/*
 * Like memcached.java, but here i'm jusing whalin's memcached java client : http://github.com/gwhalin/Memcached-Java-Client/
 * 
 *  I it doesn't like Serializable or Externalizable objects so either use simpler data or do the serializin steps
 *  yourself  
 */


import java.io.IOException;
import java.io.PrintWriter;

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

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

/**
 * Servlet implementation class Memcached2
 */
public class Memcached2 extends HttpServlet {
	private static final long serialVersionUID = 1L;
	
	protected MemCachedClient memc = new MemCachedClient(); 
	
	
	@Override
	public void init() throws ServletException {
		super.init();
		
		final String[] servers = {"localhost:11211"};

		SockIOPool pool = SockIOPool.getInstance();
		pool.setServers(servers);
		/*pool.setMinConn(1);
		pool.setMaxConn(5);
		
		pool.setNagle( false );
		pool.setSocketTO( 3000 );
		pool.setSocketConnectTO( 0 );*/ 
		pool.initialize();//Do NOT forget to init the pool !
		
	}



	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = response.getWriter();
		
		String key = "memcached2:myKey";
		
		
		String data = (String) memc.get(key) ;
		
		if (data == null) {
			data = "Hej med dig";

			memc.set(key, data );
			out.write("created new");
		} else {
			out.write("from memcached: " + data );
			
		}
	}

}