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From Matthew Adams <matt...@matthewadams.me>
Subject Re: DataNucleus AccessPlatform 2.0.0 released
Date Fri, 08 Jan 2010 18:45:59 GMT
Sweet, Andy.  Once again, great work.  I really appreciate your
continuing efforts to keep DataNucleus at the forefront of persistence
technology.

Sincerely,
Matthew

On Fri, Jan 8, 2010 at 7:46 AM, Andy Jefferson <andy@datanucleus.org> wrote:
> Just for reference, AccessPlatform 2.0.0 is now released. This builds against
> current SVN trunk of Apache JDO api (and a jar of that snapshot is present in
> DN Maven2 repo, entitled "jdo2-api-2.3-ec.jar").
>
> Version 2.0.0 of AccessPlatform includes the following over version 1.1 :-
>
> * Significantly reworked internal API's to aid easier support for other
> datastores, and datastore features in the future
> * Support for persistence to Amazon S3
> * Support for persistence to HBase (HADOOP)
> * Support for persistence to Oracle Timesten
> * Support for persistence of JodaTime fields
> * Support for auto-generation of primary key classes during enhancement
> * Change default for non-transactional read/write to true for JDO
> * Support atomic non-transactional write persist/delete operations
> * Level 2 Cache is now enabled by default (soft)
> * Split query cache into 3 components : generic compilation, datastore
> compilation and query results. Added API for managing caching of query results
> (using JDO or JPA).
> * Cache : Support for pinning/unpinning of query results with
> Memcache/javax.cache
> * Support for JDO 2.3 Query cancel, and datastore read/write timeout
> * Support for explicit JPA extended persistence context
> * Support for JPA2 metamodel API, and bean validation
> * Support for various new JPA2 JPQL keywords
> * Support for JPA2 ORM additions
> * Support for update/delete-by-query for RDBMS (JPQL)
> * Rewritten RDBMS JPQL implementation building on generic query compiler. This
> is now the default JPQL implementation for RDBMS, and can be used with the
> query caching mechanism.
> * Rewritten RDBMS JDOQL implementation building on generic query compiler.
> This is not currently the default JDOQL implementation but is available to be
> used, and can be used with the query caching mechanism.
> * LDAP : Support for persistence of recursive object graph to hierarchical
> structure
> * Add support for PMF/EMF singleton pattern, via persistence property
> * Spatial : Many fixes to handling of JTS types.
> * Many bug fixes, and minor feature additions.
>
>
> The reworked JDOQL implementation for RDBMS will be completed during the 2.0
> timeline, and eventually will become the default. When the JDO 2.3 TCK is
> complete then there will be a release of AccessPlatform that passes that TCK
> completely.
>
> --
> Andy
> DataNucleus (http://www.datanucleus.org)
>



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