<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0"
   xmlns="http://java.sun.com/xml/ns/persistence">
   <persistence-unit name="persistence">
      <provider>org.hibernate.ejb.HibernatePersistence</provider>
      <properties>
         <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
         <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/vraptorspringdatajpa" />
         <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
         <property name="hibernate.connection.username" value="root" />
         <property name="hibernate.connection.password" value="root" />
         
         <property name="hibernate.hbm2ddl.auto" value="update" />
         <property name="hibernate.show_sql" value="true" />
         <property name="hibernate.format_sql" value="true" />
         <property name="hibernate.connection.autoReconnect" value="true" />
         <property name="hibernate.connection.autoReconnectForPools" value="true" />
         
         <!-- C3p0 -->
         <property name="hibernate.c3p0.acquire_increment" value="1" />
         <property name="hibernate.c3p0.idle_test_period" value="100" />
         <property name="hibernate.c3p0.timeout" value="100" />
         <property name="hibernate.c3p0.max_size" value="100" />
         <property name="hibernate.c3p0.max_statement" value="0" />
         <property name="hibernate.c3p0.min_size" value="10" />
      </properties>
   </persistence-unit>
</persistence>

<?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:tx="http://www.springframework.org/schema/tx"
   xmlns:jpa="http://www.springframework.org/schema/data/jpa"
   xmlns:context="http://www.springframework.org/schema/context"
   
   xsi:schemaLocation="http://www.springframework.org/schema/beans
   classpath:org/springframework/beans/factory/xml/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
        classpath:org/springframework/context/config/spring-context-3.0.xsd
        http://www.springframework.org/schema/data/jpa
        classpath:org/springframework/data/jpa/repository/config/spring-jpa-1.0.xsd
        http://www.springframework.org/schema/tx
        classpath:org/springframework/transaction/config/spring-tx-3.0.xsd">

   <context:annotation-config />
   
       <context:component-scan base-package="br.com.vraptor.*" />
   <jpa:repositories base-package="br.com.vraptor.repository" />
   

   <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
      <property name="persistenceXmlLocation" value="classpath*:META-INF/persistence.xml"/>
        <property name="persistenceUnitName" value="persistence" />
        <property name="jpaVendorAdapter">
         <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
            <property name="generateDdl" value="true" />
            <property name="database" value="MYSQL" />
            <property name="databasePlatform" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
         </bean>
      </property>
    </bean>
   

    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
        <property name="entityManagerFactory" ref="entityManagerFactory" />
    </bean>

    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

@Autowired
public ClienteRepository cliente;

public void salvar(Cliente cliente) {
    clienteRepository.save(cliente);
}