Fix formatting issues

Author: tanishq-chugh

ql/src/java/org/apache/hadoop/hive/ql/exec/tez/ZookeeperExternalSessionsRegistryClient.java

@@ -127,30 +127,30 @@ public void stateChanged(CuratorFramework client, ConnectionState newState) {
       this.claimsCache = CuratorCache.build(client, claimsPath);
       CuratorCacheListener claimsListener = CuratorCacheListener.builder().forCreates(
           childData -> {
-        if (childData == null) {
-          return;
-        }
-        String applicationId = getApplicationId(childData);
-        synchronized (lock) {
-          available.remove(applicationId);
-        }
-      }).forDeletes(
+          if (childData == null) {
+            return;
+          }
+          String applicationId = getApplicationId(childData);
+          synchronized (lock) {
+            available.remove(applicationId);
+          }
+        }).forDeletes(
           childData -> {
-        if (childData == null) {
-          return;
-        }
-        String applicationId = getApplicationId(childData);
-        synchronized (lock) {
-          if (!taken.contains(applicationId)) {
-            if (cache.get(sessionsPath + "/" + applicationId).isPresent()) {
-              available.add(applicationId);
-              lock.notifyAll();
-            } else {
-              LOG.info("Ignoring AM claim removal for {} because the base AM node no longer exists.", applicationId);
+            if (childData == null) {
+              return;
             }
-          }
-        }
-      }).build();
+            String applicationId = getApplicationId(childData);
+            synchronized (lock) {
+              if (!taken.contains(applicationId)) {
+                if (cache.get(sessionsPath + "/" + applicationId).isPresent()) {  
+                  available.add(applicationId);
+                  lock.notifyAll();
+                } else {
+                  LOG.info("Ignoring AM claim removal for {} because the base AM node no longer exists.", applicationId);
+                }
+              }
+            }
+          }).build();
       claimsCache.listenable().addListener(claimsListener);
       claimsCache.start();