master-slave-db-selector
使用方法,配置模板
<?xml version="1.0" encoding="UTF-8"?>
<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:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="
         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/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
    <!-- 配置写数据源 -->
    <bean id="masterDataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
        <property name="driverClassName" value="${bridgeli.jdbc.driver}" />
        <property name="url" value="${bridgeli.jdbc.url}" />
        <property name="username" value="${bridgeli.jdbc.username}" />
        <property name="password" value="${bridgeli.jdbc.password}" />
        <property name="validationQuery" value="${bridgeli.jdbc.validationQuery}" />
        <property name="initialSize" value="1" />
        <property name="maxActive" value="20" />
        <property name="minIdle" value="0" />
        <property name="maxWait" value="60000" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="testWhileIdle" value="true" />
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="25200000" />
        <property name="removeAbandoned" value="true" />
        <property name="removeAbandonedTimeout" value="1800" />
        <property name="logAbandoned" value="true" />
        <property name="filters" value="stat" />
    </bean>
    <!-- 配置读数据源 -->
    <bean id="parentSlaveDataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
        <property name="driverClassName" value="${bridgeli.jdbc.driver}" />
        <property name="validationQuery" value="${bridgeli.jdbc.validationQuery}" />
        <property name="initialSize" value="1" />
        <property name="maxActive" value="20" />
        <property name="minIdle" value="0" />
        <property name="maxWait" value="60000" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="testWhileIdle" value="true" />
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="25200000" />
        <property name="removeAbandoned" value="true" />
        <property name="removeAbandonedTimeout" value="1800" />
        <property name="logAbandoned" value="true" />
        <property name="filters" value="stat" />
    </bean>
    <bean id="slaveDataSource1" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close" parent="parentSlaveDataSource">
        <property name="url" value="${bridgeli_slave1.jdbc.url}" />
        <property name="username" value="${bridgeli_slave1.jdbc.username}" />
        <property name="password" value="${bridgeli_slave1.jdbc.password}" />
    </bean>
    <bean id="dataSource" class="cn.bridgeli.masterslavedbselector.MasterSlaveDataSource">
        <property name="targetDataSources">
            <map>
                <entry key-ref="masterDataSource" value-ref="masterDataSource"/>
                <entry key-ref="slaveDataSource1" value-ref="slaveDataSource1"/>
            </map>
        </property>
        <property name="defaultTargetDataSource" ref="masterDataSource"/>
        <property name="masterSlaveSelector" ref="dataSelector"/>
    </bean>
    <bean id="dataSelector" class="cn.bridgeli.masterslavedbselector.MasterSlaveSelectorByPoll">
        <property name="masters">
            <list>
                <ref bean="masterDataSource"/>
            </list>
        </property>
        <property name="slaves">
            <list>
                <ref bean="slaveDataSource1"/>
            </list>
        </property>
        <property name="defaultDataSource" ref="masterDataSource"/>
    </bean>
    <aop:aspectj-autoproxy/>
    <!-- mybaits 数据工厂 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!-- 自动扫描所有注解的路径 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.bridgeli.mapper" />
        <!-- <property name="sqlSessionFactory" ref="sqlSessionFactory" /> -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>
    <!-- 数据库切面 -->
    <bean id="masterSlaveAspect" class="cn.bridgeli.masterslavedbselector.MasterSlaveAspect">
        <property name="prefixMasters">
            <list>
                <value>save</value>
                <value>update</value>
                <value>delete</value>
            </list>
        </property>
    </bean>
    <aop:config>
        <aop:aspect id="c" ref="masterSlaveAspect">
            <aop:pointcut id="tx" expression="execution(* cn.bridgeli.service..*.*(..))"/>
            <aop:before pointcut-ref="tx" method="before"/>
        </aop:aspect>
    </aop:config>
    <context:annotation-config />
    <context:component-scan base-package="cn.bridgeli" />
</beans> 
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