[jira] Resolved: (TUSCANY-1074) Using DataFactory to create a generic data object

["Frank Budinsky (JIRA)" <tu...@ws.apache.org>]

     [ https://issues.apache.org/jira/browse/TUSCANY-1074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank Budinsky resolved TUSCANY-1074.
-------------------------------------

    Resolution: Won't Fix

I believe that this was an attempt to provide a "standard" way to create a generic DataObject that could be used to wrap a DataType value - for example when serializling an XML document where the root element is a simpleType. But, since DataObject is abstract, this isn't an acceptable solution. SDOUtil.createDataTypeWrapper() is the Tuscany-specific way to do this. If the SDO spec introduces a new type for this in the future, then we can use it instead of SDOUtil.

> Using DataFactory to create a generic data object
> -------------------------------------------------
>
>                 Key: TUSCANY-1074
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-1074
>             Project: Tuscany
>          Issue Type: Task
>          Components: Java SDO Implementation
>    Affects Versions: Java-SDO-Mx
>            Reporter: Kelvin Goodson
>            Priority: Minor
>             Fix For: Java-SDO-Mx
>
>
> Before the last regeneration of ModelPackageImpl there was a use case which was supported that permitted a call to DataFactory.INSTANCE.create("commonj.sdo","DataObject"); which resulted in the creation of an instance of AnyTypeDataObject in the namespace "http://www.apache.org/tuscany/2005/SDO".  This was a manual fix up to the generated ModelFactoryImpl class which didn't get transferred to the new version.
> TUSCANY-1055 drew our attention to this,  because it blocks the creation of abstract types, such as "commonj.sdo","DataObject",  which is the correct thing to do according to the spec.  This task is to attempt to rediscover the use case that required this behaviour and rethink how to support it.  A possibility is to introduce into the SDO spec the concept of a concrete type of "commonj.sdo","GenericDataObject",  which would be open and mixed etc.

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