Clone client, Model Two in Java

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;

import org.zeromq.ZMQ;
import org.zeromq.ZMQ.Context;
import org.zeromq.ZMQ.Socket;

/**
* 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() {
Context ctx = ZMQ.context(1);
Socket snapshot = ctx.socket(ZMQ.DEALER);
snapshot.connect("tcp://localhost:5556");

Socket subscriber = ctx.socket(ZMQ.SUB);
subscriber.connect("tcp://localhost:5557");
subscriber.subscribe("".getBytes());

// get state snapshot
snapshot.send("ICANHAZ?".getBytes(), 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-sequence 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();
}
}