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or Castor JDO. It is an OpenSource object-relational mapping tool developed
by Exolab ( <a class="moz-txt-link-freetext" href="http://castor.exolab.org">http://castor.exolab.org</a>). Castor can be compared to Hibernate
in terms of robustness, power and community reach. I have made very good
experience in large sized java projects. There is also a Castor Doclet project
on SourceForge which supports code generation through Xdoclet, e.g. to generate
the database schema.<br>
<br>
Michael<br>
<br>
Michael Goodwin wrote:<br>
<blockquote type="cite"
cite="midOF83CDEB19.A9425407-ONC1256E1B.0030ADEC@amadeus.net">
<pre wrap="">
You may also want to check out <a class="moz-txt-link-freetext" href="http://www.hibernate.org/">http://www.hibernate.org/</a>
I believe this to be cutting edge. From the site:
'Hibernate is a powerful, ultra-high performance object/relational
persistence and query service for Java. Hibernate lets you develop
persistent objects following common Java idiom - including association,
inheritance, polymorphism, composition and the Java collections framework.
Extremely fine-grained, richly typed object models are possible. The
Hibernate Query Language, designed as a "minimal" object-oriented extension
to SQL, provides an elegant bridge between the object and relational
worlds. Hibernate is now the most popular ORM solution for Java.'
Ha, probably just muddied the waters.
Mike.
From: <a class="moz-txt-link-abbreviated" href="mailto:dwight@penski.com@opencms.org">dwight@penski.com@opencms.org</a> on 13/01/2004 14:16 EST
Please respond to <a class="moz-txt-link-abbreviated" href="mailto:opencms-dev@opencms.org">opencms-dev@opencms.org</a>
Sent by: <a class="moz-txt-link-abbreviated" href="mailto:opencms-dev-admin@opencms.org">opencms-dev-admin@opencms.org</a>
To: <a class="moz-txt-link-abbreviated" href="mailto:opencms-dev@opencms.org">opencms-dev@opencms.org</a>
cc:
Subjec [opencms-dev] OpenCms and
t: Expresso?
Yesterday I asked the question:
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">My question: what database abstraction/persistence layers are available
(Open Source preferred) that work well in JSPs developed and hosted in
OpenCms projects? Even better, are there facilities in OpenCms to
assist in managing database resources, akin to such facilities in
SilverStream? The "Database Management" icon in the OpenCms workbench
appears to only be for importing and exporting of OpenCms projects.
</pre>
</blockquote>
</blockquote>
<pre wrap=""><!---->
Joachim Arrasz suggested Torque and Turbine, but these look still somewhat
low-level, at least from their descriptions ... but perhaps I am mistaken?
Since then I've come across "Expresso" by JCorporate. It appears that
Expresso and OpenCms are largely orthogonal, and Expresso has (or claims
to have) a well-developed object-relational mapping model.
Has anyone had experience with this combination, who can comment on the
wisdom of this path and point out any potential problems?
--Dwight Tuinstra
<a class="moz-txt-link-abbreviated" href="mailto:dwight@penski.com">dwight@penski.com</a>
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