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https://issues.apache.org/jira/browse/OPENJPA-1971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dianne Richards updated OPENJPA-1971:
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Attachment: supported_annotations.pdf
The design for this includes an extendable schema file that copies relevant JPA
schema and has points of extension. There will then be an OpenJPA schema file
which includes extensions supporting the OpenJPA annotations. These files will
be posted at a later date. But, first I want to post some tables showing what
annotation support will be initially provided. Please feel free to provide
feedback.
> Provide XML-based configuration for OpenJPA's custom metadata and mapping
> extensions
> ------------------------------------------------------------------------------------
>
> Key: OPENJPA-1971
> URL: https://issues.apache.org/jira/browse/OPENJPA-1971
> Project: OpenJPA
> Issue Type: New Feature
> Components: competitive, jpa, usability
> Affects Versions: 2.2.0
> Reporter: Jeremy Bauer
> Assignee: Dianne Richards
> Attachments: supported_annotations.pdf, supported_annotations.pdf
>
>
> Context: The JPA specification includes many annotations for the
> specification of metadata and mapping information within Java classes. In
> addition, the spec provides a means to supply the same information within XML
> configuration files (orm.xml). One primary benefit of XML config files is it
> allows modification of the ORM information without needing to recompile the
> source code.
> OpenJPA has many custom metadata and mapping annotations that can be used to
> provided functionality beyond the JPA specification. However, these
> extensions are available only through annotations. There is currently no
> means to specify the metadata or mapping extensions via XML. We've had
> several requests for this capability, but it hasn't seen much/any activity.
>
> Task:
> 1) Understand OpenJPA's annotation extensions.
> 2) Determine which annotations make sense to provide in XML configuration
> 3) Design a schema for the XML-based configuration file (openjpa-orm.xml?)
> 4) Creating metadata and mapping parsers for the new XML mapping file
> 5) Wire the new parsers into the existing code path.
> 6) Provide adequate jUnit tests for the new function.
> Mentor: techhusky at gmail dot com
> Complexity: moderate
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