sonar fix for clamp

- bug: added InterruptedException for sleep
- vulns: two false positve
- removed some unused import
- changed to use var for local variable

Issue-ID: POLICY-3452
Change-Id: I8b4be1378a2aad8f68562b63f70853832673ce97
Signed-off-by: Taka Cho <takamune.cho@att.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java
index 60515048e..0e19ea33e 100644
--- a/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java
+++ b/participant/participant-impl/participant-impl-policy/src/main/java/org/onap/policy/clamp/controlloop/participant/policy/main/handler/ControlLoopElementHandler.java
@@ -2,6 +2,8 @@
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation.
  * ================================================================================
+ * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -98,7 +100,7 @@ public class ControlLoopElementHandler implements ControlLoopElementListener {
         }
     }
 
-    private void deletePolicyData(UUID controlLoopElementId, ControlLoopOrderedState newState) throws PfModelException {
+    private void deletePolicyData(UUID controlLoopElementId, ControlLoopOrderedState newState) {
         // Delete all policies of this controlLoop from policy framework
         for (Entry<String, String> policy : policyMap.entrySet()) {
             apiHttpClient.deletePolicy(policy.getKey(), policy.getValue());
@@ -155,9 +157,9 @@ public class ControlLoopElementHandler implements ControlLoopElementListener {
      */
     @Override
     public void handleStatistics(UUID controlLoopElementId) throws PfModelException {
-        ControlLoopElement clElement = intermediaryApi.getControlLoopElement(controlLoopElementId);
+        var clElement = intermediaryApi.getControlLoopElement(controlLoopElementId);
         if (clElement != null) {
-            ClElementStatistics clElementStatistics = new ClElementStatistics();
+            var clElementStatistics = new ClElementStatistics();
             clElementStatistics.setControlLoopState(clElement.getState());
             clElementStatistics.setTimeStamp(Instant.now());
             intermediaryApi.updateControlLoopElementStatistics(controlLoopElementId, clElementStatistics);