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Shared cache on multi base using same classes [message #781012] Wed, 18 January 2012 10:53
Robin CAMUS is currently offline Robin CAMUS
Messages: 8
Registered: January 2012
Junior Member
Hello,
I'm using eclipselink to access multiple bases using the same tables and i want to know if i can simply use a persistence.xml like this :


<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" ... (cannot use links :X)>


<persistence-unit name="DATA_M" transaction-type="JTA">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<jta-data-source>jdbc/DATA_M</jta-data-source>
<class>onp.modele.adli.ListeDiffusion</class>
<class>onp.modele.commun.Agent</class>
<class>onp.modele.commun.JourFerie</class>
<class>onp.modele.adse.SecteurRegle</class>
...
<properties>
<property name="eclipselink.weaving.internal" value="false"/>
</properties>
</persistence-unit>

<persistence-unit name="DATA_X" transaction-type="JTA">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<jta-data-source>jdbc/DATA_M</jta-data-source>
<class>onp.modele.adli.ListeDiffusion</class>
<class>onp.modele.commun.Agent</class>
<class>onp.modele.commun.JourFerie</class>
<class>onp.modele.adse.SecteurRegle</class>
...
<properties>
<property name="eclipselink.weaving.internal" value="false"/>
</properties>
</persistence-unit>
... (for 20 different persistence units)


Do eclipselink use different cache for each datasource?
Or will i ll be experiencing some cache issue (2 onp.modele.commun.Agent can have the same id key but different values if they re not in the same base).
Or do i need to specify additionals properties so i can use it like this.

Thx in advance.

Other stuff :
Using
weblogic 10.3.4
eclipselink 2.1.2
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