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copied!<p>Just to give you high level prespective. JPA is standard persistence API provided by SUN.<br> You can use any persistence framework like Hibernate,TopLink,JDO etc as persistence provider with JPA.<br></p> <p>So just to make things clear </p> <p>Your code -----> JPA ----->Persistence Provider(Hibernate).</p> <p>Its will be good practice to use JPA as it is standard library.</p> <p>So what is your persistence provider information should only be known to JPA and not your code specific XML's.</p> <p>This is how your persistence.xml will look like</p> <pre><code><persistence version="1.0" 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"> <persistence-unit name="QuarkFrameworkPU" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> </persistence-unit> </code></pre> <p></p> <p>And your Application context will look like (Dependent on JPA , no mention of Hibernate)</p> <pre><code> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource" p:driverClassName="com.mysql.jdbc.Driver" p:url="${db.url}" />  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="QuarkFrameworkPU" /> <property name="dataSource" ref="dataSource" /> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="true" /> </bean> </property> </bean> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory" /> <property name="dataSource" ref="dataSource" /> </bean> </code></pre>

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