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JOPA - Release Notes

0.10.7 - November 1, 2018

  • Added support for Java 8 Date/Time API (Feature #36).
  • Fixed issue with caching instances of classes overriding equals/hashCode.
  • Upgraded to AspectJ 1.9.2, Jena 3.9.0, OWL API 5.1.7 and RDF4J 2.4.1.

0.10.6 - September 25, 2018

  • Support unbound variables in VariableResult in SparqlResultMapping.
  • Fixed incorrect handling of language on attribute loading.
  • More consistent handling of open/close persistence context.

0.10.5 - August 13, 2018

  • Removed several unused files, libraries.
  • Improved collection cloning.
  • Fixed incorrect field cardinality specification in OWL2Java.
  • Upgraded to OWLAPI 5.1.6.
  • Added aop.xml so that load time weaving can be used with JOPA.

0.10.4 - July 20, 2018

  • Fixed a critical NPX issue caused by inherited indirect collections not being removed when an entity was detached from the persistence context.

0.10.3 - July 19, 2018

  • Reduced memory footprint.
  • Configurable generation of Javadoc from rdfs:comment annotations in OWL2Java (Enhancement #35).
  • Entity classes generated by OWL2Java implement Serializable.
  • Introduced dedicated classes with constants from RDF, RDFS and OWL namespaces into the API.
  • Deprecated CommonVocabulary, use RDF, RDFS, OWL and XSD classes instead.

0.10.2 - June 18, 2018

  • Fixed bug SPARQL query parser which prevent the use of property paths together with variables.
  • Added support for setting the in-memory storage in Jena and RDF4J driver (Enhancement #32).
  • Working on Github Wiki.

0.10.1 - May 20, 2018

  • Fixed bug where old object property assertion was not removed on merge (Bug #33).
  • Allow to reload file-based storage in OntoDriver (Enhancement #33).
    • Use the ReloadableDataSource, which can be unwrapped from an EntityManagerFactory.
  • Fixes in the Jena driver. Support for consistency checks.
  • Do not mark transaction for rollback on NoResultException and NoUniqueResultException. This improves compatibility with Spring declarative transaction support (jopa-spring-transaction).
  • Library updates (AspectJ 1.9.1, RDF4J 2.3.1).
  • Support for anonymous ontologies in OWLAPI driver.

0.10.0 - April 11, 2018

  • Jena OntoDriver implementation (Enhancement #18).
    • In-memory, File and TDB storage are supported.

0.9.16 - March 29, 2018

  • Fixed bug in cloning instances with circular dependencies (using collections).
  • Updated the compiler and AspectJ plugins.

0.9.15 - February 21, 2018

  • Fixed dependency conflict in JOPA Maven plugin (Bug #29).

0.9.14 - February 20, 2018

  • Fixed incorrect implementation of contains in Sesame driver.
  • Minor memory consumption optimizations.
  • Fixed volatile order of generated vocabulary elements (Issue #28).

0.9.13 - January 14, 2018

  • Fixed issue with OWL2Java silently ignoring missing imports (Bug #22).
  • Upgraded to OWLAPI 5.1.3. Upgraded to OWL2Query 0.5.0.
  • Unified OWLAPI version in all project submodules.
  • Switched to Openllet in tests (it supports OWLAPI 5).

0.9.12 - December 4, 2017

  • Rewrote em.refresh to correspond to JPA behavior (Issue #17).
  • Upgraded to the latest RDF4J (2.2.4).
  • Generate class names compliant with Java naming conventions (OWL2Java).
  • Added support for untyped query parameters to Query API (necessary for LIMIT and OFFSET support).
  • Also added support for Query.setFirstResult.

0.9.11 - November 14, 2017

  • Finished implementation of support for result set mapping - EntityResult (Feature #7).
  • Fixed issue with PostLoad lifecycle callbacks and listeners not being called for referenced entities (Bug #10).
  • Improved performance of the getter/setter Aspect. This also caused smaller memory requirements for tracking persistence context of entities.
  • Rewrote persistence provider discovery to work the same as in JPA.
  • Better support of the isLoaded methods.

0.9.10 - October 16, 2017

  • Partial support for SPARQL result set mapping - VariableResult and ConstructorResult (Feature #7).
  • Fixed issue with class discovery in JDK 9 (Bug #8, thanks to Yan Doroshenko).
  • Log executed query to provide more auditing info.

0.9.9 - September 2, 2017

  • Support for credentials specification for accessing remote RDF4J repositories.
  • Reworked instance persist to prevent saving pending references before the target instances are saved. This also fixes the problem of prematurely generated IDs.
  • Reworked merge to have semantics more corresponding to JPA.
  • Allow descriptor specification for TypedQuery results. This allows context to be specified for these results. It also replaces the original possibility of setting context for query, which did not work anyway.

0.9.8 - June 26, 2017

  • Added support for language tag specification of String attributes.

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)