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>

2 files changed, 8 insertions, 6 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 =
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapperSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapperSpec.groovy
index 2251a33466..d3c4026962 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapperSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/impl/cmnotificationsubscription/ncmp/NcmpOutEventMapperSpec.groovy
@@ -53,9 +53,9 @@ class NcmpOutEventMapperSpec extends Specification {
         then: 'event is mapped correctly for the subscription'
             result.data.subscriptionId == 'test-subscription'
         and: 'the cm handle ids are part of correct list'
-            result.data.pendingTargets == ['ch-A']
-            result.data.acceptedTargets == ['ch-B']
-            result.data.rejectedTargets == ['ch-C']
+            result.data.pendingTargets == ['ch-A'] as Set
+            result.data.acceptedTargets == ['ch-B'] as Set
+            result.data.rejectedTargets == ['ch-C'] as Set
     }
 
     def 'Check for Cm Notification Rejected Subscription Outgoing event mapping'() {