memcached应用随笔



	 

	Memcached 是一个高性能的分布式内存对象缓存系统，用于动态Web应用以减轻数据库负载。相信大家对它并不陌生，下面把我最近开发的项目中用到的一个例子分享出来，给大家一起学习。在访问memcached时，通过synchronized实现同步。在需要操作memcached的地方可以很方便地通过类CacheFactory进行。废话少说，直接贴上代码。  1import org.apache.log4j.BasicConfigurator;

	 2import org.apache.log4j.Logger;

	 3

	 4

	 5import com.danga.MemCached.MemCachedClient;

	 6import com.danga.MemCached.SockIOPool;

	 7

	 8

	 9/** *//**

	10 * memcache工厂类

	11 *

	12 * @author fengyue

	13 * @date Feb 16, 2011

	14 */

	15public class CacheFactory {

	16private static final Logger logger = Logger.getLogger(CacheFactory.class);

	17private static MemCachedClient memcache = null;

	18

	19

	20public static MemCachedClient getCache() {

	21if (memcache == null) {

	22synchronized (CacheFactory.class) {

	23if (memcache == null)

	24getInstance();

	25}

	26}

	27

	28

	29return memcache;

	30}

	31

	32

	33private static void getInstance() {

	34try {

	35BasicConfigurator.configure();

	36String serverI = "10.185.23.17:13000";

	37String[] servers = { serverI };

	38SockIOPool pool = SockIOPool.getInstance();

	39pool.setServers(servers);

	40pool.setFailover(true);

	41pool.setInitConn(10);

	42pool.setMinConn(5);

	43pool.setMaxConn(250);

	44pool.setMaintSleep(30);

	45pool.setNagle(false);

	46pool.setSocketTO(3000);

	47

	48 www.zzzyk.com

	49pool.initialize();

	50memcache = new MemCachedClient();

	51memcache.add("test", "test1111111111111111111");

	52

	53

	54} catch (Exception e) {

	55logger.debug("failed to init memcache");

	56e.printStackTrace();

	57}

	58}

	59

	60

	61

	62

	63public static void main(String[] argvs) {

	64//往memcache存入缓存值

	65CacheFactory.getCache().set("myloginkey“, "1", new Date(3 * 60 * 60 * 1000));

	66//取出值

	67CacheFactory.getCache().get("myloginkey");

	68//删除

	69CacheFactory.getCache().delete("myloginkey");

	70return;

	71}

	72}

	 

	 

	作者 风悦

补充：Web开发 , 其他 ,