Leader Election process update

Readme.md

 # Leader Election (Zookeeper)
 
+*topics*
+* Introduction to Cluster Coordination 
+* Theory of Leader Election
+* Zookeeper Server and Client
+* Zookeeper Client Threading Model & Zookeeper Java API
+* Leader Election Implementation
+
 
 *Useful links*
 * [Class ZooKeeper](https://zookeeper.apache.org/doc/r3.9.1/apidocs/zookeeper-server/org/apache/zookeeper/ZooKeeper.html)
+* [wait notify and notifyall in java](https://javarevisited.blogspot.com/2011/05/wait-notify-and-notifyall-in-java.html)
\ No newline at end of file

src/main/java/LeaderElection.java

 import org.apache.zookeeper.*;
+import org.apache.zookeeper.data.Stat;
 
 import java.io.IOException;
 import java.util.Collections;
@@ -65,16 +66,15 @@ public class LeaderElection implements Watcher {
             case None:
                 if (watchedEvent.getState() == Event.KeeperState.SyncConnected) {
                     System.out.println("Successfully connected to Zookeeper");
-                } else {
+                } else if (watchedEvent.getState() == Event.KeeperState.Disconnected) {
                     synchronized (zooKeeper) {
-                        System.out.println("Disconnected");
+                        System.out.println("Disconnected from Zookeeper");
                         zooKeeper.notifyAll();
                     }
-
+                } else if (watchedEvent.getState() == Event.KeeperState.Closed) {
+                    System.out.println("Closed Successfully");
                 }
-                break;
-//            case NodeCreated:
-//                if (watchedEvent.getState() == )
+
         }
     }
 }