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From Deepal Jayasinghe <dee...@opensource.lk>
Subject Re: Problem on inheritance
Date Wed, 21 Mar 2007 11:36:29 GMT
Hi Lorenzo ;

I just made the changes, pls try today's nightly build then you will be
able to solve the POJO issue.

Thanks
Deepal

> Hi guys,
>
> I still have this problem on inheritance... could you help me? Sorry
> but this is blocking and I am quite late :-(
>
> I want simply to have a method in the web service interface like:
>
> public A getA(){
> return new B();
> }
>
> where B extends A.
>
> The WSDL is generated including all the attributes of the type A in
> the B type definition. This is fine.
>
> If i try to do it with POJO only B specific attributes are included in
> the SOAP return message.
> Maybe because the system cannot find getters and setters for A's
> attributes in B....
>
> With ADB and XMLBEANS generated code, the mothod getA() must return a
> type A... but this class includes only A's attributes.
>
> How do I solve this problem?
>
> Thanks.
>
> Lorenzo
>
> P.S. I attached the previous message I got no answer.
>
>
> Lorenzo Dini ha scritto:
>
>>Dear axis2 support,
>>
>>I am quite new on this technology and I would like to ask you a question on
>>class inheritance.
>>
>>I would like to have a method in the ws interface returning a generic type
>>(A in the example) and then runtime return a subclass of that generic class
>>(B I the example).
>>
>>I also take care that the subclasses on exposed in the interface are
>>included in the WSDL.
>>
>>I tried with several technologies available in AXIS2 without succeed:
>>
>>POJO: even if the automatically generated WSDL is fine (A with a and B with
>>a and b), when I try to return a subclass B instead of the generic class A,
>>only variables defined in the subclass B are present in the SOAP message. Is
>>the system using the wsdl to call getters and setters or it is finding no
>>method "setA()" in the B class and therefore is not calling it?
>>
>>ADB and XMLBEANS: Generating the code, The class B does not extend the class
>>A so I cannot set an instance of B in the return class defined as A. Of
>>course A does not contain setters and getters for its subclasses.
>>
>>Can you please tell me where I am making mistakes??
>>
>>This is the implementation class:
>>
>>==================================================
>>public class TestServiceImpl{
>>
>>    public A getA(){
>>        A a = new A();
>>        a.setA("a");
>>        return a;
>>    }
>>
>>    public A getBunderA(){
>>        B b = new B();
>>        b.setA("a");
>>        b.setB("b");
>>        return b;
>>    }
>>
>>    public B getB(){
>>        B b = new B();
>>        b.setA("a");
>>        b.setB("b");
>>        return b;
>>    }
>>}
>>==================================================
>>
>>With the following classes:
>>
>>==================================================
>>public class A {
>>
>>    String a;
>>
>>    public String getA() {
>>        return a;
>>    }
>>
>>    public void setA(String a) {
>>        this.a = a;
>>    }
>>}
>>
>>public class B extends A {
>>    String b;
>>
>>    public String getB() {
>>        return b;
>>    }
>>
>>    public void setB(String b) {
>>        this.b = b;
>>    }
>>}
>>==================================================
>>
>>Thank you very much!
>>
>>Lorenzo.
>>
>>--
>> 
>>Lorenzo Dini
>>
>>CERN ­ European Organization for Nuclear Research
>>Information Technology Department
>>CH-1211 Geneva 23  
>>
>>Building 31 - Office S-021
>>Phone: +41 (0) 22 7672013
>>Fax: +41 (0) 22 7668847
>>E-mail: Lorenzo.Dini@cern.ch
>>
>>
>>  
>>
>
> -- 
>
> *Lorenzo Dini*
>
> CERN – European Organization for Nuclear Research
> Information Technology Department
> CH-1211 Geneva 23
>
> Building 31 - Office S-021
> Phone: +41 (0) 22 7672013
> Fax: +41 (0) 22 7668847
> E-mail: Lorenzo.Dini@cern.ch
>


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