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From Emmanuel Venisse <emman...@venisse.net>
Subject Re: Fwd: [ANN] Apache JDO 2.0 beta released
Date Tue, 31 Jan 2006 22:26:38 GMT
it is there : http://www.ibiblio.org/maven2/javax/jdo/jdo2-api/2.0-beta/

Thanks. I'll switch.

Emmanuel

Brett Porter a écrit :
> we should switch to this - not sure if its in the repo yet.
> 
> - Brett
> 
> ---------- Forwarded message ----------
> From: Craig L Russell <Craig.Russell@sun.com>
> Date: Feb 1, 2006 5:47 AM
> Subject: [ANN] Apache JDO 2.0 beta released
> To: general@db.apache.org
> Cc: JDO Expert Group <jdo-experts-ext@sun.com>, Apache JDO project
> <jdo-dev@db.apache.org>
> 
> 
> The Apache JDO project http://db.apache.org/jdo is pleased to announce
> the release of Apache JDO 2.0 beta, a preview release of Apache JDO 2.0.
> Apache JDO is a subproject of the Apache DB project.
> 
> JDO is a JCP standard interface for persistence of Java objects.
> It is datastore-agnostic and supports relational and non-relational
> databases. For details, please see http://jcp.org/en/jsr/detail?id=243
> 
> The Apache JDO project builds the JDO API jars used by application
> programmers and the JDO TCK jars, used to verify compliance with
> the specification. The Apache JDO project does not build an implementation
> of JDO 2.0. The JDO 2.0 Reference Implementation is JPOX,
> which is available via its own download: http://jpox.org
> 
> Apache JDO API and TCK are available as a source download from mirrors
> http://www.apache.org/dyn/closer.cgi
> /db/jdo/2.0-beta. The jar files are available in binary form as maven form
> from mirrors /java-repository/javax.jdo and
> /java-repository/org.apache.jdo
> 
> JDO 2.0 builds on the JDO 1 API. Applications built to use JDO 1 need only
> to be recompiled to run with JDO 2.0.
> 
> Features in the JDO 2.0 release include:
> 
> - Standard mapping from objects to relational databases
> - Multi-tier support without use of Data Transfer Objects
> - Improved query support including projections and aggregates
> - Stored queries in metadata
> - Deletion by query
> - Optimized fetching of object graphs without writing special queries
> - Extensive List and Map support
> - Lazy loading of large collections
> - Better support for single-field primary keys
> - Object lifecycle event monitoring
> - Improved support for bidirectional relationships
> 
> 
> 
> 
> Craig Russell
> 
> Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
> 
> 408 276-5638 mailto:Craig.Russell@sun.com
> 
> P.S. A good JDO? O, Gasp!
> 
> 
> 


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