<?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:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans.xsd
   http://www.springframework.org/schema/aop
   http://www.springframework.org/schema/aop/spring-aop.xsd">
    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:jdbc.properties</value>
            </list>
        </property>
    </bean>

    <bean id="wall-config" class="com.alibaba.druid.wall.WallConfig">
        <property name="multiStatementAllow" value="true"/>
    </bean>
    <bean id="wall-filter" class="com.alibaba.druid.wall.WallFilter">
        <property name="config" ref="wall-config"/>
    </bean>
    <bean id="stat-filter" class="com.alibaba.druid.filter.stat.StatFilter">
        <property name="slowSqlMillis" value="10000"/>
        <property name="logSlowSql" value="true"/>
        <property name="mergeSql" value="true"/>
    </bean>

    <!-- system -->
    <bean id="dataSourceSystem" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.system.url}"/>
        <property name="username" value="${jdbc.system.username}"/>
        <property name="password" value="${jdbc.system.password}"/>
        <property name="initialSize" value="${pool.initialPoolSize}"/>
        <property name="minIdle" value="${pool.minPoolSize}"/>
        <property name="maxActive" value="${pool.maxPoolSize}"/>
        <property name="validationQuery" value="select 1"/>
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>
        <property name="minEvictableIdleTimeMillis" value="300000"/>
        <property name="removeAbandoned" value="true"/>
        <!-- 超时时间；单位为秒 -->
        <property name="removeAbandonedTimeout" value="30"/>

        <property name="filters" value="log4j2"/>
        <property name="proxyFilters">
            <list>
                <ref bean="stat-filter"/>
                <ref bean="wall-filter"/>
            </list>
        </property>
    </bean>

    <!-- student -->
    <bean id="dataSourceStudent" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.student.url}"/>
        <property name="username" value="${jdbc.student.username}"/>
        <property name="password" value="${jdbc.student.password}"/>
        <property name="initialSize" value="${pool.initialPoolSize}"/>
        <property name="minIdle" value="${pool.minPoolSize}"/>
        <property name="maxActive" value="${pool.maxPoolSize}"/>
        <property name="validationQuery" value="select 1"/>
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>
        <property name="minEvictableIdleTimeMillis" value="300000"/>
        <property name="removeAbandoned" value="true"/>
        <!-- 超时时间；单位为秒 -->
        <property name="removeAbandonedTimeout" value="30"/>

        <property name="filters" value="log4j2"/>
        <property name="proxyFilters">
            <list>
                <ref bean="stat-filter"/>
                <ref bean="wall-filter"/>
            </list>
        </property>
    </bean>

    <!-- finance -->
    <bean id="dataSourceFinance" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.finance.url}"/>
        <property name="username" value="${jdbc.finance.username}"/>
        <property name="password" value="${jdbc.finance.password}"/>
        <property name="initialSize" value="${pool.initialPoolSize}"/>
        <property name="minIdle" value="${pool.minPoolSize}"/>
        <property name="maxActive" value="${pool.maxPoolSize}"/>
        <property name="validationQuery" value="select 1"/>
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>
        <property name="minEvictableIdleTimeMillis" value="300000"/>
        <property name="removeAbandoned" value="true"/>
        <!-- 超时时间；单位为秒 -->
        <property name="removeAbandonedTimeout" value="30"/>

        <property name="filters" value="log4j2"/>
        <property name="proxyFilters">
            <list>
                <ref bean="stat-filter"/>
                <ref bean="wall-filter"/>
            </list>
        </property>
    </bean>

    <!-- biz -->
    <bean id="dataSourceBiz" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.biz.url}"/>
        <property name="username" value="${jdbc.biz.username}"/>
        <property name="password" value="${jdbc.biz.password}"/>
        <property name="initialSize" value="${pool.initialPoolSize}"/>
        <property name="minIdle" value="${pool.minPoolSize}"/>
        <property name="maxActive" value="${pool.maxPoolSize}"/>
        <property name="validationQuery" value="select 1"/>
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>
        <property name="minEvictableIdleTimeMillis" value="300000"/>
        <property name="removeAbandoned" value="true"/>
        <!-- 超时时间；单位为秒 -->
        <property name="removeAbandonedTimeout" value="30"/>

        <property name="filters" value="log4j2"/>
        <property name="proxyFilters">
            <list>
                <ref bean="stat-filter"/>
                <ref bean="wall-filter"/>
            </list>
        </property>
    </bean>

    <bean id="dataSource" class="common.aspect.ChooseDataSource" primary="true">
        <!-- 默认数据源 -->
        <property name="defaultTargetDataSource" ref="dataSourceSystem"/>
        <!-- 下面的各个 key 需要配置到 ShardConfig 的 schemaKeyList，见下面的：<bean id="shardConfig" class="mis.api.common.shard.shard.ShardConfig" > -->
        <property name="targetDataSources">
            <map key-type="java.lang.String">
                <entry key="system" value-ref="dataSourceSystem"/>
                <entry key="student" value-ref="dataSourceStudent"/>
                <entry key="finance" value-ref="dataSourceFinance"/>
                <entry key="biz" value-ref="dataSourceBiz"/>
            </map>
        </property>
    </bean>

    <!-- 以下配置，部分表名只是用于配置示例，仅为了更好的展示如何配置。
        本项目没有用到的表名有：edu_class、biz_trade_order、biz_item、biz_item_sku
    -->
    <bean id="shardConfig" class="common.shard.ShardConfig" >
        <!-- 列表值为 dataSource.targetDataSources 的 keys  -->
        <property name="schemaKeyList">
            <list>
                <value>system</value>
                <value>student</value>
                <value>finance</value>
                <value>biz</value>
            </list>
        </property>
        <!-- 基于服务接口分库策略，
            把针对某个 schema 的接口配置在该数据源 key 对应的 list 下，没有就不配置
        -->
        <property name="shardSchemaInterfaceClassNameList">
            <map>
                <entry key="student">
                    <list>
                        <value>biz.service.facade.IEduStudentService</value>
                    </list>
                </entry>
            </map>
        </property>
        <!-- 分表策略
            直接将 ShardRequest.shardKeyTable（优先级高于后者） 或 ShardRequest.shardKeyTableNumber 作为分表后缀的表。
            需要配合 shardKeyTable 或 shardKeyTableNumber 使用，二选一，shardKeyTable 的优先级高于 shardKeyTableNumber，如 shardKeyTable=3，则下面的 edu_student 最终分表为 edu_student_3
            ShardRequest 参见：https://gitee.com/uncleAndyChen/mybatis-plugin-shard/blob/master/common/common-shard/src/main/java/common/shard/ShardRequest.java
         -->
        <property name="shardTableDirectlyList">
            <list>
                <value>edu_student</value>
                <value>edu_class</value>
            </list>
        </property>
        <!-- 分表策略
            通过两个数相除取余作为后缀的表，配合 ShardRequest.shardKeyTableNumber 使用
            ShardRequest 参见：https://gitee.com/uncleAndyChen/mybatis-plugin-shard/blob/master/common/common-shard/src/main/java/common/shard/ShardRequest.java
        -->
        <!-- key 将作为 shardKeyTableNumber 的除数（取余）， 余数作为分表后缀-->
        <!-- shardKeyTableNumber 通过 ShardRequest 传递，在请求 api 时传递 -->
        <property name="shardTableDivideList">
            <map>
                <entry key="10">
                    <list>
                        <value>biz_trade</value>
                        <value>biz_trade_order</value>
                    </list>
                </entry>
                <entry key="5">
                    <list>
                        <value>biz_item</value>
                        <value>biz_item_sku</value>
                    </list>
                </entry>
            </map>
        </property>
        <!-- 打印分表的 sql 语句，测试阶段或排查问题才需要设置为 true，否则请设置为 false 即不打印。-->
        <property name="printShardSqlInfo" value="true" />
        <!-- 不需要分表的 sql 语句列表，以下这句为 MyBatis 操作数据库新增记录时，查询新增的主键值的语句 -->
        <property name="notNeedShardSqlList">
            <list>
                <value>SELECT LAST_INSERT_ID()</value>
            </list>
        </property>
    </bean>

    <!-- 用于切面，实现拦截数据库操作，实现分库分表的类 -->
    <bean id="dataSourceAspect" class="common.aspect.DataSourceAspect">
        <property name="shardTableConfigView" ref="shardConfig" />
    </bean>

    <!-- 定义切面，用于拦截数据库操作，实现分库分表 -->
    <aop:config proxy-target-class="true">
        <aop:aspect id="dataSourceAspect" ref="dataSourceAspect" order="1">
            <aop:pointcut id="point" expression="(execution(* biz.service.impl.*.*(..)))"/>
            <aop:before pointcut-ref="point" method="before"/>
            <aop:after pointcut-ref="point" method="afterHandler"/>
        </aop:aspect>
    </aop:config>
</beans>