EclipseLink/Development/JPA 2.0/query definition api
Query Definition API
JPA 2.0 specification has introduced a comprehensive object oriented query definition API which compliments JPQL.
This feature is covered in section 5 of the specification.
Should be a simple translation to EclipseLink Queries and Expressions but will be work intensive. Some methods and interfaces can not be completed until the equivalent functionality has been added to EclipseLink
- Develop model for testing
- approx 4 day
- Update Processing
- approx 13 days - creating query definition implementation.
- reformulates expression from new root. Usefull for reusing expressions on new queries
- Selection and Where must have at least one matching root to form query, otherwise illegal argument results