Memcached(五)Memcached的并发实例

package com.sinosuperman.memcached; 

import java.io.IOException;
import java.net.InetSocketAddress; 

import net.spy.memcached.MemcachedClient; 

public class Test {
    public static void main(String[] args) throws IOException {
        MemcachedClient cache = new MemcachedClient(new InetSocketAddress("127.0.0.1", 11211)); 

        cache.set("x", 1800, "Love"); 

        String obj1 = (String) cache.get("x");
        String obj2 = (String) cache.get("x");
        obj2 = "Michael"; 

        cache.set("x", 1800, obj2);
        System.out.println("Non-CAS 2:\t" + obj2);
        System.out.println("Non-CAS 1:\t" + obj1);
    }
}

2016-02-25 16:08:59.902 INFO net.spy.memcached.MemcachedConnection: Added {QA sa=/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:08:59.905 INFO net.spy.memcached.MemcachedConnection: Connection state changed for sun.nio.ch.SelectionKeyImpl@55571e
Non-CAS 2: Michael
Non-CAS 1: Love

package com.sinosuperman.memcached;

import java.io.IOException;
import java.net.InetSocketAddress;

import net.spy.memcached.CASValue;
import net.spy.memcached.MemcachedClient;

public class TestCAS {

	@SuppressWarnings("unchecked")
	public static void main(String[] args) throws IOException {
		MemcachedClient cache = new MemcachedClient(new InetSocketAddress(
				"127.0.0.1", 11211));

		cache.set("y", 1800, "Love");

		CASValue casValue1 = cache.gets("y");
		CASValue casValue2 = cache.gets("y");
		cache.cas("y", casValue2.getCas(), casValue2.getValue());

		System.out.println("CAS 2:\t" + casValue2.getCas());
		System.out.println("Value 2:\t" + casValue2.getValue());

		System.out.println("CAS 1:\t" + casValue1.getCas());
		System.out.println("Value 1:\t" + casValue1.getValue());
	}
}

　

2016-02-25 16:09:41.137 INFO net.spy.memcached.MemcachedConnection: Added {QA sa=/127.0.0.1:11211, #Rops=0, #Wops=0, #iq=0, topRop=null, topWop=null, toWrite=0, interested=0} to connect queue
2016-02-25 16:09:41.140 INFO net.spy.memcached.MemcachedConnection: Connection state changed for sun.nio.ch.SelectionKeyImpl@fa9cf
CAS 2: 70
Value 2: Love
CAS 1: 70
Value 1: Love