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| Re: How to save an object from one package to an anyType feature of the object from another package [message #428150 is a reply to message #428145] |
Wed, 11 March 2009 18:18   |
 koloale
Messages: 41
Registered: July 2009 |
Member |
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Ed Merks wrote:
> Alexey,
>
> Comments below.
>
>
> koloale wrote:
>> Hello!
>>
>> I have two EPackage's P1 and P2 both created form XSD. I deserialize
>> the xml document: <p2:node xmlns:p2="NS_URI2">1</p2:node> into EObject
>> obj from the P1 package and want to save this object to AnyType
>> feature of a 'Container' object from P2:
>> class Container {
>> /* @model containment="true"
>> * extendedMetaData="kind='element' name='config'"
>> */
>> EObject getConfig();
>> void setConfig(EObject value);
>> }
>>
>> I save deserialized object obj as follows:
>>
>> String featureName = obj.eContainingFeature().getName();
>> String namespace = obj.eClass().getEPackage().getNsURI();
>>
>> EStructuralFeature feature =
>> ExtendedMetaData.INSTANCE.demandFeature(namespace, featureName, false);
>> AnyType anyType = XMLTypeFactory.eINSTANCE.createAnyType();
>> anyType.getMixed().add(feature, configNode.getEObject());
>>
>> Container c = ..
>> c.setConfig(anyType);
>>
>> But when I serialize c object I get an xml with xsi:type:
>> <p1:container xmlns:p1="NS_URI1" xmlns:p2="NS_URI2">
>> <p1:config>
>> <p2:node xsi:type="p2:NodeType">1</p2:node>
>> <p1:config>
>> <p1:container>
>> and this xml fails the validation.
>>
>>
>> How do I get rid of xsi:type attribute?
> You can't. Without that information, the deserializer wouldn't know to
> create NodeType instance from the P2 package.
Ed, thanks for your answer!
At last I managed to save xml without xsi:type if I don't demand new
feature for anyType but use obj.eContainmentFeature(), i.e.
AnyType anyType = XMLTypeFactory.eINSTANCE.createAnyType();
anyType.getMixed().add(obj.eContainmentFeature(), obj);
It seems like a hack, but I realy wonder why deserializer wouldn't know
to create NodeType from P2 package as it knows that node element from p2
namespace therefore it should create object from P2 corresponding to
that element, the same as when p2:node is the root, e.g. through
DocumentRoot for P2 package.
Alexey
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| Re: How to save an object from one package to an anyType feature of the object from another package [message #428153 is a reply to message #428150] |
Wed, 11 March 2009 20:47 |
Ed Merks
Messages: 33142
Registered: July 2009 |
Senior Member |
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Alexey,
Comments below.
koloale wrote:
> Ed Merks wrote:
>> Alexey,
>>
>> Comments below.
>>
>>
>> koloale wrote:
>>> Hello!
>>>
>>> I have two EPackage's P1 and P2 both created form XSD. I deserialize
>>> the xml document: <p2:node xmlns:p2="NS_URI2">1</p2:node> into
>>> EObject obj from the P1 package and want to save this object to
>>> AnyType feature of a 'Container' object from P2:
>>> class Container {
>>> /* @model containment="true"
>>> * extendedMetaData="kind='element' name='config'"
>>> */
>>> EObject getConfig();
>>> void setConfig(EObject value);
>>> }
>>>
>>> I save deserialized object obj as follows:
>>>
>>> String featureName = obj.eContainingFeature().getName();
>>> String namespace = obj.eClass().getEPackage().getNsURI();
>>>
>>> EStructuralFeature feature =
>>> ExtendedMetaData.INSTANCE.demandFeature(namespace, featureName, false);
>>> AnyType anyType = XMLTypeFactory.eINSTANCE.createAnyType();
>>> anyType.getMixed().add(feature, configNode.getEObject());
>>>
>>> Container c = ..
>>> c.setConfig(anyType);
>>>
>>> But when I serialize c object I get an xml with xsi:type:
>>> <p1:container xmlns:p1="NS_URI1" xmlns:p2="NS_URI2">
>>> <p1:config>
>>> <p2:node xsi:type="p2:NodeType">1</p2:node>
>>> <p1:config>
>>> <p1:container>
>>> and this xml fails the validation.
>>>
>>>
>>> How do I get rid of xsi:type attribute?
>> You can't. Without that information, the deserializer wouldn't know
>> to create NodeType instance from the P2 package.
> Ed, thanks for your answer!
>
> At last I managed to save xml without xsi:type if I don't demand new
> feature for anyType but use obj.eContainmentFeature(), i.e.
>
> AnyType anyType = XMLTypeFactory.eINSTANCE.createAnyType();
> anyType.getMixed().add(obj.eContainmentFeature(), obj);
>
> It seems like a hack, but I realy wonder why deserializer wouldn't
> know to create NodeType from P2 package as it knows that node element
> from p2 namespace therefore it should create object from P2
> corresponding to that element, the same as when p2:node is the root,
> e.g. through DocumentRoot for P2 package.
It sounds like you should have used
P2Package.Literals.DOCUMENT_ROOT__NODE as the feature above, rather than
demand creating one with that same name and namespace.
>
> Alexey
Ed Merks
Professional Support: https://www.macromodeling.com/
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