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Qi4j Extensions
Extensions are subsystems of functionality that enhances, extends or improves the Core Qi4j system, but does not expose this functionality to client code or any libraries. No code should ever depend on any extension. In essence, they are plugins of functionality to Qi4j.
Currently, there are three areas of extensions;
- Entity Stores, for persistence.
- Indexing, to support Queries.
- External Interfaces, such as ReST and WS-*.
Status
Each extension has it's own life cycle, and work will progress according to community activity. Each extension also maintain a dev-status file, to provide rudimentary information about the current status of that library. This is compiled automatically into the table below.
| Library | Codebase | Tests | Documentation | Licenses |
|---|---|---|---|---|
| Ehcache Cache | early | some | brief | ALv2 |
| File System Entity Store | early | none | none | ALv2 |
| Google AppEngine Store | early | none | none | ALv2 |
| Hazelcast Store | beta | some | none | ALv2 |
| JDBM Store | beta | some | none | ALv2 |
| Neo4j Store | early | some | none | ALv2 AGPLv3 |
| Preferences Entity Store | beta | some | none | ALv2 |
| QRM Store | early | some | none | ALv2 |
| REST Interface | early | some | none | ALv2 |
| SQL Store | early | some | none | ALv2 |
| Entity Store - Project Voldemort | early | some | none | ALv2 |
| RDF Indexing | beta | some | none | ALv2 |
| SQL Indexing | early | some | none | ALv2 |
| EntityStore Data Migration | beta | some | none | ALv2 |
| Reindexer | early | none | none | ALv2 |
Qi4j and the Qi4j logo are trademarks of Richard Öberg, Niclas Hedhman and the members of the Qi4j Core Team. See Qi4j licensing for more information.
