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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I have coded a Session Broker framework. It is designed to also
support Hibernate specific APIs by deriving from neutral classes.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Please take a look at: <a
href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=260258">https://bugs.eclipse.org/bugs/show_bug.cgi?id=260258</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Sebastien Tardif <br>
<b>Sent:</b> Monday, April 20, 2009 3:27 PM<br>
<b>To:</b> 'hibernate-users@lists.jboss.org'<br>
<b>Subject:</b> Anyone aware of an implementation of SessionBroker on top of
JPA or Hibernate API?<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Anyone
aware of an implementation of SessionBroker on top of JPA or Hibernate API?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
mean by SessionBroker, an encapsulation of the fact that 2 EntityManager
potentially pointing to 2 different databases are involved. So that the client
is coded like just one EntityManager is used. Similar to: <a
href="http://www.oracle.com/technology/products/ias/toplink/doc/1013/main/b13698/oracle/toplink/sessionbroker/SessionBroker.html">http://www.oracle.com/technology/products/ias/toplink/doc/1013/main/b13698/oracle/toplink/sessionbroker/SessionBroker.html</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>This
is having for constraint that each EntityManager do not reference the same
classes so that query like below can be redirected to the right EntityManager
transparently because can lookup the right EntityManager using the class:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l1 level1 lfo3'><span style='font-size:
10.0pt;font-family:"Arial","sans-serif"'>em.createNativeQuery("select
id from Mag, <span style='color:red'>Mag.class</span>")<o:p></o:p></span></li>
<li class=MsoNormal style='mso-list:l1 level1 lfo3'><span style='font-size:
10.0pt;font-family:"Arial","sans-serif"'>em.createQuery(“from <span
style='color:red'>Category</span> c where xyz”);<o:p></o:p></span></li>
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