Help

I'm happy to announce a new release of Hibernate OGM.

The MongoDB backend now supports the MongoDB CLI syntax for native queries. In Neo4j, we have solved a bug related to the way we store embedded collections (OGM-549) and we now create only one relationship for bidirectional associations. We have also worked on the compatibility with WildFLy 8.1. You can find more details about this release on JIRA.

As always, you can either download a release bundle from SourceForge or retrieve the JARs from the JBoss Nexus repository server using Maven, Gradle etc. The GAV coordinates are:

  • org.hibernate.ogm:hibernate-ogm-core:4.1.0.Beta4 for the OGM engine and
  • org.hibernate.ogm:hibernate-ogm-<datastore>:4.1.0.Beta4, depending on the backend you want to use.

Support for MongoDB CLI syntax

You can now specify queries using the MongoDB CLI syntax as shown in the following example:

    @Entity
    class Poem {
       ...
       String name;
       String author;
       ...
    }

    String poemsQuery = "db.Poem.find({'$query': { 'author': 'Oscar Wilde' }, '$orderby': { 'name': 1 }})";

    EntityManager em = ...
    List<Poem> oscarWildePoems = (List<Poem>)em.createNativeQuery( poemsQuery, Poem.class )
                                 .getResultList();

Currently only find() and count() queries are supported via the CLI syntax.

One relationship for bidirectional associations

In Neo4j, it is possible to navigate a relationship in both directions at the same speed. We moved to a more natural mapping using one relationship (instead of two) for a bidirectional association.

What's next?

For the Neo4j backend, we plan to make the mapping for one-to-one relationships more natural, remove redundant properties and translate JP-QL queries into native Cypher queries.

We will also work on the generation of error reports with the failed operations on non-transactional db.

You're very welcome to raise your voice on the mailing list, ask questions in the forum or report any bugs or feature requests in the issue tracker.

2 comments:
 
29. Aug 2014, 06:50 CET | Link
obat kanker otak herbal

That is really a brilliant post, many thanks alot : ) for telling Great luck I found out concerning this particular blog. obat kanker otak herbal

ReplyQuote
 
30. Aug 2014, 03:41 CET | Link

Best friend successive good years, Gucci Shoes Factory, winter spent in Sanya, Monster Beats Outlet, so winter home, seems to be nowhere in sight, North Jackets Outlet, both a little rusty, Nike Air Max Shoes, but also very cordial, Burberry Outlet Online, forward to tonight, feather-like snow, MCM Bags Outlet, drifts underground, Coach Black Friday, looking at that the floc, Louis Vuitton Outlet, fly like snow Ling, Michael Kors Outlet Online, eloquent, Polo Outlet Online, flying in the sky, Cheap Canada Goose, limp walk downs, strange things, Marc Jacobs Outlet Online, I float thinking lianpian, North Outlet Online, poetic heart wenqing, not help surging surging, Coach Factory Outlet, so I borrowed the winter, Ralph Lauren UK, snows research ink, Longchamp Sacs Sortie, into the mind of inactivity, Michael Kors Outlet, the white snow everywhere, Monster Beats By Dre, wrapped in some different, Ralph Lauren Outlet, kind of scenery, Oakley Sunglaases Outlet, wherever the wind in the faces, of the people, Michael Kors Bags Outlet, who are very Huddled, could not help.

Post Comment