Objectify Spring Transaction Configuration

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
        xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:batch="http://www.springframework.org/schema/batch"
        xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
                http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
                http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd
                http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
                http://www.springframework.org/schema/batch http://www.springframework.org/schema/batch/spring-batch-2.0.xsd
                ">
        <!--ObjectifyのEntityを読み込む -->
        <bean id="objectifyManager" class="ex.objectify.spring.ObjectifyManager">
                <property name="basePackage" value="gso.model" />
        </bean>

        <!-- Objectifyインスタンスを管理する -->
        <bean id="objectifyFactory" class="ex.objectify.spring.ObjectifyFactoryBean">
                <property name="manager" ref="objectifyManager" />
        </bean>
        <!-- ObjectifyとSpringの宣言的Transaction機能を連携させる -->
        <bean id="transactionManager" class="ex.objectify.spring.ObjectifyTransactionManager">
                <property name="manager" ref="objectifyManager" />
        </bean>
        <!-- アノテーションによるトランザクションを有効にする -->
        <tx:annotation-driven />

</beans>