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Difference between revisions of "User:Rick.barkhouse.oracle.com/Test2"
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= XML MetadataSource = | = XML MetadataSource = | ||
| − | EclipseLink '''2.3''' introduces the concept of a '''MetadataSource''', which is responsible for | + | EclipseLink '''2.3''' introduces the concept of a '''MetadataSource''', which is responsible for serving up EclipseLink metadata. This allows you to store mapping information outside of your application and have it retrieved when the application's '''JAXBContext''' is being created or refreshed. |
| + | |||
| + | |||
| + | == Implementing a MetadataSource == | ||
| + | |||
| + | To implement your own '''MetadataSource''', you can: | ||
| + | |||
| + | * Create a new class that implements the '''org.eclipse.persistence.jaxb.metadata.MetadataSource''' interface | ||
| + | * Create a new class that extends the '''org.eclipse.persistence.jaxb.metadata.MetadataSourceAdapter''' class | ||
| + | |||
| + | Using the '''MetadataSourceAdapter''' is preferred, as it will insulate you from future additions to the interface. | ||
Revision as of 16:11, 6 July 2011
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Key APIXML MetadataSource
EclipseLink 2.3 introduces the concept of a MetadataSource, which is responsible for serving up EclipseLink metadata. This allows you to store mapping information outside of your application and have it retrieved when the application's JAXBContext is being created or refreshed.
Implementing a MetadataSource
To implement your own MetadataSource, you can:
- Create a new class that implements the org.eclipse.persistence.jaxb.metadata.MetadataSource interface
- Create a new class that extends the org.eclipse.persistence.jaxb.metadata.MetadataSourceAdapter class
Using the MetadataSourceAdapter is preferred, as it will insulate you from future additions to the interface.