Verify participant Simulator and messages

Add missing ControlLoopElementHandler in participant Simulator
and fix some message issues.

Issue-ID: POLICY-3628
Change-Id: I9f058c19aa18e070bac6ccaf98fdf7600d66d71e
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

4 files changed, 163 insertions, 66 deletions

diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParticipantConfig.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParticipantConfig.java
index c890ec247..d28ddf9dc 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParticipantConfig.java
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/config/ParticipantConfig.java
@@ -20,7 +20,10 @@
 
 package org.onap.policy.clamp.controlloop.participant.simulator.config;
 
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
+import org.onap.policy.clamp.controlloop.participant.simulator.main.handler.ControlLoopElementHandler;
 import org.onap.policy.clamp.controlloop.participant.simulator.main.rest.RequestResponseLoggingFilter;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -42,4 +45,17 @@ public class ParticipantConfig {
 
         return registrationBean;
     }
+
+    /**
+     * Register ControlLoopElementListener.
+     *
+     * @param intermediaryApi the ParticipantIntermediaryApi
+     * @param clElementHandler the ControlLoop Element Handler
+     */
+    @Autowired
+    public void registerControlLoopElementListener(ParticipantIntermediaryApi intermediaryApi,
+            ControlLoopElementHandler clElementHandler) {
+        intermediaryApi.registerControlLoopElementListener(clElementHandler);
+        clElementHandler.setIntermediaryApi(intermediaryApi);
+    }
 }
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/handler/ControlLoopElementHandler.java b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/handler/ControlLoopElementHandler.java
new file mode 100644
index 000000000..fd46faf97
--- /dev/null
+++ b/participant/participant-impl/participant-impl-simulator/src/main/java/org/onap/policy/clamp/controlloop/participant/simulator/main/handler/ControlLoopElementHandler.java
@@ -0,0 +1,111 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.participant.simulator.main.handler;
+
+import java.time.Instant;
+import java.util.UUID;
+import lombok.Setter;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ClElementStatistics;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
+import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantMessageType;
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ControlLoopElementListener;
+import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Component;
+
+/**
+ * This class handles implementation of controlLoopElement updates.
+ */
+@Component
+public class ControlLoopElementHandler implements ControlLoopElementListener {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ControlLoopElementHandler.class);
+
+    @Setter
+    private ParticipantIntermediaryApi intermediaryApi;
+
+    /**
+     * Callback method to handle a control loop element state change.
+     *
+     * @param controlLoopElementId the ID of the control loop element
+     * @param currentState the current state of the control loop element
+     * @param newState the state to which the control loop element is changing to
+     * @throws PfModelException in case of an exception
+     */
+    @Override
+    public void controlLoopElementStateChange(ToscaConceptIdentifier controlLoopId,
+                UUID controlLoopElementId, ControlLoopState currentState,
+            ControlLoopOrderedState newState) throws PfModelException {
+        switch (newState) {
+            case UNINITIALISED:
+                intermediaryApi.updateControlLoopElementState(controlLoopId,
+                        controlLoopElementId, newState, ControlLoopState.UNINITIALISED,
+                        ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
+                break;
+            case PASSIVE:
+                intermediaryApi.updateControlLoopElementState(controlLoopId,
+                    controlLoopElementId, newState, ControlLoopState.PASSIVE,
+                    ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
+                break;
+            case RUNNING:
+                intermediaryApi.updateControlLoopElementState(controlLoopId,
+                    controlLoopElementId, newState, ControlLoopState.RUNNING,
+                    ParticipantMessageType.CONTROL_LOOP_STATE_CHANGE);
+                break;
+            default:
+                LOGGER.debug("Unknown orderedstate {}", newState);
+                break;
+        }
+    }
+
+    /**
+     * Callback method to handle an update on a control loop element.
+     *
+     * @param element the information on the control loop element
+     * @param clElementDefinition toscaNodeTemplate
+     * @throws PfModelException in case of an exception
+     */
+    @Override
+    public void controlLoopElementUpdate(ToscaConceptIdentifier controlLoopId, ControlLoopElement element,
+                ToscaNodeTemplate clElementDefinition)
+            throws PfModelException {
+        intermediaryApi.updateControlLoopElementState(controlLoopId, element.getId(), element.getOrderedState(),
+                ControlLoopState.PASSIVE, ParticipantMessageType.CONTROL_LOOP_UPDATE);
+    }
+
+    @Override
+    public void handleStatistics(UUID controlLoopElementId) throws PfModelException {
+        var clElement = intermediaryApi.getControlLoopElement(controlLoopElementId);
+        if (clElement != null) {
+            var clElementStatistics = new ClElementStatistics();
+            clElementStatistics.setControlLoopState(clElement.getState());
+            clElementStatistics.setTimeStamp(Instant.now());
+            intermediaryApi.updateControlLoopElementStatistics(controlLoopElementId, clElementStatistics);
+        }
+    }
+
+}
diff --git a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
index c26749b4d..320b53805 100644
--- a/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
+++ b/participant/participant-impl/participant-impl-simulator/src/main/resources/config/application.yaml
@@ -13,7 +13,7 @@ server:
 
 participant:
   intermediaryParameters:
-    reportingTimeIntervalMs: 120000
+    reportingTimeIntervalMs: 60000
     description: Participant Description
     participantId:
       name: org.onap.PM_CDS_Blueprint
diff --git a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/TestListenerUtils.java b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/TestListenerUtils.java
index 7439ccd5b..bd3316abb 100644
--- a/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/TestListenerUtils.java
+++ b/participant/participant-impl/participant-impl-simulator/src/test/java/org/onap/policy/clamp/controlloop/participant/simulator/main/rest/TestListenerUtils.java
@@ -31,6 +31,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElementDefinition;
@@ -38,6 +40,7 @@ import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoop
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantDefinition;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantUpdates;
+import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantUtils;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopStateChange;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ControlLoopUpdate;
 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdate;
@@ -53,15 +56,13 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class TestListenerUtils {
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class TestListenerUtils {
 
     private static final YamlJsonTranslator yamlTranslator = new YamlJsonTranslator();
     private static final Coder CODER = new StandardCoder();
     static CommonTestData commonTestData = new CommonTestData();
     private static final Logger LOGGER = LoggerFactory.getLogger(TestListenerUtils.class);
-    private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
-
-    private TestListenerUtils() {}
 
     /**
      * Method to create a controlLoop from a yaml file.
@@ -131,10 +132,8 @@ public class TestListenerUtils {
      */
     public static ControlLoopUpdate createControlLoopUpdateMsg() {
         final ControlLoopUpdate clUpdateMsg = new ControlLoopUpdate();
-        ToscaConceptIdentifier controlLoopId =
-            new ToscaConceptIdentifier("PMSHInstance0", "1.0.0");
-        ToscaConceptIdentifier participantId =
-            new ToscaConceptIdentifier("org.onap.PM_Policy", "0.0.0");
+        ToscaConceptIdentifier controlLoopId = new ToscaConceptIdentifier("PMSHInstance0", "1.0.0");
+        ToscaConceptIdentifier participantId = new ToscaConceptIdentifier("org.onap.PM_Policy", "0.0.0");
 
         clUpdateMsg.setControlLoopId(controlLoopId);
         clUpdateMsg.setParticipantId(participantId);
@@ -146,23 +145,18 @@ public class TestListenerUtils {
         Map<String, ToscaNodeTemplate> nodeTemplatesMap =
                 toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates();
         for (Map.Entry<String, ToscaNodeTemplate> toscaInputEntry : nodeTemplatesMap.entrySet()) {
-            if (checkIfNodeTemplateIsControlLoopElement(toscaInputEntry.getValue(), toscaServiceTemplate)) {
+            if (ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(toscaInputEntry.getValue(),
+                    toscaServiceTemplate)) {
                 ControlLoopElement clElement = new ControlLoopElement();
                 clElement.setId(UUID.randomUUID());
-                ToscaConceptIdentifier clParticipantType;
-                try {
-                    clParticipantType = CODER.decode(
-                            toscaInputEntry.getValue().getProperties().get("participantType").toString(),
-                            ToscaConceptIdentifier.class);
-                } catch (CoderException e) {
-                    throw new RuntimeException("cannot get ParticipantType from toscaNodeTemplate", e);
-                }
+                var clParticipantType =
+                        ParticipantUtils.findParticipantType(toscaInputEntry.getValue().getProperties());
 
                 clElement.setParticipantId(clParticipantType);
                 clElement.setParticipantType(clParticipantType);
 
-                clElement.setDefinition(new ToscaConceptIdentifier(toscaInputEntry.getKey(),
-                    toscaInputEntry.getValue().getVersion()));
+                clElement.setDefinition(
+                        new ToscaConceptIdentifier(toscaInputEntry.getKey(), toscaInputEntry.getValue().getVersion()));
                 clElement.setState(ControlLoopState.UNINITIALISED);
                 clElement.setDescription(toscaInputEntry.getValue().getDescription());
                 clElement.setOrderedState(ControlLoopOrderedState.PASSIVE);
@@ -178,24 +172,8 @@ public class TestListenerUtils {
         return clUpdateMsg;
     }
 
-    private static boolean checkIfNodeTemplateIsControlLoopElement(ToscaNodeTemplate nodeTemplate,
-            ToscaServiceTemplate toscaServiceTemplate) {
-        if (nodeTemplate.getType().contains(CONTROL_LOOP_ELEMENT)) {
-            return true;
-        } else {
-            var nodeType = toscaServiceTemplate.getNodeTypes().get(nodeTemplate.getType());
-            if (nodeType != null) {
-                var derivedFrom = nodeType.getDerivedFrom();
-                if (derivedFrom != null) {
-                    return derivedFrom.contains(CONTROL_LOOP_ELEMENT) ? true : false;
-                }
-            }
-        }
-        return false;
-    }
-
     private static void prepareParticipantUpdateForControlLoop(ControlLoopElement clElement,
-        List<ParticipantUpdates> participantUpdates) {
+            List<ParticipantUpdates> participantUpdates) {
         if (participantUpdates.isEmpty()) {
             participantUpdates.add(getControlLoopElementList(clElement));
         } else {
@@ -229,8 +207,8 @@ public class TestListenerUtils {
     public static ParticipantUpdate createParticipantUpdateMsg() {
         final ParticipantUpdate participantUpdateMsg = new ParticipantUpdate();
         ToscaConceptIdentifier participantId = new ToscaConceptIdentifier("org.onap.PM_Policy", "1.0.0");
-        ToscaConceptIdentifier participantType = new ToscaConceptIdentifier(
-                "org.onap.policy.controlloop.PolicyControlLoopParticipant", "2.3.1");
+        ToscaConceptIdentifier participantType =
+                new ToscaConceptIdentifier("org.onap.policy.controlloop.PolicyControlLoopParticipant", "2.3.1");
 
         participantUpdateMsg.setParticipantId(participantId);
         participantUpdateMsg.setTimestamp(Instant.now());
@@ -242,19 +220,14 @@ public class TestListenerUtils {
         // Add policies to the toscaServiceTemplate
 
         List<ParticipantDefinition> participantDefinitionUpdates = new ArrayList<>();
-        for (Map.Entry<String, ToscaNodeTemplate> toscaInputEntry :
-            toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates().entrySet()) {
-            if (checkIfNodeTemplateIsControlLoopElement(toscaInputEntry.getValue(), toscaServiceTemplate)) {
-                ToscaConceptIdentifier clParticipantType;
-                try {
-                    clParticipantType = CODER.decode(
-                            toscaInputEntry.getValue().getProperties().get("participantType").toString(),
-                            ToscaConceptIdentifier.class);
-                } catch (CoderException e) {
-                    throw new RuntimeException("cannot get ParticipantType from toscaNodeTemplate", e);
-                }
+        for (Map.Entry<String, ToscaNodeTemplate> toscaInputEntry : toscaServiceTemplate.getToscaTopologyTemplate()
+                .getNodeTemplates().entrySet()) {
+            if (ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(toscaInputEntry.getValue(),
+                    toscaServiceTemplate)) {
+                var clParticipantType =
+                        ParticipantUtils.findParticipantType(toscaInputEntry.getValue().getProperties());
                 prepareParticipantDefinitionUpdate(clParticipantType, toscaInputEntry.getKey(),
-                    toscaInputEntry.getValue(), participantDefinitionUpdates);
+                        toscaInputEntry.getValue(), participantDefinitionUpdates);
             }
         }
 
@@ -263,17 +236,16 @@ public class TestListenerUtils {
     }
 
     private static void prepareParticipantDefinitionUpdate(ToscaConceptIdentifier clParticipantType, String entryKey,
-        ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates) {
+            ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates) {
 
         var clDefinition = new ControlLoopElementDefinition();
-        clDefinition.setClElementDefinitionId(new ToscaConceptIdentifier(
-            entryKey, entryValue.getVersion()));
+        clDefinition.setClElementDefinitionId(new ToscaConceptIdentifier(entryKey, entryValue.getVersion()));
         clDefinition.setControlLoopElementToscaNodeTemplate(entryValue);
         List<ControlLoopElementDefinition> controlLoopElementDefinitionList = new ArrayList<>();
 
         if (participantDefinitionUpdates.isEmpty()) {
-            participantDefinitionUpdates.add(getParticipantDefinition(clDefinition, clParticipantType,
-                controlLoopElementDefinitionList));
+            participantDefinitionUpdates
+                    .add(getParticipantDefinition(clDefinition, clParticipantType, controlLoopElementDefinitionList));
         } else {
             boolean participantExists = false;
             for (ParticipantDefinition participantDefinitionUpdate : participantDefinitionUpdates) {
@@ -283,15 +255,15 @@ public class TestListenerUtils {
                 }
             }
             if (!participantExists) {
-                participantDefinitionUpdates.add(getParticipantDefinition(clDefinition, clParticipantType,
-                    controlLoopElementDefinitionList));
+                participantDefinitionUpdates.add(
+                        getParticipantDefinition(clDefinition, clParticipantType, controlLoopElementDefinitionList));
             }
         }
     }
 
     private static ParticipantDefinition getParticipantDefinition(ControlLoopElementDefinition clDefinition,
-        ToscaConceptIdentifier clParticipantType,
-        List<ControlLoopElementDefinition> controlLoopElementDefinitionList) {
+            ToscaConceptIdentifier clParticipantType,
+            List<ControlLoopElementDefinition> controlLoopElementDefinitionList) {
         ParticipantDefinition participantDefinition = new ParticipantDefinition();
         participantDefinition.setParticipantType(clParticipantType);
         controlLoopElementDefinitionList.add(clDefinition);
@@ -307,10 +279,8 @@ public class TestListenerUtils {
      * @return ControlLoopUpdate message
      * @throws CoderException exception while reading the file to object
      */
-    public static ControlLoopUpdate createParticipantClUpdateMsgFromJson(String jsonFilePath)
-            throws CoderException {
-        ControlLoopUpdate controlLoopUpdateMsg =
-                CODER.decode(new File(jsonFilePath), ControlLoopUpdate.class);
+    public static ControlLoopUpdate createParticipantClUpdateMsgFromJson(String jsonFilePath) throws CoderException {
+        ControlLoopUpdate controlLoopUpdateMsg = CODER.decode(new File(jsonFilePath), ControlLoopUpdate.class);
         return controlLoopUpdateMsg;
     }
 
@@ -340,8 +310,8 @@ public class TestListenerUtils {
                 throw new FileNotFoundException(controlLoopFilePath);
             }
 
-            ToscaServiceTemplate serviceTemplate = yamlTranslator.fromYaml(
-                            controlLoopString, ToscaServiceTemplate.class);
+            ToscaServiceTemplate serviceTemplate =
+                    yamlTranslator.fromYaml(controlLoopString, ToscaServiceTemplate.class);
             return serviceTemplate;
         } catch (FileNotFoundException e) {
             LOGGER.error("cannot find YAML file", controlLoopFilePath);