Add support transaction in ParticipantProvider

Issue-ID: POLICY-3800
Change-Id: I938c2731a30013b5f8e11a23a86d117300c95bff
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

10 files changed, 71 insertions, 72 deletions

diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProvider.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProvider.java
index d055ba266..eac1ac305 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProvider.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProvider.java
@@ -104,7 +104,7 @@ public class CommissioningProvider {
 
         synchronized (lockit) {
             serviceTemplateProvider.createServiceTemplate(serviceTemplate);
-            List<Participant> participantList = participantProvider.getParticipants(null, null);
+            List<Participant> participantList = participantProvider.getParticipants();
             if (!participantList.isEmpty()) {
                 supervisionHandler.handleSendCommissionMessage(serviceTemplate.getName(), serviceTemplate.getVersion());
             }
@@ -137,7 +137,7 @@ public class CommissioningProvider {
         }
 
         synchronized (lockit) {
-            List<Participant> participantList = participantProvider.getParticipants(null, null);
+            List<Participant> participantList = participantProvider.getParticipants();
             if (!participantList.isEmpty()) {
                 supervisionHandler.handleSendDeCommissionMessage();
             }
@@ -145,8 +145,7 @@ public class CommissioningProvider {
         }
 
         var response = new CommissioningResponse();
-        response.setAffectedControlLoopDefinitions(
-                Collections.singletonList(new ToscaConceptIdentifier(name, version)));
+        response.setAffectedControlLoopDefinitions(List.of(new ToscaConceptIdentifier(name, version)));
 
         return response;
     }
@@ -262,13 +261,11 @@ public class CommissioningProvider {
      * @return the tosca service template
      * @throws PfModelException on errors getting tosca service template
      */
-    public String getToscaServiceTemplateReduced(String name, String version)
-        throws PfModelException {
+    public String getToscaServiceTemplateReduced(String name, String version) throws PfModelException {
 
         var serviceTemplateList = serviceTemplateProvider.getServiceTemplateList(name, version);
 
-        List<ToscaServiceTemplate> filteredServiceTemplateList = filterToscaNodeTemplateInstance(
-            serviceTemplateList);
+        List<ToscaServiceTemplate> filteredServiceTemplateList = filterToscaNodeTemplateInstance(serviceTemplateList);
 
         if (filteredServiceTemplateList.isEmpty()) {
             throw new PfModelException(Status.BAD_REQUEST, "Invalid Service Template");
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProvider.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProvider.java
index 98ceacc3a..40d9b249d 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProvider.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProvider.java
@@ -350,7 +350,7 @@ public class ControlLoopInstantiationProvider {
         }
 
         synchronized (lockit) {
-            var participants = participantProvider.getParticipants(null, null);
+            var participants = participantProvider.getParticipants();
             if (participants.isEmpty()) {
                 throw new ControlLoopException(Status.BAD_REQUEST, "No participants registered");
             }
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
index f011d9392..7f0b85588 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandler.java
@@ -174,16 +174,15 @@ public class SupervisionHandler {
     public void handleParticipantMessage(ParticipantDeregister participantDeregisterMessage) {
         LOGGER.debug("Participant Deregister received {}", participantDeregisterMessage);
         try {
-            var participantList =
-                    participantProvider.getParticipants(participantDeregisterMessage.getParticipantId().getName(),
+            var participantOpt =
+                    participantProvider.findParticipant(participantDeregisterMessage.getParticipantId().getName(),
                             participantDeregisterMessage.getParticipantId().getVersion());
 
-            if (participantList != null) {
-                for (Participant participant : participantList) {
-                    participant.setParticipantState(ParticipantState.TERMINATED);
-                    participant.setHealthStatus(ParticipantHealthStatus.OFF_LINE);
-                }
-                participantProvider.updateParticipants(participantList);
+            if (participantOpt.isPresent()) {
+                var participant = participantOpt.get();
+                participant.setParticipantState(ParticipantState.TERMINATED);
+                participant.setHealthStatus(ParticipantHealthStatus.OFF_LINE);
+                participantProvider.saveParticipant(participant);
             }
         } catch (PfModelException pfme) {
             LOGGER.warn("Model exception occured with participant id {}",
@@ -202,15 +201,14 @@ public class SupervisionHandler {
     public void handleParticipantMessage(ParticipantUpdateAck participantUpdateAckMessage) {
         LOGGER.debug("Participant Update Ack received {}", participantUpdateAckMessage);
         try {
-            var participantList =
-                    participantProvider.getParticipants(participantUpdateAckMessage.getParticipantId().getName(),
+            var participantOpt =
+                    participantProvider.findParticipant(participantUpdateAckMessage.getParticipantId().getName(),
                             participantUpdateAckMessage.getParticipantId().getVersion());
 
-            if (participantList != null) {
-                for (Participant participant : participantList) {
-                    participant.setParticipantState(participantUpdateAckMessage.getState());
-                }
-                participantProvider.updateParticipants(participantList);
+            if (participantOpt.isPresent()) {
+                var participant = participantOpt.get();
+                participant.setParticipantState(participantUpdateAckMessage.getState());
+                participantProvider.saveParticipant(participant);
             } else {
                 LOGGER.warn("Participant not found in database {}", participantUpdateAckMessage.getParticipantId());
             }
@@ -439,10 +437,10 @@ public class SupervisionHandler {
         if (participantMessage.getParticipantId() == null) {
             exceptionOccured(Response.Status.NOT_FOUND, "Participant ID on PARTICIPANT_STATUS message is null");
         }
-        List<Participant> participantList = participantProvider.getParticipants(
-                participantMessage.getParticipantId().getName(), participantMessage.getParticipantId().getVersion());
+        var participantOpt = participantProvider.findParticipant(participantMessage.getParticipantId().getName(),
+                participantMessage.getParticipantId().getVersion());
 
-        if (CollectionUtils.isEmpty(participantList)) {
+        if (participantOpt.isEmpty()) {
             var participant = new Participant();
             participant.setName(participantMessage.getParticipantId().getName());
             participant.setVersion(participantMessage.getParticipantId().getVersion());
@@ -451,14 +449,13 @@ public class SupervisionHandler {
             participant.setParticipantState(participantState);
             participant.setHealthStatus(healthStatus);
 
-            participantList.add(participant);
-            participantProvider.createParticipants(participantList);
+            participantProvider.saveParticipant(participant);
         } else {
-            for (Participant participant : participantList) {
-                participant.setParticipantState(participantState);
-                participant.setHealthStatus(healthStatus);
-            }
-            participantProvider.updateParticipants(participantList);
+            var participant = participantOpt.get();
+            participant.setParticipantState(participantState);
+            participant.setHealthStatus(healthStatus);
+
+            participantProvider.saveParticipant(participant);
         }
     }
 
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
index 900a117bd..5ebacdac7 100644
--- a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScanner.java
@@ -23,7 +23,6 @@
 package org.onap.policy.clamp.controlloop.runtime.supervision;
 
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import org.apache.commons.lang3.tuple.Pair;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop;
@@ -121,7 +120,7 @@ public class SupervisionScanner {
 
         if (counterCheck) {
             try {
-                for (Participant participant : participantProvider.getParticipants(null, null)) {
+                for (var participant : participantProvider.getParticipants()) {
                     scanParticipantStatus(participant);
                 }
             } catch (PfModelException pfme) {
@@ -188,7 +187,7 @@ public class SupervisionScanner {
                 participantStatusCounter.setFault(id);
                 participant.setHealthStatus(ParticipantHealthStatus.OFF_LINE);
             }
-            participantProvider.updateParticipants(List.of(participant));
+            participantProvider.saveParticipant(participant);
         }
     }
 
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProviderTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProviderTest.java
index 3fd74f22e..22fb51cb5 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProviderTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/commissioning/CommissioningProviderTest.java
@@ -24,6 +24,7 @@ package org.onap.policy.clamp.controlloop.runtime.commissioning;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.Mockito.mock;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategies;
@@ -63,7 +64,6 @@ class CommissioningProviderTest {
     private ControlLoopProvider clProvider = null;
     private static final Coder CODER = new StandardCoder();
     private final ObjectMapper mapper = new ObjectMapper();
-    private ParticipantProvider participantProvider;
 
     @AfterEach
     void close() throws Exception {
@@ -73,9 +73,6 @@ class CommissioningProviderTest {
         if (clProvider != null) {
             clProvider.close();
         }
-        if (participantProvider != null) {
-            participantProvider.close();
-        }
     }
 
     /**
@@ -89,7 +86,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -127,7 +124,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -157,7 +154,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -186,7 +183,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -215,7 +212,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -261,7 +258,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
@@ -290,7 +287,7 @@ class CommissioningProviderTest {
         modelsProvider =
                 CommonTestData.getPolicyModelsProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
 
         CommissioningProvider provider = new CommissioningProvider(new ServiceTemplateProvider(modelsProvider),
                 clProvider, null, participantProvider);
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProviderTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProviderTest.java
index 564109e5d..caad5a4e9 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProviderTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/ControlLoopInstantiationProviderTest.java
@@ -27,6 +27,7 @@ import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -105,7 +106,6 @@ class ControlLoopInstantiationProviderTest {
     private static CommissioningProvider commissioningProvider;
     private static ControlLoopProvider clProvider;
     private static PolicyModelsProvider modelsProvider;
-    private static ParticipantProvider participantProvider;
 
     @BeforeAll
     public static void setUpBeforeClass() throws Exception {
@@ -123,7 +123,7 @@ class ControlLoopInstantiationProviderTest {
 
         modelsProvider = CommonTestData.getPolicyModelsProvider(controlLoopParameters.getDatabaseProviderParameters());
         clProvider = new ControlLoopProvider(controlLoopParameters.getDatabaseProviderParameters());
-        participantProvider = new ParticipantProvider(controlLoopParameters.getDatabaseProviderParameters());
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
 
         var participantStatisticsProvider = Mockito.mock(ParticipantStatisticsProvider.class);
         var clElementStatisticsProvider = mock(ClElementStatisticsProvider.class);
@@ -131,7 +131,6 @@ class ControlLoopInstantiationProviderTest {
                 participantProvider);
         var monitoringProvider =
                 new MonitoringProvider(participantStatisticsProvider, clElementStatisticsProvider, clProvider);
-        var participantProvider = new ParticipantProvider(controlLoopParameters.getDatabaseProviderParameters());
         var controlLoopUpdatePublisher = Mockito.mock(ControlLoopUpdatePublisher.class);
         var controlLoopStateChangePublisher = Mockito.mock(ControlLoopStateChangePublisher.class);
         var participantRegisterAckPublisher = Mockito.mock(ParticipantRegisterAckPublisher.class);
@@ -162,6 +161,7 @@ class ControlLoopInstantiationProviderTest {
 
     @Test
     void testIntanceResponses() throws PfModelException {
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
         var instancePropertyList = instantiationProvider.createInstanceProperties(serviceTemplate);
@@ -180,7 +180,9 @@ class ControlLoopInstantiationProviderTest {
 
     @Test
     void testInstantiationCrud() throws Exception {
-        participantProvider.createParticipants(CommonTestData.createParticipants());
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
+        var participants = CommonTestData.createParticipants();
+        when(participantProvider.getParticipants()).thenReturn(participants);
 
         ControlLoops controlLoopsCreate =
                 InstantiationUtils.getControlLoopsFromResource(CL_INSTANTIATION_CREATE_JSON, "Crud");
@@ -242,6 +244,7 @@ class ControlLoopInstantiationProviderTest {
 
         ControlLoops controlLoopsDb = new ControlLoops();
         controlLoopsDb.setControlLoopList(new ArrayList<>());
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
 
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
@@ -262,6 +265,7 @@ class ControlLoopInstantiationProviderTest {
         assertThat(getControlLoopsFromDb(controlLoops).getControlLoopList()).isEmpty();
 
         ControlLoop controlLoop0 = controlLoops.getControlLoopList().get(0);
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
 
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
@@ -295,8 +299,8 @@ class ControlLoopInstantiationProviderTest {
 
     private void assertThatDeleteThrownBy(ControlLoops controlLoops, ControlLoopState state) throws Exception {
         ControlLoop controlLoop = controlLoops.getControlLoopList().get(0);
-
         controlLoop.setState(state);
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
 
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
@@ -316,6 +320,7 @@ class ControlLoopInstantiationProviderTest {
         ControlLoops controlLoopsDb = getControlLoopsFromDb(controlLoopsCreate);
         assertThat(controlLoopsDb.getControlLoopList()).isEmpty();
 
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
 
@@ -336,6 +341,7 @@ class ControlLoopInstantiationProviderTest {
         ControlLoops controlLoops = InstantiationUtils
                 .getControlLoopsFromResource(CL_INSTANTIATION_DEFINITION_NAME_NOT_FOUND_JSON, "ClElementNotFound");
 
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var provider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider, supervisionHandler,
                 participantProvider);
 
@@ -355,6 +361,7 @@ class ControlLoopInstantiationProviderTest {
 
         assertThat(getControlLoopsFromDb(controlLoops).getControlLoopList()).isEmpty();
 
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var provider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider, supervisionHandler,
                 participantProvider);
         assertThatThrownBy(() -> provider.createControlLoops(controlLoops))
@@ -363,6 +370,7 @@ class ControlLoopInstantiationProviderTest {
 
     @Test
     void testIssueControlLoopCommand_OrderedStateInvalid() throws ControlLoopRuntimeException, IOException {
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
         assertThatThrownBy(() -> instantiationProvider.issueControlLoopCommand(new InstantiationCommand()))
@@ -376,6 +384,7 @@ class ControlLoopInstantiationProviderTest {
                 InstantiationUtils.getControlLoopsFromResource(CL_INSTANTIATION_CREATE_JSON, "V1");
         assertThat(getControlLoopsFromDb(controlLoopsV1).getControlLoopList()).isEmpty();
 
+        var participantProvider = Mockito.mock(ParticipantProvider.class);
         var instantiationProvider = new ControlLoopInstantiationProvider(clProvider, commissioningProvider,
                 supervisionHandler, participantProvider);
 
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/rest/InstantiationControllerTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/rest/InstantiationControllerTest.java
index e361ff469..0fc473106 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/rest/InstantiationControllerTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/instantiation/rest/InstantiationControllerTest.java
@@ -326,7 +326,10 @@ class InstantiationControllerTest extends CommonRestController {
         var controlLoops = InstantiationUtils.getControlLoopsFromResource(CL_INSTANTIATION_CREATE_JSON, "Command");
         instantiationProvider.createControlLoops(controlLoops);
 
-        participantProvider.createParticipants(CommonTestData.createParticipants());
+        var participants = CommonTestData.createParticipants();
+        for (var participant : participants) {
+            participantProvider.saveParticipant(participant);
+        }
 
         InstantiationCommand command =
                 InstantiationUtils.getInstantiationCommandFromResource(CL_INSTANTIATION_CHANGE_STATE_JSON, "Command");
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandlerTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandlerTest.java
index a314b30a0..abaa52c12 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandlerTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionHandlerTest.java
@@ -29,6 +29,7 @@ import static org.mockito.Mockito.when;
 
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.UUID;
 import org.junit.jupiter.api.Test;
 import org.mockito.Mockito;
@@ -136,8 +137,8 @@ class SupervisionHandlerTest {
         participant.setParticipantType(participantType);
 
         var participantProvider = mock(ParticipantProvider.class);
-        when(participantProvider.getParticipants(participantId.getName(), participantId.getVersion()))
-                .thenReturn(List.of(participant));
+        when(participantProvider.findParticipant(participantId.getName(), participantId.getVersion()))
+                .thenReturn(Optional.of(participant));
 
         var participantDeregisterMessage = new ParticipantDeregister();
         participantDeregisterMessage.setMessageId(UUID.randomUUID());
@@ -151,7 +152,7 @@ class SupervisionHandlerTest {
 
         handler.handleParticipantMessage(participantDeregisterMessage);
 
-        verify(participantProvider).updateParticipants(anyList());
+        verify(participantProvider).saveParticipant(any());
         verify(participantDeregisterAckPublisher).send(participantDeregisterMessage.getMessageId());
     }
 
@@ -175,7 +176,7 @@ class SupervisionHandlerTest {
 
         handler.handleParticipantMessage(participantRegisterMessage);
 
-        verify(participantProvider).createParticipants(anyList());
+        verify(participantProvider).saveParticipant(any());
         verify(participantRegisterAckPublisher).send(participantRegisterMessage.getMessageId(), participantId,
                 participantType);
     }
@@ -188,8 +189,8 @@ class SupervisionHandlerTest {
         participant.setParticipantType(participantType);
 
         var participantProvider = mock(ParticipantProvider.class);
-        when(participantProvider.getParticipants(participantId.getName(), participantId.getVersion()))
-                .thenReturn(List.of(participant));
+        when(participantProvider.findParticipant(participantId.getName(), participantId.getVersion()))
+                .thenReturn(Optional.of(participant));
 
         var participantUpdateAckMessage = new ParticipantUpdateAck();
         participantUpdateAckMessage.setParticipantId(participantId);
@@ -202,7 +203,7 @@ class SupervisionHandlerTest {
 
         handler.handleParticipantMessage(participantUpdateAckMessage);
 
-        verify(participantProvider).updateParticipants(anyList());
+        verify(participantProvider).saveParticipant(any());
     }
 
     @Test
@@ -221,7 +222,7 @@ class SupervisionHandlerTest {
                 mock(ControlLoopUpdatePublisher.class), mock(ParticipantUpdatePublisher.class));
         handler.handleParticipantMessage(participantStatusMessage);
 
-        verify(participantProvider).createParticipants(anyList());
+        verify(participantProvider).saveParticipant(any());
         verify(monitoringProvider).createParticipantStatistics(anyList());
     }
 
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java
index 50672a84e..62029f009 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/SupervisionScannerTest.java
@@ -20,7 +20,6 @@
 
 package org.onap.policy.clamp.controlloop.runtime.supervision;
 
-import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.Mockito.mock;
@@ -192,8 +191,8 @@ class SupervisionScannerTest {
         participant.setParticipantState(ParticipantState.ACTIVE);
         participant.setDefinition(new ToscaConceptIdentifier("unknown", "0.0.0"));
         participant.setParticipantType(new ToscaConceptIdentifier("ParticipantType1", "1.0.0"));
-        var participantProvider = new ParticipantProvider(clRuntimeParameterGroup.getDatabaseProviderParameters());
-        participantProvider.updateParticipants(List.of(participant));
+        var participantProvider = mock(ParticipantProvider.class);
+        when(participantProvider.getParticipants()).thenReturn(List.of(participant));
 
         var controlLoopUpdatePublisher = mock(ControlLoopUpdatePublisher.class);
         var participantStatusReqPublisher = mock(ParticipantStatusReqPublisher.class);
@@ -206,13 +205,10 @@ class SupervisionScannerTest {
 
         supervisionScanner.handleParticipantStatus(participant.getKey().asIdentifier());
         supervisionScanner.run(true);
-        verify(participantStatusReqPublisher, times(1)).send(any(ToscaConceptIdentifier.class));
-
-        List<Participant> participants = participantProvider.getParticipants(null, null);
-        assertThat(participants.get(0).getHealthStatus()).isEqualTo(ParticipantHealthStatus.NOT_HEALTHY);
+        verify(participantStatusReqPublisher).send(any(ToscaConceptIdentifier.class));
+        verify(participantProvider).saveParticipant(any());
 
         supervisionScanner.run(true);
-        participants = participantProvider.getParticipants(null, null);
-        assertThat(participants.get(0).getHealthStatus()).isEqualTo(ParticipantHealthStatus.OFF_LINE);
+        verify(participantProvider, times(2)).saveParticipant(any());
     }
 }
diff --git a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
index 93433f59c..b64bd9fbe 100644
--- a/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
+++ b/runtime-controlloop/src/test/java/org/onap/policy/clamp/controlloop/runtime/supervision/comm/SupervisionMessagesTest.java
@@ -80,7 +80,7 @@ class SupervisionMessagesTest extends CommonRestController {
         var clElementStatisticsProvider = mock(ClElementStatisticsProvider.class);
         var monitoringProvider =
                 new MonitoringProvider(participantStatisticsProvider, clElementStatisticsProvider, clProvider);
-        var participantProvider = new ParticipantProvider(controlLoopParameters.getDatabaseProviderParameters());
+        var participantProvider = mock(ParticipantProvider.class);
         var serviceTemplateProvider = Mockito.mock(ServiceTemplateProvider.class);
         var controlLoopUpdatePublisher = Mockito.mock(ControlLoopUpdatePublisher.class);
         var controlLoopStateChangePublisher = Mockito.mock(ControlLoopStateChangePublisher.class);