Persistence.xml file for datasource

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<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="user-unit">
		<provider>org.hibernate.ejb.HibernatePersistence</provider>
		<jta-data-source>java:jboss/jdbc/ExampleDS</jta-data-source>
		<properties>
			<property name="hibernate.archive.autodetection" value="class" />
			<property name="hibernate.show_sql" value="true" />
			<property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect" />
			<property name="hibernate.hbm2ddl.auto" value="validate" />
			<property name="hibernate.c3p0.min_size" value="5" />
			<property name="hibernate.c3p0.max_size" value="20" />
			<property name="hibernate.c3p0.timeout" value="300" />
			<property name="hibernate.c3p0.max_statements" value="50" />
			<property name="hibernate.c3p0.idle_test_period" value="3000" />
		</properties>
	</persistence-unit>

</persistence>