Spring - JPA using profiles

gistfile1.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
		http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
		http://www.springframework.org/schema/context
		http://www.springframework.org/schema/context/spring-context-3.1.xsd
		http://www.springframework.org/schema/tx
		http://www.springframework.org/schema/tx/spring-tx-3.1.xsd"
       xmlns:util="http://www.springframework.org/schema/util">

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="emf"/>
    </bean>
    <tx:annotation-driven/>

    <beans profile="dev">
        <bean id="emf" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
            <property name="persistenceUnitName" value="devUnit"/>
        </bean>
    </beans>

    <beans profile="prod">
        <bean id="emf" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
            <property name="persistenceUnitName" value="productionUnit"/>
        </bean>
    </beans>

    <beans profile="test">
        <bean id="emf" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">
            <property name="persistenceUnitName" value="testUnit"/>
        </bean>
    </beans>

/beans>