Hibernate 2nd lvl cache in seam

[anatorian]

Who know what the default second level cache implementation of the seam's hibernate? How to use treecache as hibernate's second level cache?

[tom_goring]

It depend what you define in persistence.xml.

There are example on the net of how to do this.

<?xml version="1.0" encoding="UTF-8"?>
<!-- Persistence deployment descriptor for dev profile -->
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
     version="1.0">

     <persistence-unit name="S2JNET">
          <provider>org.hibernate.ejb.HibernatePersistence</provider>
          <jta-data-source>java:/S2JNETDatasource</jta-data-source>
          <properties>
               <property name="hibernate.dialect"
                    value="org.hibernate.dialect.MySQLDialect" />
               <property name="hibernate.hbm2ddl.auto" value="update" />
<!--                <property name="hibernate.hbm2ddl.auto" value="update" /> -->
               <property name="hibernate.show_sql" value="true" />
               <property name="hibernate.format_sql" value="true" />
               <property name="hibernate.cache.use_query_cache" value="true" />
               <property name="hibernate.use_identifier_rollback" value="true" />
               <property name="hibernate.cache.provider_class"
                    value="org.jboss.ejb3.entity.TreeCacheProviderHook" />
               <property name="hibernate.treecache.mbean.object_name"
                    value="jboss.cache:service=EJB3EntityTreeCache" />
               <property name="jboss.entity.manager.factory.jndi.name"
                    value="java:/S2JNETEntityManagerFactory" />
          </properties>
     </persistence-unit>

</persistence>