Re: Multiple inheritance

• From: Eddie Robertsson <erobertsson@allette.com.au>
• Date: Thu, 29 Aug 2002 10:17:28 +1000
• To: Mathieu DUBOS <md.ais40@wanadoo.fr>
• CC: xmlschema-dev@w3.org
• Message-ID: <3D6D6818.9060805@allette.com.au>

Hi Mathiue,

> I'm looking for making a double inheritance and don't manage doing so.
> What I would like is that an element inherits attributes from a first 
> type defined in a xsd file, and also inherits attributes from a second 
> type defined in a second xsd file.
>
> I tried kind of things like :
>
>   <xs:complexType name="Type0">
>     <xs:complexContent>
>       <xs:extension base="dt1:DataType1">
>         <xs:extension base="dt2:DataType2"/>
>         <xs:attribute name="comment" type="xs:string" use="required"/>
>       </xs:extension>
>     </xs:complexContent>
>   </xs:complexType>
>
> but errors occur when i parse a xml instance with xerces-j.
>
> Someone could help me??

There's currently no way to do multiple inhertance in W3C XML Schema.

Cheers,
/Eddie

>
> thx a lot
>
> ----
> Mathieu DUBOS
>
>
>
>

Received on Wednesday, 28 August 2002 20:17:36 UTC