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Posted to java-user@axis.apache.org by breaks <as...@yahoo.com> on 2008/07/24 13:25:45 UTC

Polymorphism in Axis2

Hi,
Excuse the simple question:

Consider the following simple polymorphic arrangement:
Dog and Cat both extending from Animal.

If I send a list of Animals from client to server, which contains both cats
and dogs, I can see the soap message containing animals which then reference
dog and cat types as:

<ns2:Animal xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:type="ns2:Dog">...
<ns2:Animal xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:type="ns2:Cat">...

However on the server side, they are created as Animal objects, not Dogs or
Cats!

XSD for Dog and Cat is the same style. E.g.

<include schemaLocation="Animal.xsd"></include>
    <complexType name="Dog">
    <complexContent>
    <extension base="types:Animal">
    <sequence>
    ...			

Animal XSD would be:


<complexType name="Animal">
<sequence>
...


Anything I am doing wrong or is this an obvious limitation with Axis2?

Cheers
Alex




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Re: Polymorphism in Axis2

Posted by Samisa Abeysinghe <sa...@gmail.com>.
If you have the schema and the WSDL in place, you can use WSDL2Java tool 
to see how Axis2 handles that.

Samisa...

breaks wrote:
> Hi,
> Excuse the simple question:
>
> Consider the following simple polymorphic arrangement:
> Dog and Cat both extending from Animal.
>
> If I send a list of Animals from client to server, which contains both cats
> and dogs, I can see the soap message containing animals which then reference
> dog and cat types as:
>
> <ns2:Animal xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:type="ns2:Dog">...
> <ns2:Animal xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:type="ns2:Cat">...
>
> However on the server side, they are created as Animal objects, not Dogs or
> Cats!
>
> XSD for Dog and Cat is the same style. E.g.
>
> <include schemaLocation="Animal.xsd"></include>
>     <complexType name="Dog">
>     <complexContent>
>     <extension base="types:Animal">
>     <sequence>
>     ...			
>
> Animal XSD would be:
>
>
> <complexType name="Animal">
> <sequence>
> ...
>
>
> Anything I am doing wrong or is this an obvious limitation with Axis2?
>
> Cheers
> Alex
>
>
>
>
>   


-- 
Samisa Abeysinghe

http://people.apache.org/~samisa/


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