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Re: [eclipselink-users] XML Object Reference Mapping
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Hey guys,
Thanks for the effort. Leon and I figured it out - it was due to our fault
(luckily). What happened was that we didn't complete all of our mappings -
somehow this results in not all 1:1 references being resolved. Maybe we'll
sent you our mappings and domain classes later as a reference case. In the
mean time two other (kind a) follow up questions:
+ Is there support to map from XML to Java Enum? I've seen Enum support
mentioned somewhere, but it looks like this is about pseudo enums
(typesafe Java classes)
+ Is there a way to manipulate the way mOXY logs?
Thanks,
-J.
> Hi Leon,
>
> We're looking into this. I can tell you that there is a limitation in
> the Workbench right now on being able to specify the primary key for the
> reference descriptor. The approach you are taking with the afterload
> methods appears to be correct. We'll get back to you on this soon.
>
> Neil
>
> Leon Derks wrote:
>> During debugging I noticed that IndustrialFamily had no primary key
>> (code). This was giving the exception.
>> I could not define a primary key for IndustrialFamily in the
>> workbench. Is this currently not supported?
>>
>> I tried to workaround this problem using afterload methods and doing
>> this in Java.
>>
>> This is my code:
>>
>> public static void afterFamilyLoader(ClassDescriptor familyDescriptor) {
>> familyDescriptor.setJavaClass(IndustrialFamily.class);
>> familyDescriptor.addPrimaryKeyFieldName("@code");
>> }
>> public static void afterProductLoader(ClassDescriptor
>> productDescriptor) {
>> XMLObjectReferenceMapping product = new
>> XMLObjectReferenceMapping();
>> product.setAttributeName("industrialFamily");
>> product.setReferenceClass(IndustrialFamily.class);
>> product.addSourceToTargetKeyFieldAssociation("@familyCode",
>> "@code");
>> productDescriptor.addMapping(product);
>> }
>>
>> I don't get a stacktrace any more. But now the family is null in my
>> Product Object.
>> Is there still something missing in my mapping?
>>
>> Leon
>>
>>
>>
>>
>>
>> Leon Derks wrote:
>>> Hello
>>>
>>> I have a problem (stacktrace) using the XML Object Reference Mapping
>>> in the workbench tool from EclipseLink 1.0M6.
>>>
>>> This is my xml data:
>>>
>>> <CatalogProduct code="123JI" name="BSN Lamp" type="Lamp"
>>> familyCode="BSN-BC4H">
>>>
>>> .....
>>>
>>> </CatalogProduct>
>>>
>>> <IndustrialFamilies>
>>>
>>> <IndustrialFamily code="BSN-BC4H" name="Family Lamps"
>>> productCategoryCode="Lamps"/>
>>>
>>> </IndustrialFamilies>
>>>
>>> I mapped this in the workbench as an XML Object Reference with Source
>>> Xpath=@familyCode and Target Xpath=@code.
>>>
>>> In the eclipselink documentation I read that XML Object Reference is
>>> only supported in Java and not in the workbench. Is this still the
>>> case?
>>>
>>> Running an unmarshall application in Eclipse, results in the
>>> following stacktrace:
>>>
>>>
>>> javax.xml.bind.UnmarshalException
>>>
>>> - with linked exception:
>>>
>>> [java.lang.ArrayIndexOutOfBoundsException: -1]
>>>
>>> at
>>> org.eclipse.persistence.jaxb.JAXBUnmarshaller.unmarshal(JAXBUnmarshaller.java:102)
>>>
>>>
>>> at
>>> com.philips.lighting.research.jaxb.UnmarshallXml.main(UnmarshallXml.java:31)
>>>
>>>
>>> Caused by: java.lang.ArrayIndexOutOfBoundsException: -1
>>>
>>> at java.util.Vector.setElementAt(Unknown Source)
>>>
>>> at
>>> org.eclipse.persistence.oxm.mappings.XMLObjectReferenceMapping.buildReference(XMLObjectReferenceMapping.java:147)
>>>
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.XMLObjectReferenceMappingNodeValue.attribute(XMLObjectReferenceMappingNodeValue.java:91)
>>>
>>>
>>> at
>>> org.eclipse.persistence.oxm.record.UnmarshalRecord.startElement(UnmarshalRecord.java:600)
>>>
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.XMLRelationshipMappingNodeValue.processChild(XMLRelationshipMappingNodeValue.java:72)
>>>
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.XMLCompositeCollectionMappingNodeValue.startElement(XMLCompositeCollectionMappingNodeValue.java:89)
>>>
>>>
>>> at
>>> org.eclipse.persistence.oxm.record.UnmarshalRecord.startElement(UnmarshalRecord.java:558)
>>>
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown
>>> Source)
>>>
>>> at
>>> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown
>>> Source)
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.record.XMLReader.parse(XMLReader.java:99)
>>>
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:216)
>>>
>>>
>>> at
>>> org.eclipse.persistence.internal.oxm.record.SAXUnmarshaller.unmarshal(SAXUnmarshaller.java:193)
>>>
>>>
>>> at
>>> org.eclipse.persistence.oxm.XMLUnmarshaller.unmarshal(XMLUnmarshaller.java:274)
>>>
>>>
>>> at
>>> org.eclipse.persistence.jaxb.JAXBUnmarshaller.unmarshal(JAXBUnmarshaller.java:100)
>>>
>>>
>>> ... 1 more
>>>
>>>
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>>
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