Autowiring Spring Method in XML

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"
    "http://www.springframework.org/dtd/spring-beans-2.0.dtd">

<beans>
    <!-- Beans to retrieve Persistence Manager -->
<!-- Static method -->
    <bean id="persistenceManagerFactory" class="javax.jdo.JDOHelper"
        factory-method="getPersistenceManagerFactory">
        <constructor-arg value="transactions-optional" />
    </bean>


<!-- Non static method -->
    <bean id="persistenceManager" factory-bean="persistenceManagerFactory"
        factory-method="getPersistenceManager" destroy-method="close">
    </bean>
</beans>