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>

2 files changed, 84 insertions, 3 deletions

diff --git a/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java
new file mode 100644
index 000000000..05f5a4bb8
--- /dev/null
+++ b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java
@@ -0,0 +1,81 @@
+/*-
+ * ============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.models.controlloop.concepts;
+
+import java.util.Map;
+import javax.ws.rs.core.Response;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class ParticipantUtils {
+
+    private static final Coder CODER = new StandardCoder();
+    private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
+
+    /**
+     * Finds participantType from a map of properties.
+     *
+     * @param properties Map of properties
+     * @return participantType
+     */
+    public static ToscaConceptIdentifier findParticipantType(Map<String, Object> properties) {
+        var objParticipantType = properties.get("participantType");
+        if (objParticipantType != null) {
+            try {
+                return CODER.decode(objParticipantType.toString(), ToscaConceptIdentifier.class);
+            } catch (CoderException e) {
+                throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, e.getMessage(), e);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Checks If NodeTemplate Is ControlLoopElement.
+     *
+     * @param nodeTemplate the ToscaNodeTemplate
+     * @param toscaServiceTemplate the ToscaServiceTemplate
+     * @return true if NodeTemplate Is ControlLoopElement
+     */
+    public 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);
+                }
+            }
+        }
+        return false;
+    }
+}
diff --git a/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/persistence/provider/ProviderUtils.java b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/persistence/provider/ProviderUtils.java
index ff5b132ab..3cce9c55c 100644
--- a/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/persistence/provider/ProviderUtils.java
+++ b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/persistence/provider/ProviderUtils.java
@@ -24,15 +24,15 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Supplier;
 import javax.ws.rs.core.Response;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.onap.policy.common.parameters.BeanValidationResult;
 import org.onap.policy.models.base.PfAuthorative;
 import org.onap.policy.models.base.PfConcept;
 import org.onap.policy.models.base.PfModelRuntimeException;
 
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
 public final class ProviderUtils {
-    private ProviderUtils() {
-        // Utility class has no instances
-    }
 
     protected static <A, J extends PfConcept & PfAuthorative<A>> List<J> getJpaAndValidate(
             List<A> authorativeConceptList, Supplier<J> jpaSupplier, String conceptDescription) {