Clone client, Model Two in Java

package guide;

import java.util.HashMap;
import java.util.Map;

import org.zeromq.SocketType;
import org.zeromq.ZMQ;
import org.zeromq.ZMQ.Socket;
import org.zeromq.ZContext;

/**
* Clone client Model Two
*
* @author Danish Shrestha <moc.liamg|60ahtserhsd#moc.liamg|60ahtserhsd>
*
*/

public class clonecli2
{
private static Map<String, kvsimple> kvMap = new HashMap<String, kvsimple>();

public void run()
{
try (ZContext ctx = new ZContext()) {
Socket snapshot = ctx.createSocket(SocketType.DEALER);
snapshot.connect("tcp://localhost:5556");

Socket subscriber = ctx.createSocket(SocketType.SUB);
subscriber.connect("tcp://localhost:5557");
subscriber.subscribe(ZMQ.SUBSCRIPTION_ALL);

// get state snapshot
snapshot.send("ICANHAZ?".getBytes(ZMQ.CHARSET), 0);
long sequence = 0;
while (true) {
kvsimple kvMsg = kvsimple.recv(snapshot);
if (kvMsg == null)
break;
sequence = kvMsg.getSequence();
if ("KTHXBAI".equalsIgnoreCase(kvMsg.getKey())) {
System.out.println("Received snapshot = " + kvMsg.getSequence());
break; // done
}

System.out.println("receiving " + kvMsg.getSequence());
clonecli2.kvMap.put(kvMsg.getKey(), kvMsg);
}

// now apply pending updates, discard out-of-getSequence messages
while (true) {
kvsimple kvMsg = kvsimple.recv(subscriber);

if (kvMsg == null)
break;

if (kvMsg.getSequence() > sequence) {
sequence = kvMsg.getSequence();
System.out.println("receiving " + sequence);
clonecli2.kvMap.put(kvMsg.getKey(), kvMsg);
}
}
}
}

public static void main(String[] args)
{
new clonecli2().run();
}
}