From 0684f683a959934c33ae659c9e85d1899ab7eff2 Mon Sep 17 00:00:00 2001
From: FrancescoFioraEst <francesco.fiora@est.tech>
Date: Wed, 20 Aug 2025 17:09:27 +0100
Subject: [PATCH] Add registration improvement in ACM-r

Issue-ID: POLICY-5449
Change-Id: Ib8831bb3fd4168c4f1fbe7f2d0f6f4c90bf0d0fe
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>
---
 .../runtime/supervision/SupervisionParticipantHandler.java    | 11 +++++------
 .../supervision/SupervisionParticipantHandlerTest.java        |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandler.java b/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandler.java
index ba223d273..1cae2f862 100644
--- a/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandler.java
+++ b/runtime-acm/src/main/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandler.java
@@ -21,14 +21,12 @@
 package org.onap.policy.clamp.acm.runtime.supervision;
 
 import io.micrometer.core.annotation.Timed;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import java.util.function.UnaryOperator;
 import java.util.stream.Collectors;
 import lombok.AllArgsConstructor;
-import org.apache.commons.collections4.MapUtils;
 import org.onap.policy.clamp.acm.runtime.main.utils.EncryptionUtils;
 import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantDeregisterAckPublisher;
 import org.onap.policy.clamp.acm.runtime.supervision.comm.ParticipantRegisterAckPublisher;
@@ -136,15 +134,17 @@ public class SupervisionParticipantHandler {
             List<ParticipantSupportedElementType> participantSupportedElementType, boolean registration) {
         var replicaId = msgReplicaId != null ? msgReplicaId : participantId;
         var replicaOpt = participantProvider.findParticipantReplica(replicaId);
+        var toRestart = registration;
         if (replicaOpt.isPresent()) {
             var replica = replicaOpt.get();
             checkOnline(replica);
+            toRestart = false;
         } else {
             var participant = getParticipant(participantId, listToMap(participantSupportedElementType));
             participant.getReplicas().put(replicaId, createReplica(replicaId));
             participantProvider.saveParticipant(participant);
         }
-        if (registration) {
+        if (toRestart) {
             handleRestart(participantId, replicaId);
         }
     }
@@ -230,9 +230,8 @@ public class SupervisionParticipantHandler {
     }
 
     private Map<UUID, ParticipantSupportedElementType> listToMap(List<ParticipantSupportedElementType> elementList) {
-        Map<UUID, ParticipantSupportedElementType> map = new HashMap<>();
-        MapUtils.populateMap(map, elementList, ParticipantSupportedElementType::getId);
-        return map;
+        return elementList.stream()
+                .collect(Collectors.toMap(ParticipantSupportedElementType::getId, UnaryOperator.identity()));
     }
 
     /**
diff --git a/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandlerTest.java b/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandlerTest.java
index 67ac07743..aaa75cc7d 100644
--- a/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandlerTest.java
+++ b/runtime-acm/src/test/java/org/onap/policy/clamp/acm/runtime/supervision/SupervisionParticipantHandlerTest.java
@@ -171,7 +171,7 @@ class SupervisionParticipantHandlerTest {
                 .send(participantRegisterMessage.getMessageId(), participantId, replicaId);
         verify(acDefinitionProvider, times(0)).updateAcDefinition(any(AutomationCompositionDefinition.class),
                 eq(CommonTestData.TOSCA_COMP_NAME));
-        verify(participantSyncPublisher)
+        verify(participantSyncPublisher, times(0))
                 .sendRestartMsg(any(), any(), any(AutomationCompositionDefinition.class), any());
     }
 
-- 
2.16.6