sorry, posted too early... Se my later post... On 9 Mrz., 10:51, DL9999 <[email protected]> wrote: > Hallo, > > I'm new to NHibernate and have some general questions about mapping of > class-structures. I'm using mapping attributes... > > I have a base-class that is self-referencing by a parent_id. I tried > this way: > > [Class(NameType = typeof(BaseClass), Table = "BASE")] > class abstract BaseClass : MyEntity > { > [Id(0, Name = "Id", Column = "ID")] > [Generator(1, Class = "hilo")] > public virtual long Id { get; set; } > > [ManyToOne(Column = "PARENT_ID", ForeignKey = "FK_BASE_PARENT")] > public virtual BaseClass Parent { get; set; } > > } > > My intention was to inherit some classes from this abstract BaseClass > which all are self-referencing throught the BaseClass dependency. > > I know that this is the wrong way (Hybernate throws an exception) > because the "Parent"-property is by design the wrong type (BaseClass > is abstract an can never be load)... > > So I tried this: > > [Class(NameType = typeof(BaseClass), Table = "BASE")] > class abstract BaseClass : MyEntity > { > [Id(0, Name = "Id", Column = "ID")] > [Generator(1, Class = "hilo")] > public virtual long Id { get; set; } > > [Property(1, Column = "PARENT_VERSION_BO_ID")] > [Key(2, Column = "BO_ID", ForeignKey = > "FK_BO_PARENT_VERSION_BO")] > public virtual long ParentVersionId { get; set; } > [ManyToOne(Column = "PARENT_ID", ForeignKey = "FK_BASE_PARENT")] > public virtual BaseClass Parent { get; set; } > > > > }- Zitierten Text ausblenden - > > - Zitierten Text anzeigen -
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