Notice: This Wiki is now read only and edits are no longer possible. Please see: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/wikis/Wiki-shutdown-plan for the plan.
Difference between revisions of "EclipseLink/Examples/JPA/Migration/OpenJPA"
< EclipseLink | Examples | JPA | Migration
(→How To Migrate from OpenJPA to EclipseLink JPA) |
(→How To Migrate from OpenJPA to EclipseLink JPA) |
||
| Line 3: | Line 3: | ||
Migrating from OpenJPA to EclipseLink JPA involves a number of standrd JPA migration steps plus modification of code to handle extended functionality. | Migrating from OpenJPA to EclipseLink JPA involves a number of standrd JPA migration steps plus modification of code to handle extended functionality. | ||
| − | # EclipseLink/Examples/JPA/Migration/OpenJPA/ | + | # [[EclipseLink/Examples/JPA/Migration/OpenJPA/PersistenceXML | Persistence.XML]] |
| − | # Query Hints | + | # [[EclipseLink/Examples/JPA/Migration/OpenJPA/QueryHints | Query Hints]] |
# Extended Functionality | # Extended Functionality | ||
=== Extended Functionality === | === Extended Functionality === | ||
| − | + | OpenJPA does offer some features that go beyond the JPA specification the following sections describe these features and how you migrate to the corresponding functionality in EclipseLink. | |
* BigCollection | * BigCollection | ||
Revision as of 11:14, 24 September 2009
How To Migrate from OpenJPA to EclipseLink JPA
Migrating from OpenJPA to EclipseLink JPA involves a number of standrd JPA migration steps plus modification of code to handle extended functionality.
- Persistence.XML
- Query Hints
- Extended Functionality
Extended Functionality
OpenJPA does offer some features that go beyond the JPA specification the following sections describe these features and how you migrate to the corresponding functionality in EclipseLink.
- BigCollection
- FetchPlan/Group
- Inheritance Casting
- Native SQL with POJO results
- Detached (Serialized) entities & relationships