import java.util.Date;
import java.util.Map;
import com.danga.MemCached.MemCachedClient;
import com.danga.MemCached.SockIOPool;
public class MemcachedUtil {
// 创建全局的唯一实例
protected static MemCachedClient mcc = new MemCachedClient();
protected static MemcachedUtil memCached = new MemcachedUtil();
// 设置与缓存服务器的连接池
static {
// 服务器列表和其权重
String[] servers = {Constants.OTHERURL_PROPERTIES.getValue("MEMCACHED_SERVERS")};
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(10);
// 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 MemcachedUtil() {
}
/**
* 获取唯一实例.
*
* @return
*/
public static MemcachedUtil 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);
}
/**
* 根据Key替换内容
*
* @param key
* @param value
* @return
*/
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key 删除缓存
*
* @param key
* @return
*/
public boolean remove(String key) {
return mcc.delete(key);
}
/**
* 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 Map<String, Object> getList(String[] keys) {
return mcc.getMulti(keys);
}
public static void main(String[] args) {
MemcachedUtil cache = MemcachedUtil.getInstance();
// long startDate=System.currentTimeMillis();
// for (int i = 0; i < 100; i++) {
// cache.add("test"+i , "中国"+i);
// }
// long endDate=System.currentTimeMillis();
for (int i = 0; i < 100; i++) {
System.out.println("Cache Key为 test" + i + "的Value 是"
+ cache.get("test" + i));
}
System.out.print(" get value : " + cache.get("test"));
}
}