DataNucleus Access Platform is a standards-compliant Java persistence product. It is fully compliant with the JDO1, JDO2, JDO2.1, and JPA1 Java standards. It also complies with the OGC Simple Feature Specification for persistence of geospatial Java types. It allows access to all popular RDBMSs available today, together with db4o, LDAP, NeoDatis, JSON, Excel documents, and XML databases. License: The Apache License 2.0 Changes:
Caching of generic queries was added. Support for NeoDatis embedded server was added. Support for generic compilation of JPQL queries was completed. Support for JDO2.2 @Cacheable was added. Support for JPA2 @ElementCollection/@CollectionTable was added. Support for pluggable methods in generic queries was added. A bug with L2 caching synchronization was fixed. A bug relating to casing of RDBMS identifiers was fixed. Fixes to allow use in full Java security environment were made.