupMap subclass, you could change the lazy loading. Something like this:

// Maps all properties _except_ the Segment

public class GroupMapBase : ClassMap<Group>

{

    public GroupMapBase()

    {

        Map(x => x.ThisProperty);

        Map(x => x.ThatProperty);

    }

}

// Adds a default Segment property mapping.

public class GroupMap : GroupMapBase

{

    public GroupMap()

    {

        Map(x => x.Segment)

            .LazyLoad();

    }

}

// Adds the specialised Segment property mapping.

public class MyGroupMap : GroupMapBase

{

    public MyGroupMap()

    {

        Map(x => x.Segment)

            .Not.LazyLoad();

    }

}

Not sure if it's the best way, but it's the first one that springs to mind.

Thanks,

Geoff.

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[Adel F]

Good idea. Thank you, Geoff.