[GitHub] [ozone] hemantk-12 commented on a diff in pull request #5249: HDDS-9212. HeatMap UI doesn't load On Disabling & Enable Recon HeatMap using Feature Flag.

["hemantk-12 (via GitHub)" <gi...@apache.org>]

hemantk-12 commented on code in PR #5249:
URL: https://github.com/apache/ozone/pull/5249#discussion_r1318999390


##########
hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/AccessHeatMapEndpoint.java:
##########
@@ -88,4 +92,19 @@ public Response getReadAccessMetaData(
     }
     return Response.ok(entityReadAccessHeatMapResponse).build();
   }
+
+  private static void checkIfHeatMapFeatureIsEnabled() {
+    FeatureProvider.Feature heatMapFeature = null;
+    List<FeatureProvider.Feature> allDisabledFeatures =
+        FeatureProvider.getAllDisabledFeatures();
+    for (FeatureProvider.Feature feature : allDisabledFeatures) {
+      if (feature.getFeatureName().equals("HeatMap")) {

Review Comment:
   nit: to avoid NPE.
   Constant should be on left side e.g. `"HeatMap".equals(feature.getFeatureName())` or use `Objects.equals()`.



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