Java - Config XML persistencia Hibernate C3P0 - Spring mvc

<?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:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"

	xsi:schemaLocation="http://www.springframework.org/schema/beans

		http://www.springframework.org/schema/beans/spring-beans.xsd

		http://www.springframework.org/schema/context

        http://www.springframework.org/schema/context/spring-context-4.0.xsd

        http://www.springframework.org/schema/tx 

		http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

		http://www.springframework.org/schema/jee 

		http://www.springframework.org/schema/jee/spring-jee-4.0.xsd">

	<context:component-scan base-package="es.company.sistema.persistencia" />

	<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">

		<property name="dataSource" ref="dataSource" />

		<property name="packagesToScan" value="es.mipaquete.modelo"></property>

		<property name="hibernateProperties">

			<props>

				<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>

				<prop key="hibernate.show_sql">false</prop>

			</props>

		</property>

	</bean>

	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">

		<property name="connection.driver_class" value="com.mysql.jdbc.Driver" />

		<property name="connection.url" value="jdbc:mysql://localhost:3306/sistema" />

		<property name="connection.username" value="root" />

		<property name="connection.password" value="root" />

	  	<property name="hibernate.c3p0.min_size" value="5" />

	  	<property name="hibernate.c3p0.max_size" value="20" />

	  	<property name="hibernate.c3p0.timeout" value="1800"/>

	  	<property name="hibernate.c3p0.max_statements" value="50" />

	    <property name="hibernate.c3p0.testConnectionOnCheckout" value="true" />

	    <property name="hibernate.c3p0.privilegeSpawnedThreads" value="true" />

		<property name="hibernate.c3p0.contextClassLoaderSource" value="library" />

	</bean>

	<bean id="transactionManager"

		class="org.springframework.orm.hibernate4.HibernateTransactionManager">

		<property name="sessionFactory" ref="sessionFactory" />

	</bean>

	<bean id="persistenceExceptionTranslationPostProcessor"

		class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />

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

</beans>