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https://issues.apache.org/jira/browse/JDO-615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andy Jefferson updated JDO-615:
-------------------------------
Attachment: jdometadata-2.patch
Updated patch for basic MetaData bean-style components. Maybe some attributes
not yet present - please comment.
Also requires a MetaDataFactory for creating the implementation of each type,
so we could have
pmf.getMetaDataManager()
which returns an implementation of "javax.jdo.metadata.MetaDataManager" (to be
defined) and which has a series of factory methods for creating the
implementations of the metadata components. Also has a method
registerMetaData(...) allowing users to hook in their dyanmically created
metadata.
> MetaData specification API
> --------------------------
>
> Key: JDO-615
> URL: https://issues.apache.org/jira/browse/JDO-615
> Project: JDO
> Issue Type: New Feature
> Reporter: Andy Jefferson
> Fix For: JDO 2 maintenance release 3
>
> Attachments: jdometadata-2.patch
>
>
> We can specify MetaData via XML or annotations. The only way missing is via
> an API. I propose mirroring the XML structure with interfaces of the form
> public interface MetaData
> {
> addExtension(String key, String value);
> removeExtension(String key, String value);
> ...
> }
> public interface FileMetaData
> {
> addPackage(PackageMetaData pmd);
> ...
> }
> public interface PackageMetaData
> {
> addClass(ClassMetaData cmd)
> ...
> }
> public interface ClassMetaData
> {
> addField(FieldMetaData fmd)
> ...
> }
> public interface FieldMetaData
> {
> setInheritance(InheritanceMetaData inhmd)
> ...
> }
> and so on.
> We would then require a method on the PMF to register the metadata.
> If there are no objections to such a feature I'll propose a patch to try to
> provide all current JDO2 capabilities.
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