remove not necessary while loop

provider/notification-gc/src/main/java/org/opengroup/osdu/notification/provider/gcp/repo/SubscriptionCacheRepo.java

@@ -112,18 +112,16 @@ public class SubscriptionCacheRepo {
   private HashSet<Subscription> getSubscriptions(String pattern) {
     ScanOptions options = ScanOptions.scanOptions()
         .match(pattern)
-        .count(10)
         .build();
-    boolean done = false;
+
     HashSet<String> keys = new HashSet<>();
-    while (!done) {
-      try (Cursor<String> scan = redisTemplate.scan(options)) {
-        while (scan.hasNext()) {
-          keys.add(scan.next());
-        }
+
+    try (Cursor<String> cursor = redisTemplate.scan(options)) {
+      while (cursor.hasNext()) {
+        keys.add(cursor.next());
       }
-      done = true;
     }
+
     return new HashSet<>(Optional.ofNullable(redisTemplate.opsForValue().multiGet(keys))
         .orElse(Collections.emptyList()));
   }

provider/notification-gc/src/main/java/org/opengroup/osdu/notification/provider/gcp/service/ExternalSubscriptionsManager.java

@@ -89,8 +89,7 @@ public class ExternalSubscriptionsManager {
   }
 
   private void reloadSubscriptionInfoCache(String dataPartitionId) {
-    List<Subscription> fragmentarySubInfos = subscriptionService.getAllSubscriptionInfos(
-        dataPartitionId);
+    List<Subscription> fragmentarySubInfos = subscriptionService.getAllSubscriptionInfos(dataPartitionId);
     for (Subscription freagmentedSubscription : fragmentarySubInfos) {
       Subscription subscription = subscriptionService.getSubscriptionsByNotificationId(dataPartitionId, freagmentedSubscription.getNotificationId());
       if(Objects.isNull(subscription)){

provider/notification-gc/src/main/java/org/opengroup/osdu/notification/provider/gcp/service/SubscriptionServiceGc.java

@@ -45,7 +45,7 @@ public class SubscriptionServiceGc {
         if (response.isSuccessCode()) {
             try {
                 ObjectMapper objectMapper = new ObjectMapper();
-                return objectMapper.readValue(response.getBody(), new TypeReference<List<Subscription>>(){});
+                return objectMapper.readValue(response.getBody(), new TypeReference<>() {});
             } catch (IOException  ex) {
                 throw new SubscriptionException("Exception in deserializing response", response, ex);
             }