<property name="hibernateProperties">
            <props>
            
                <prop key="hibernate.dialect">org.hibernate.dialect.Oracle9Dialect</prop>
                <prop key="hibernate.show_sql">false</prop>
                <prop key="hibernate.jdbc.batch_size"> 0 </prop>  
                              
                <prop key="hibernate.cache.use_second_level_cache">true</prop>
                <prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>
                <prop key="hibernate.cache.use_query_cache">true</prop> 
                                                               
            </props>
        </property>

<hibernate-mapping auto- import ="true">
	< class  name="eg.entities.Activity" table="PROV_ACTIVITY">
		<cache usage="read-only"/>
		<id name="id" column="id">
			<generator  class ="identity"/>
		</id>
		<property name="name" column="name" />
        <set name="actions" table="PACTIVITY_ACTIVITY">
        	<cache usage="read-only"/>
            <key column="prov_id"/>
            <many-to-many column="act_id"  class ="eg.entities.Action"/>
        </set>
    </ class >
</hibernate-mapping>