main/java/Memcached.java

/*
 * Example of using memcached from java - in this case using spymemcached client library from http://code.google.com/p/spymemcached/ 
 */

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

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.spy.memcached.MemcachedClient;

/**
 * Servlet implementation class Memcached
 */
public class Memcached extends HttpServlet {
        
        // data stored in memcached must be serializable 
        class DataBean implements Serializable {
                public DataBean(int i, String n) {id = i; name = n;}            
                public int id;
                public String name;
        }
        
        private static final long serialVersionUID = 1L;
       

    public Memcached() {
        super();
    }

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                MemcachedClient c=new MemcachedClient(new InetSocketAddress("localhost", 11211));
                PrintWriter out = response.getWriter();
                
                String key = "memcached:myKey";
                DataBean data = (DataBean) c.get(key);
                
                if (data == null) {
                        data = new DataBean(10,"Test");
                        c.set(key, 30, data);
                        out.write("created new");
                } else {
                        out.write("from memcached: id=" + data.id + "  name=" + data.name);
                }
        }

}
1	/*
2	* Example of using memcached from java - in this case using spymemcached client library from http://code.google.com/p/spymemcached/
3	*/
4
5	import java.io.IOException;
6	import java.io.PrintWriter;
7	import java.io.Serializable;
8	import java.net.InetSocketAddress;
9
10	import javax.servlet.ServletException;
11	import javax.servlet.http.HttpServlet;
12	import javax.servlet.http.HttpServletRequest;
13	import javax.servlet.http.HttpServletResponse;
14
15	import net.spy.memcached.MemcachedClient;
16
17	/**
18	* Servlet implementation class Memcached
19	*/
20	public class Memcached extends HttpServlet {
21
22	// data stored in memcached must be serializable
23	class DataBean implements Serializable {
24	public DataBean(int i, String n) {id = i; name = n;}
25	public int id;
26	public String name;
27	}
28
29	private static final long serialVersionUID = 1L;
30
31
32	public Memcached() {
33	super();
34	}
35
36	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
37	MemcachedClient c=new MemcachedClient(new InetSocketAddress("localhost", 11211));
38	PrintWriter out = response.getWriter();
39
40	String key = "memcached:myKey";
41	DataBean data = (DataBean) c.get(key);
42
43	if (data == null) {
44	data = new DataBean(10,"Test");
45	c.set(key, 30, data);
46	out.write("created new");
47	} else {
48	out.write("from memcached: id=" + data.id + " name=" + data.name);
49	}
50	}
51
52	}