Handle duplicate targets NcmpOut event

- Accpted , Rejected and Pending targets in the NcmpOut response to have
  unique values hence changing the datastructre to Set.

Issue-ID: CPS-2338
Change-Id: I24a109fad4c854eff1b052df38947cc121445bb9
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

1 files changed, 5 insertions, 3 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapper.java
index ffd4b014fb..afff9d1298 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapper.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapper.java
@@ -21,6 +21,8 @@
 package org.onap.cps.ncmp.impl.cmnotificationsubscription.ncmp;
 
 import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import lombok.RequiredArgsConstructor;
@@ -76,9 +78,9 @@ public class NcmpOutEventMapper {
             final Map<String, DmiCmSubscriptionDetails> dmiSubscriptionsPerDmi,
             final Data cmSubscriptionData) {
 
-        final List<String> acceptedCmHandleIds = new ArrayList<>();
-        final List<String> pendingCmHandleIds = new ArrayList<>();
-        final List<String> rejectedCmHandleIds = new ArrayList<>();
+        final Collection<String> acceptedCmHandleIds = new HashSet<>();
+        final Collection<String> pendingCmHandleIds = new HashSet<>();
+        final Collection<String> rejectedCmHandleIds = new HashSet<>();
 
         dmiSubscriptionsPerDmi.forEach((dmiPluginName, dmiSubscriptionDetails) -> {
             final CmSubscriptionStatus cmSubscriptionStatus =