[jira] Resolved: (TUSCANY-709) Loads DataGraph in designated scope(TypeHelper)

["Kelvin Goodson (JIRA)" <tu...@ws.apache.org>]

     [ https://issues.apache.org/jira/browse/TUSCANY-709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kelvin Goodson resolved TUSCANY-709.
------------------------------------

    Resolution: Fixed

loadDataGraph(InputStream inputStream, Map options, TypeHelper scope) ensure the extended metadata from the scope is used for the period of the datagraph load,  and ensures the supplied options map is unchanged on exit from the method


> Loads DataGraph in designated scope(TypeHelper)
> -----------------------------------------------
>
>                 Key: TUSCANY-709
>                 URL: https://issues.apache.org/jira/browse/TUSCANY-709
>             Project: Tuscany
>          Issue Type: Improvement
>          Components: Java SDO Implementation
>    Affects Versions: Java-M2
>            Reporter: Yang ZHONG
>            Priority: Minor
>             Fix For: Java-SDO-Mx
>
>         Attachments: patch.709
>
>
> SDOUtil.loadDataGraph doesn't support scope, this improvement tries to address that.
> TypeHelper#define registers Types with the corresponding TypeHelper instance (scope)
> and XMLHelper#load utilizes the registered Types from the corresponding scope to instantiate DataObject instances.
> Unfortunately yet, current SDOUtil.loadDataGraph
> 2-1. can't designate scope to register serialized Types,
> 2-2. and can't designate scope to utilize already registered Types in order to instantiate user expected DataObject instances.
> An example of 2-1 is SerializeTypesTestCase had to
>         // The following is a kludge to force deserialization of metadata into a different TypeHelper (scope)
>         // TBD figure out a proper non-EMF way to do this.
>         Map options = new HashMap();
>         Object differentFromSerializing = ((TypeHelperImpl) deserializingTypeHelper).getExtendedMetaData();
>         options.put(XMLResource.OPTION_EXTENDED_META_DATA, differentFromSerializing);
> This proposal tries to adress scope by
> 2-1. add new SDOUtil.loadDataGraph(InputStream inputStream,Map options,TypeHelper scope)throws IOException
> 2-2. deprecate old SDOUtil.loadDataGraph(InputStream inputStream,Map options)throws IOException
> Any comment is welcomed.

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