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JOPA - Release Notes

0.9.7 - May 27, 2017

  • Fixed issue with handling cascading cycles (Bug #4).
  • Fixed issue with parsing queries without spaces after variables (Bug #6).
  • Fixed issue with loading unmapped properties in Sesame driver.
  • Added support for namespace specification.
  • Added support for generating subclasses in OWL2Java.
  • Improved handling of query result sets.

0.9.6 - April 27, 2017

  • Fixed issue with loading classes containing 'class' in name (Bug #5).
  • Implemented support for EntityListeners.
  • Escape string parameters in SPARQL native queries.

0.9.5 - March 22, 2017

  • Fixed issue with mapped superclass referencing its descendants (Bug #3).
  • Fixed issue with cloning content of singleton collections elements.
  • Upgraded Sesame driver from Sesame API 2.8.9 to RDF4J 2.2.
  • Mark transaction for rollback when exception is thrown in persistence context-related operations.

0.9.4 - March 10, 2017

  • Fixed issue with merge overwriting values of references in managed objects (Bug #2).
  • Aligned merge implementation with the JPA specification semantics.

0.9.3 - February 28,2017

  • Fixed issue in which second level cache was being bypassed by instances loaded from repository.
  • Create default collection instance (currently ArrayList, HashSet) when unable to clone the specified instance.
  • Minor performance improvements.

0.9.2 - February 18, 2017

  • Internal entity lifecycle callbacks support (Lifecycle callback methods declared directly in entity classes).

0.9.1 - January 3, 2017

  • Fixed major memory leak in persistence context management.

0.9.0 - December 13, 2016

  • Support for single inheritance.

0.8.8 - December 9, 2016

  • Added support for datatype property collections in entities.

0.8.7 - November 3, 2016

  • Added support for Query.executeUpdate, which executes SPARQL Update statements on the repository. (This feature is not supported by OWL2Query, so it only applies to Sesame-backed applications.)

0.8.6 - September 30, 2016

  • Fixed issue with merging changes into collections which do not support the clear operation (e.g. singleton collections).

0.8.5 - September 26, 2016

  • Upgraded to OWL API 4.2.4 - it fixes issues with missing import statements after ontology copy,
  • Changed the way transactional snapshot are created in the OWL API driver.
  • Refactored metamodel as a preparation for inheritance implementation. Use AspectJ 1.8.9.

0.8.4 - July 13, 2016

  • Added support for named native queries. Declaration is similar to JPA, just use @NamedNativeQuery or @NamedNativeQueries on an entity or its mapped superclass and the query will be available in the persistence unit.

0.8.3 - July 12, 2016

  • Consistent handling of instances with the same identifier (i.e. the same individual). Only single instance with a given identifier is allowed in one persistence context. But, persisting the same individual as instance of different classes in different persistence contexts is possible.

0.8.2 - July 4, 2016

  • Major improvement of instance loading in the Sesame driver
  • Fixed bug in CollectionChangeDetector, which caused identical collection to behave as different (issue with element ordering)

0.8.1 - June 29, 2016

  • More efficient handling of repository connections in the Sesame driver

0.8.0 - June 17, 2016

  • Added support for Mapped superclass (@MappedSuperclass annotation)
  • Do not allow non-entities in EntityManager operations (e.g. persist, find) - conforms to JPA

0.7.12 - June 8, 2016

  • Fixed issue with updating value in context,
  • Verify integrity constraints on merge

0.7.11 - June 6, 2016

  • Generation of Vocabularies improvements - individuals, whole file processing.

0.7.10 - June 1, 2016

  • Added support for URI-based types, i.e. now it is possible to use @Types Set<URI> types in entities

0.7.9 - May 22, 2016

  • Fixed issue with running multiple persistence units in the same VM.

0.7.8 - May 16, 2016

  • Implemented support for EntityManager.unwrap. Using unwrap, it is possible to get a hold of for example the Sesame in-memory repository used by the Sesame driver (which is otherwise, due to the Sesame API architecture, inaccessible through the RepositoryProvider.

0.7.7 - May 11, 2016

  • Added the possibility to generate only vocabulary using OWL2Java, without the Java object model itself.

0.7.6 - April 15, 2016

  • Added support for plain identifiers as values of Annotation and Object properties
    • E.g. when an entity has an object property pointing to another individual, but that individual is not mapped by any class in the object model, its URI can now be used as the property value

0.7.5 - March 31, 2016

  • Use xsd:int for mapping Java Integer/int values to RDF. Most Java implementations (including JAXB) do it this way.

0.7.4 - March 21, 2016

  • Implemented support for typed @Properties fields (i.e. @Properties field can now be a Map<URI, Set<Object>>, where values have corresponding types instead of plain strings)