Aries does not take into account the concept of complete/incomplete Persistence
Units
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Key: ARIES-736
URL: https://issues.apache.org/jira/browse/ARIES-736
Project: Aries
Issue Type: Bug
Components: JPA
Affects Versions: 0.3
Reporter: Christoph Läubrich
The OSGi spec states (r4.2 127.3.1):
"Entity Manager Factory service - Provides an EntityManagerFactory object that
depends on a complete
Persistence Unit. That is, it is associated with a registered Data Source
Factory service."
The current behaiviour is, that aries registers a Entity Manager Factory
service regardles of the precence of a matching Data Source Factory service
(Also see 127.5.3 Data Source Factory Service Matching).
If no such matching is performed, it alternateively must register a Entity
Manager Factory Builder service (not currently supported by Aries see ARIES-735
for reference).
What infact is unclear to me is:
127.5.3 states that: "Once the Data Source Factory is obtained, the JPA
Provider must obtain a DataSource object. This
Data Source object must then be used for all relational database access."
It does not state how this DataSource could be handed over to the
PersistenceProvider for later usage.
It might be suitable to insert a level of indirection here:
- Aries just reads the persitence units and registers an Entity Manager Factory
Builder service
- PersistencProvider specific bundles match these with the required data source
and register the Entity Manager Factory service
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