ssm+redis快取配置
阿新 • • 發佈：2019-02-05
1、pom.xml引入一下jar
<!-- spring-redis實現 --> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-redis</artifactId> <version>1.6.2.RELEASE</version> </dependency> <!-- redis客戶端jar --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.8.0</version> </dependency> <!-- Ehcache實現,用於參考 --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-ehcache</artifactId> <version>1.0.0</version> </dependency>
2、application-context.xml配置
<?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:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-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/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <!-- 資料來源定義 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:jdbc.properties</value> <value>classpath:redis.properties</value> </list> </property> </bean> <!-- redis資料來源 --> <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig"> <property name="maxIdle" value="${redis.maxIdle}" /> <property name="maxTotal" value="${redis.maxActive}" /> <property name="maxWaitMillis" value="${redis.maxWait}" /> <property name="testOnBorrow" value="${redis.testOnBorrow}" /> </bean> <!-- Spring-redis連線池管理工廠 --> <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}" p:pool-config-ref="poolConfig" /> <!-- 使用中間類解決RedisCache.jedisConnectionFactory的靜態注入，從而使MyBatis實現第三方快取 --> <bean id="redisCacheTransfer" class="com.loan.security.cache.RedisCacheTransfer"> <property name="jedisConnectionFactory" ref="jedisConnectionFactory" /> </bean> <!-- 資料來源定義 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${connection.driverClassName}" /> <property name="url" value="${connection.url}" /> <property name="username" value="${connection.username}" /> <property name="password" value="${connection.password}" /> <property name="maxActive" value="${connection.maxActive}" /> <property name="maxIdle" value="${connection.maxIdle}" /> <property name="minIdle" value="${connection.minIdle}" /> <property name="removeAbandoned" value="${connection.removeAbandoned}" /> <property name="removeAbandonedTimeout" value="${connection.removeAbandonedTimeout}" /> <property name="logAbandoned" value="${connection.logAbandoned}" /> <property name="defaultAutoCommit" value="${connection.defaultAutoCommit}" /> <property name="defaultReadOnly" value="${connection.defaultReadOnly}" /> <property name="validationQuery" value="${connection.validationQuery}" /> <property name="testOnBorrow" value="${connection.testOnBorrow}" /> </bean> <!-- 建立sqlSessionFactory，同時指定資料來源 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> <property name="configLocation" value="classpath:mybatis-config.xml" /> <!-- 自動掃描mapper目錄, 省掉mybatis-config.xml裡的手工配置 --> <property name="mapperLocations"> <list> <!-- <value>classpath:com/loan/*/dao/xml/*.xml</value> --> <value>classpath:com/loan/fore/dao/xml/*.xml</value> <value>classpath:com/loan/back/dao/xml/*.xml</value> <value>classpath:com/loan/security/dao/xml/*.xml</value> </list> </property> </bean> <!-- 通過掃描的模式，掃描目錄在com/loan/mapper目錄下 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.loan.*.dao.*" /> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" /> </bean> <bean class="com.loan.util.SpringUtils" /> <!-- (事務管理) --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 使用annotation定義資料庫事務，這樣可以在類或方法中直接使用@Transactional註解來宣告事務 --> <tx:annotation-driven transaction-manager="transactionManager" /> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="save*" propagation="REQUIRED" /> <tx:method name="update*" propagation="REQUIRED" /> <tx:method name="delete*" propagation="REQUIRED" /> <tx:method name="load*" propagation="SUPPORTS" read-only="true" /> <tx:method name="find*" propagation="SUPPORTS" read-only="true" /> <tx:method name="search*" propagation="SUPPORTS" read-only="true" /> <tx:method name="approve" propagation="REQUIRED" /> <tx:method name="undo" propagation="REQUIRED" /> <tx:method name="*" propagation="SUPPORTS" read-only="true" /> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut id="serviceMethod" expression="execution(* com.loan.*.service..*.*(..))" /> <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" /> </aop:config> <!-- 自動搜尋註解路徑 --> <context:component-scan base-package="com.loan"></context:component-scan> <!-- 註冊定時器 --> <bean id="timer" class="org.springframework.scheduling.quartz.SchedulerFactoryBean" lazy-init="false" autowire="no"> <property name="triggers"> <list> <ref bean="timerTaskTrigger" /> </list> </property> </bean> <!-- 指定何時觸發定時任務 --> <bean id="timerTaskTrigger" class="org.springframework.scheduling.quartz.CronTriggerBean"> <property name="jobDetail"> <ref bean="timerTaskJobDetail" /> </property> <property name="cronExpression"> <!-- 每天凌晨3點執行 --> <value>0 0 3 * * ?</value> <!-- <value>20 * * * * ?</value> --> </property> </bean> <!-- 指定定時任務細節 呼叫哪個類 哪個方法 --> <bean id="timerTaskJobDetail" class="org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean"> <property name="targetObject"> <ref bean="timerTaskInstance" /> </property> <property name="targetMethod"> <value>doTask</value> </property> <property name="concurrent" value="false" /> </bean> <!-- 例項化定時任務類 --> <bean id="timerTaskInstance" class="com.loan.security.plug.TimerTask"></bean> </beans>
3、redis.properties
# Redis settings
redis.host=192.168.100.161
redis.port=6379
redis.pass=root
redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true 4、RedisCacheTransfer.java
5、RedisCache.javapackage com.loan.security.cache; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.redis.connection.jedis.JedisConnectionFactory; /** * * @描述: 靜態注入中間類 * @版權: Copyright (c) 2016 * @作者: xiad * @版本: 1.0 * @建立日期: 2016年3月2日 * @建立時間: 下午8:02:57 */ public class RedisCacheTransfer { @Autowired public void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) { RedisCache.setJedisConnectionFactory(jedisConnectionFactory); } }
package com.loan.security.cache;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.ibatis.cache.Cache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.redis.connection.jedis.JedisConnection;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import redis.clients.jedis.exceptions.JedisConnectionException;
/**
*
* @描述: 使用第三方記憶體資料庫Redis作為二級快取
* @版權: Copyright (c) 2016
* @作者: xiad
* @版本: 1.0
* @建立日期: 2016年3月2日
* @建立時間: 下午8:02:57
*/
public class RedisCache implements Cache
{
private static final Logger logger = LoggerFactory.getLogger(RedisCache.class);
private static JedisConnectionFactory jedisConnectionFactory;
private final String id;
/**
* The {@code ReadWriteLock}.
*/
private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
public RedisCache(final String id) {
if (id == null) {
throw new IllegalArgumentException("Cache instances require an ID");
}
logger.debug("MybatisRedisCache:id=" + id);
this.id = id;
}
@Override
public void clear()
{
JedisConnection connection = null;
try
{
connection = jedisConnectionFactory.getConnection();
connection.flushDb();
connection.flushAll();
}
catch (JedisConnectionException e)
{
e.printStackTrace();
}
finally
{
if (connection != null) {
connection.close();
}
}
}
@Override
public String getId()
{
return this.id;
}
@Override
public Object getObject(Object key)
{
Object result = null;
JedisConnection connection = null;
try
{
connection = jedisConnectionFactory.getConnection();
RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();
result = serializer.deserialize(connection.get(serializer.serialize(key)));
}
catch (JedisConnectionException e)
{
e.printStackTrace();
}
finally
{
if (connection != null) {
connection.close();
}
}
return result;
}
@Override
public ReadWriteLock getReadWriteLock()
{
return this.readWriteLock;
}
@Override
public int getSize()
{
int result = 0;
JedisConnection connection = null;
try
{
connection = jedisConnectionFactory.getConnection();
result = Integer.valueOf(connection.dbSize().toString());
}
catch (JedisConnectionException e)
{
e.printStackTrace();
}
finally
{
if (connection != null) {
connection.close();
}
}
return result;
}
@Override
public void putObject(Object key, Object value)
{
JedisConnection connection = null;
try
{
connection = jedisConnectionFactory.getConnection();
RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();
connection.set(serializer.serialize(key), serializer.serialize(value));
}
catch (JedisConnectionException e)
{
e.printStackTrace();
}
finally
{
if (connection != null) {
connection.close();
}
}
}
@Override
public Object removeObject(Object key)
{
JedisConnection connection = null;
Object result = null;
try
{
connection = jedisConnectionFactory.getConnection();
RedisSerializer<Object> serializer = new JdkSerializationRedisSerializer();
result =connection.expire(serializer.serialize(key), 0);
}
catch (JedisConnectionException e)
{
e.printStackTrace();
}
finally
{
if (connection != null) {
connection.close();
}
}
return result;
}
public static void setJedisConnectionFactory(JedisConnectionFactory jedisConnectionFactory) {
RedisCache.jedisConnectionFactory = jedisConnectionFactory;
}
}
6、mapper.xml中引入Redis快取
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.loan.security.dao.mapper.DictionaryCatalogMapper">
<cache type="com.loan.security.cache.RedisCache"/>
</mapper>