Spirng中Mongodb中权限验证

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

    <bean id="mongoClient" class="com.mongodb.MongoClient">
        <constructor-arg name="credentialsList">
            <list>
                <!-- Credentials -->
                <bean   class="com.mongodb.MongoCredential">
                    <constructor-arg name="mechanism" value = "#{T(com.mongodb.AuthenticationMechanism).SCRAM_SHA_1}" />
                    <constructor-arg type="java.lang.String" name="userName" value="xxx" />
                    <constructor-arg type="java.lang.String" name="source" value="admin" />
                    <constructor-arg type="char[]" name="password" value="xxx" />
                </bean>
            </list>
        </constructor-arg>
        <constructor-arg name="seeds">
            <list>
                <bean   class="com.mongodb.ServerAddress">
                    <constructor-arg type="java.lang.String" name="host" value="xxx" />
                    <constructor-arg type="int" name="port" value="27017" />
                </bean>
            </list>
        </constructor-arg>
    </bean>
    <!-- 优先副本查询 -->
    <bean id="secondaryPreferredReadPreference" class="com.mongodb.TaggableReadPreference.SecondaryPreferredReadPreference"></bean>
    <!-- MongoDbFactory -->
    <bean id="simpleMongoDbFactoryID" class="org.springframework.data.mongodb.core.SimpleMongoDbFactory">
        <constructor-arg ref="mongoClient" />
        <constructor-arg name="databaseName" value="testdb" />
    </bean>
    <!-- MongoTemplate -->
    <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg ref="simpleMongoDbFactoryID" />

        <property name="readPreference" ref="secondaryPreferredReadPreference"></property>
    </bean>


    <mongo:repositories base-package="com.mongo" />



</beans>