Same table NHibernate mapping

Question

How can i go about defining a same table relation mapping (mappingbycode) using Nhibernate

for instance let's say I have a class:

public class Structure{ public int structureId; public string structureName; public Structure rootStructure; }

that references the same class as rootStructure.

 mapper.Class<Structure>(m => { m.Lazy(true); m.Id(u => u.structureId, map => { map.Generator(Generators.Identity); }); m.Property(c => c.structureName); m.? // Same table mapping } ;

Thanks

Dirk Trilsbeek · Accepted Answer · 2012-04-02 11:25:40Z

there is no special mapping for recursive mappings i am aware of. Just map it like you would map a collection of a different class. In your case this should work (untested though):

m.OneToOne(c => c.rootStructure, a => a.Lazy(LazyRelation.Proxy))

NHibernate will assume that the foreign key for this relation is stored on column rootStructure of the table associated to that class.

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