I add the element 'import.sdo' in the composite,but the sample throws another 
exception.

Exception in thread "main" java.lang.ClassCastException: The value of type 
'class org.apache.tuscany.sdo.impl.DynamicDataObjectImpl' must be of type 
'class java.lang.String'
        at 
org.eclipse.emf.ecore.impl.EStructuralFeatureImpl$InternalSettingDelegateSingleDataUnsettableStatic.validate(EStructuralFeatureImpl.java:2195)
        at 
org.eclipse.emf.ecore.impl.EStructuralFeatureImpl$InternalSettingDelegateSingleDataUnsettable.dynamicSet(EStructuralFeatureImpl.java:2116)
        at 
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eDynamicSet(BasicEObjectImpl.java:709)
        at 
org.apache.tuscany.sdo.impl.DynamicDataObjectImpl.eDynamicSet(DynamicDataObjectImpl.java:160)
        at 
org.apache.tuscany.sdo.impl.DataObjectImpl.eSet(DataObjectImpl.java:1468)
        at 
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eSet(BasicEObjectImpl.java:654)
        at 
org.apache.tuscany.sdo.impl.DataObjectImpl.set(DataObjectImpl.java:146)
        at 
org.apache.tuscany.sdo.impl.DataObjectImpl.set(DataObjectImpl.java:106)
        at 
org.apache.tuscany.sca.databinding.sdo.SDOWrapperHandler.setChild(SDOWrapperHandler.java:71)
        at 
org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:131)
        at 
org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer.transform(Input2InputTransformer.java:1)
        at 
org.apache.tuscany.sca.databinding.impl.MediatorImpl.mediate(MediatorImpl.java:73)
        at 
org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.transform(DataTransformationInterceptor.java:175)
        at 
org.apache.tuscany.sca.core.databinding.wire.DataTransformationInterceptor.invoke(DataTransformationInterceptor.java:72)
        at 
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:261)
        at 
org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(JDKInvocationHandler.java:149)
        at $Proxy5.getGreetings(Unknown Source)
        at helloworld.HelloWorldClient.test(HelloWorldClient.java:53)
        at helloworld.HelloWorldClient.main(HelloWorldClient.java:39)

Is something wrong? Where can I found a sample whith dynamic SDO?

Thanks,  
wangfeng


On 2008-02-19, Scott Kurz <[EMAIL PROTECTED]> wrote:

>Wang,
>
>I'm guessing the problem is probably that you need to register your
>app types with the appropriate context established by the Tuscany
>runtime.
>
>Tuscany typically does this automatically, now, for static SDO.  For
>dynamic SDO (i.e. DataObject), you would currently put something like
>this in your SCDL ( *.composite) file:
>
> <composite ...
>           
> xmlns:dbsdo="http://tuscany.apache.org/xmlns/sca/databinding/sdo/1.0";
>           ....>
>
>    <dbsdo:import.sdo location="wsdl/helloworld.wsdl"/>
>
>(I looked in your zip and you don't seem to use the types in the XSD,
>so I pointed to the WSDL instead... but you can have as multiple
><import.sdo> elements).
>
>This relation between SCA and SDO scopes is defined by Tuscany, not a
>spec, at the moment.
>
>Scott
>
>
>On Feb 18, 2008 9:15 AM, wang feng <[EMAIL PROTECTED]> wrote:
>> Hi all,
>>
>>    I do a sample which has a parameter's type is DataObject,and deploy the 
>> component with webservice.
>>    When I invoke the service ,throws an error.
>>    Is my usage wrong?
>>
>> My sample like this.
>>
>> helloworld.composite
>> <composite xmlns="http://www.osoa.org/xmlns/sca/1.0";
>>         targetNamespace="http://helloworld";
>>         xmlns:hw="http://helloworld";
>>     name="helloworldws">
>>     <component name="HelloWorldServiceComponent">
>>         <implementation.java class="helloworld.HelloWorldImpl" />
>>             <service name="HelloWorldService">
>>                 <interface.wsdl 
>> interface="http://helloworld#wsdl.interface(HelloWorld)" />
>>                 <binding.ws/>
>>             </service>
>>     </component>
>> </composite>
>>
>> HelloWorldImpl.java
>> @Service(HelloWorldService.class)
>> public class HelloWorldImpl implements HelloWorldService {
>>     public String getGreetings(DataObject name) {
>>         return "Hello " + name.getString("first") + " " + 
>> name.getString("last");
>>     }
>> }
>>
>> You can download the full testcase on 
>> http://www.blogjava.net/Files/wangfeng/src.zip
>>
>> Thanks
>> Wang Feng
>>
>>
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>>
>
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