Spring Memcache整合

来源：互联网发布：ncbi数据库使用方法编辑：程序博客网时间：2024/05/19 20:19

https://github.com/gwhalin/Memcached-Java-Client/downloads

上面下载 jar包

spring 配置文件

XML/HTML code
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<?xml version="1.0" encoding="UTF-8"?>  
<beans  
    xmlns="http://www.springframework.org/schema/beans"  
    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-2.0.xsd">  
   
<!--memcached 客户端***start-->
<bean id="memcachedPool" class="com.danga.MemCached.SockIOPool" factory-method="getInstance" init-method="initialize" destroy-method="shutDown">
    <constructor-arg>
        <value>neeaMemcachedPool</value>
    </constructor-arg>
    <property name="servers">
        <list>
            <value>127.0.0.1:11211</value>
            <!--多服务器
             <value>
                192.168.54.207:12346
            </value>
            -->
        </list>
    </property>
    <!--多服务器负载均衡-->
    <!--<property name="weights">
        <value>5,5</value>
    </property>-->
    <property name="initConn">
        <value>20</value>
    </property>
    <property name="minConn">
        <value>10</value>
    </property>
    <property name="maxConn">
        <value>500</value>
    </property>
    <property name="maintSleep">
        <value>30</value>
    </property>
    <property name="nagle">
        <value>false</value>
    </property>
    <property name="maxIdle">
        <value>6000</value>
    </property>
    <property name="socketTO">
        <value>3000</value>
    </property>
</bean>
 
<!--memcached client-->
<bean id="memcachedClient" class="com.danga.MemCached.MemCachedClient">
    <constructor-arg>
           <value>neeaMemcachedPool</value>
    </constructor-arg>
    <property name="compressEnable">
        <value>true</value>
    </property>
    <property name="compressThreshold">
        <value>4096</value>
    </property>
</bean>
 <!--      <bean id="cache" class="com.jrcz.aura.controller.AppXxqansrecordController">  
           <property name="memcached" ref="memcachedClient"/>
    </bean> --> 
</beans>  

Java code
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 ApplicationContext ctx=new FileSystemXmlApplicationContext("src/spring/applicationContext-memcached.xml");  
        MemCachedClient mc = (MemCachedClient)ctx.getBean("memcachedClient");  
        List list = new ArrayList();
        list.add("123");
        list.add("bbb");
         
        mc.set("key", list);  
        List list1 = (List)mc.get("key");
        System.out.println(list1.get(0));

也可以单独在文件中调用：

package com.eportal.util;

import java.util.Date;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;

import com.danga.MemCached.MemCachedClient;
import com.danga.MemCached.SockIOPool;

/**
* 使用memcached的缓存实用类.
*
* @author 铁木箱子
*
*/
public class MemCached {
// 创建全局的唯一实例
protected static MemCachedClient mcc = new MemCachedClient();

protected static MemCached memCached = new MemCached();

// 设置与缓存服务器的连接池
static {
// 服务器列表和其权重
String[] servers = { "192.168.190.128:11211" };
Integer[] weights = { 3 };

// 获取socke连接池的实例对象
SockIOPool pool = SockIOPool.getInstance();

// 设置服务器信息
pool.setServers(servers);
pool.setWeights(weights);

// 设置初始连接数、最小和最大连接数以及最大处理时间
pool.setInitConn(5);
pool.setMinConn(5);
pool.setMaxConn(250);
pool.setMaxIdle(1000 * 60 * 60 * 6);

// 设置主线程的睡眠时间
pool.setMaintSleep(30);

// 设置TCP的参数，连接超时等
pool.setNagle(false);
pool.setSocketTO(3000);
pool.setSocketConnectTO(0);

// 初始化连接池
pool.initialize();

// 压缩设置，超过指定大小（单位为K）的数据都会被压缩
mcc.setCompressEnable(true);
mcc.setCompressThreshold(64 * 1024);
}

/**
* 保护型构造方法，不允许实例化！
*
*/
protected MemCached() {

}

/**
* 获取唯一实例.
*
* @return
*/
public static MemCached getInstance() {
return memCached;
}

/**
* 添加一个指定的值到缓存中.
*
* @param key
* @param value
* @return
*/
public boolean add(String key, Object value) {
return mcc.add(key, value);
}

public boolean add(String key, Object value, Date expiry) {
return mcc.add(key, value, expiry);
}

public boolean replace(String key, Object value) {
return mcc.replace(key, value);
}

public boolean replace(String key, Object value, Date expiry) {
return mcc.replace(key, value, expiry);
}

/**
* 根据指定的关键字获取对象.
*
* @param key
* @return
*/
public Object get(String key) {
return mcc.get(key);
}
public static void main(String[] args){

for(int i=0; i<100; i++){
//try{Thread.sleep(2000);}catch(Exception e){}
mcc.set("key"+i, "value"+i);
}
try{Thread.sleep(5000);}catch(Exception e){}
for(int i=0; i<100; i++){
System.out.println("get "+i+" value "+mcc.get("key"+i));
}
}

}