Link the existing CommissioningController with the generated code

Link the existing CommissioningController
endpoint implementation code with the generated code in Acm.

Issue-ID: POLICY-4454
Change-Id: Ie10296b6af8c8bfdbfa7f54714b22ca4804a2eef
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

6 files changed, 362 insertions, 256 deletions

diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/messages/rest/commissioning/CommissioningResponse.java b/models/src/main/java/org/onap/policy/clamp/models/acm/messages/rest/commissioning/CommissioningResponse.java
index 42ce79843..9f6736d32 100644
--- a/models/src/main/java/org/onap/policy/clamp/models/acm/messages/rest/commissioning/CommissioningResponse.java
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/messages/rest/commissioning/CommissioningResponse.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2021 Nordix Foundation.
+ * Copyright (C) 2021-2022 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@
 package org.onap.policy.clamp.models.acm.messages.rest.commissioning;
 
 import java.util.List;
+import java.util.UUID;
 import lombok.Getter;
 import lombok.Setter;
 import lombok.ToString;
@@ -34,5 +35,7 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
 @Setter
 @ToString(callSuper = true)
 public class CommissioningResponse extends SimpleResponse {
+    private UUID compositionId;
+
     private List<ToscaConceptIdentifier> affectedAutomationCompositionDefinitions;
 }
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AcDefinitionProvider.java b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AcDefinitionProvider.java
new file mode 100644
index 000000000..5740207c7
--- /dev/null
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AcDefinitionProvider.java
@@ -0,0 +1,132 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021-2022 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.models.acm.persistence.provider;
+
+import java.util.List;
+import java.util.UUID;
+import javax.ws.rs.core.Response;
+import lombok.RequiredArgsConstructor;
+import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionDefinition;
+import org.onap.policy.clamp.models.acm.persistence.concepts.JpaAutomationCompositionDefinition;
+import org.onap.policy.clamp.models.acm.persistence.repository.AutomationCompositionDefinitionRepository;
+import org.onap.policy.clamp.models.acm.persistence.repository.ToscaServiceTemplateRepository;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+@Service
+@Transactional
+@RequiredArgsConstructor
+public class AcDefinitionProvider {
+
+    private final ToscaServiceTemplateRepository serviceTemplateRepository;
+    private final AutomationCompositionDefinitionRepository acmDefinitionRepository;
+
+    /**
+     * Create Automation Composition Definition.
+     *
+     * @param serviceTemplate the service template to be created
+     * @return the created ACM Definition
+     */
+    public AutomationCompositionDefinition createAutomationCompositionDefinition(
+            final ToscaServiceTemplate serviceTemplate) {
+        var acmDefinition = new AutomationCompositionDefinition();
+        acmDefinition.setCompositionId(UUID.randomUUID());
+        acmDefinition.setServiceTemplate(serviceTemplate);
+        var result = acmDefinitionRepository.save(new JpaAutomationCompositionDefinition(acmDefinition));
+        return result.toAuthorative();
+    }
+
+    /**
+     * Update the ServiceTemplate.
+     *
+     * @param compositionId The UUID of the automation composition definition to delete
+     * @param serviceTemplate the service template to be created
+     */
+    public void updateServiceTemplate(UUID compositionId, ToscaServiceTemplate serviceTemplate) {
+        var jpaServiceTemplate =
+                ProviderUtils.getJpaAndValidate(serviceTemplate, JpaToscaServiceTemplate::new, "toscaServiceTemplate");
+        serviceTemplateRepository.save(jpaServiceTemplate);
+    }
+
+    /**
+     * Delete Automation Composition Definition.
+     *
+     * @param compositionId The UUID of the automation composition definition to delete
+     * @return the TOSCA service template that was deleted
+     */
+    public ToscaServiceTemplate deleteAcDefintion(UUID compositionId) {
+        var jpaDelete = acmDefinitionRepository.findById(compositionId.toString());
+        if (jpaDelete.isEmpty()) {
+            String errorMessage = "delete of Automation Composition Definition \"" + compositionId
+                    + "\" failed, Automation Composition Definition does not exist";
+            throw new PfModelRuntimeException(Response.Status.NOT_FOUND, errorMessage);
+        }
+
+        var item = jpaDelete.get().getServiceTemplate();
+        serviceTemplateRepository.deleteById(item.getKey());
+        acmDefinitionRepository.deleteById(compositionId.toString());
+        return item.toAuthorative();
+    }
+
+    /**
+     * Get the requested automation composition definitions.
+     *
+     * @param compositionId The UUID of the automation composition definition to delete
+     * @return the automation composition definition
+     */
+    @Transactional(readOnly = true)
+    public ToscaServiceTemplate getAcDefinition(UUID compositionId) {
+        var jpaGet = acmDefinitionRepository.findById(compositionId.toString());
+        if (jpaGet.isEmpty()) {
+            String errorMessage =
+                    "Get serviceTemplate \"" + compositionId + "\" failed, serviceTemplate does not exist";
+            throw new PfModelRuntimeException(Response.Status.NOT_FOUND, errorMessage);
+        }
+        return jpaGet.get().getServiceTemplate().toAuthorative();
+    }
+
+    /**
+     * Get service templates.
+     *
+     * @return the topology templates found
+     */
+    @Transactional(readOnly = true)
+    public List<ToscaServiceTemplate> getAllServiceTemplates() {
+        var jpaList = serviceTemplateRepository.findAll();
+        return ProviderUtils.asEntityList(jpaList);
+    }
+
+    /**
+     * Get service templates.
+     *
+     * @param name the name of the topology template to get, set to null to get all service templates
+     * @param version the version of the service template to get, set to null to get all service templates
+     * @return the topology templates found
+     */
+    @Transactional(readOnly = true)
+    public List<ToscaServiceTemplate> getServiceTemplateList(final String name, final String version) {
+        var jpaList = serviceTemplateRepository.getFiltered(JpaToscaServiceTemplate.class, name, version);
+        return ProviderUtils.asEntityList(jpaList);
+    }
+}
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AutomationCompositionProvider.java b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AutomationCompositionProvider.java
index 5ee7d02f6..c4f8b91e7 100644
--- a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AutomationCompositionProvider.java
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/AutomationCompositionProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2021 Nordix Foundation.
+ * Copyright (C) 2021-2022 Nordix Foundation.
  * ================================================================================
  * Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
@@ -189,7 +189,7 @@ public class AutomationCompositionProvider {
         if (jpaDeleteAutomationComposition.isEmpty()) {
             String errorMessage = "delete of automation composition \"" + automationCompositionKey.getId()
                 + "\" failed, automation composition does not exist";
-            throw new PfModelException(Response.Status.BAD_REQUEST, errorMessage);
+            throw new PfModelException(Response.Status.NOT_FOUND, errorMessage);
         }
 
         automationCompositionRepository.deleteById(automationCompositionKey);
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ParticipantProvider.java b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ParticipantProvider.java
index 1f9e07f8e..6e3b56d56 100644
--- a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ParticipantProvider.java
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ParticipantProvider.java
@@ -1,6 +1,6 @@
 /*-
  * ============LICENSE_START=======================================================
- * Copyright (C) 2021 Nordix Foundation.
+ * Copyright (C) 2021-2022 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,10 +51,9 @@ public class ParticipantProvider {
      * @param name the name of the participant to get, null to get all participants
      * @param version the version of the participant to get, null to get all participants
      * @return the participants found
-     * @throws PfModelException on errors getting participants
      */
     @Transactional(readOnly = true)
-    public List<Participant> getParticipants(final String name, final String version) throws PfModelException {
+    public List<Participant> getParticipants(final String name, final String version) {
 
         return ProviderUtils.asEntityList(participantRepository.getFiltered(JpaParticipant.class, name, version));
     }
@@ -63,10 +62,9 @@ public class ParticipantProvider {
      * Get all participants.
      *
      * @return the participants found
-     * @throws PfModelException on errors getting policies
      */
     @Transactional(readOnly = true)
-    public List<Participant> getParticipants() throws PfModelException {
+    public List<Participant> getParticipants() {
         return ProviderUtils.asEntityList(participantRepository.findAll());
     }
 
@@ -93,11 +91,9 @@ public class ParticipantProvider {
      *
      * @param filter the filter for the participants to get
      * @return the participants found
-     * @throws PfModelException on errors getting policies
      */
     @Transactional(readOnly = true)
-    public List<Participant> getFilteredParticipants(@NonNull final ToscaTypedEntityFilter<Participant> filter)
-            throws PfModelException {
+    public List<Participant> getFilteredParticipants(@NonNull final ToscaTypedEntityFilter<Participant> filter) {
 
         return filter.filter(ProviderUtils.asEntityList(
                 participantRepository.getFiltered(JpaParticipant.class, filter.getName(), filter.getVersion())));
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ServiceTemplateProvider.java b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ServiceTemplateProvider.java
deleted file mode 100644
index 4661c74c7..000000000
--- a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/provider/ServiceTemplateProvider.java
+++ /dev/null
@@ -1,230 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- *  Copyright (C) 2021-2022 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.models.acm.persistence.provider;
-
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.Response.Status;
-import lombok.RequiredArgsConstructor;
-import org.onap.policy.clamp.models.acm.persistence.repository.ToscaServiceTemplateRepository;
-import org.onap.policy.models.base.PfConceptKey;
-import org.onap.policy.models.base.PfModelException;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeType;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaProperty;
-import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
-import org.onap.policy.models.tosca.simple.concepts.JpaToscaServiceTemplate;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-@Service
-@Transactional
-@RequiredArgsConstructor
-public class ServiceTemplateProvider {
-
-    private final ToscaServiceTemplateRepository serviceTemplateRepository;
-
-    /**
-     * Create service template.
-     *
-     * @param serviceTemplate the service template to be created
-     * @return the created service template
-     * @throws PfModelException on errors creating the service template
-     */
-    public ToscaServiceTemplate createServiceTemplate(final ToscaServiceTemplate serviceTemplate)
-            throws PfModelException {
-        try {
-            var result = serviceTemplateRepository.save(ProviderUtils.getJpaAndValidate(serviceTemplate,
-                    JpaToscaServiceTemplate::new, "toscaServiceTemplate"));
-            return result.toAuthorative();
-        } catch (IllegalArgumentException e) {
-            throw new PfModelException(Status.BAD_REQUEST, "Error in save serviceTemplate", e);
-        }
-    }
-
-    /**
-     * Delete service template.
-     *
-     * @param name the name of the service template to delete.
-     * @param version the version of the service template to delete.
-     * @return the TOSCA service template that was deleted
-     * @throws PfModelException on errors deleting policy types
-     */
-    public ToscaServiceTemplate deleteServiceTemplate(final String name, final String version) throws PfModelException {
-        var serviceTemplateKey = new PfConceptKey(name, version);
-        var jpaDelete = serviceTemplateRepository.findById(serviceTemplateKey);
-        if (jpaDelete.isEmpty()) {
-            String errorMessage = "delete of serviceTemplate \"" + serviceTemplateKey.getId()
-                    + "\" failed, serviceTemplate does not exist";
-            throw new PfModelException(Response.Status.BAD_REQUEST, errorMessage);
-        }
-        serviceTemplateRepository.deleteById(serviceTemplateKey);
-        return jpaDelete.get().toAuthorative();
-    }
-
-    /**
-     * Get the requested automation composition definitions.
-     *
-     * @param name the name of the definition to get, null for all definitions
-     * @param version the version of the definition to get, null for all definitions
-     * @return the automation composition definitions
-     * @throws PfModelException on errors getting automation composition definitions
-     */
-    @Transactional(readOnly = true)
-    public ToscaServiceTemplate getToscaServiceTemplate(String name, String version) throws PfModelException {
-        var serviceTemplateKey = new PfConceptKey(name, version);
-        var jpaServiceTemplates = serviceTemplateRepository.findById(serviceTemplateKey);
-        if (jpaServiceTemplates.isEmpty()) {
-            throw new PfModelException(Status.NOT_FOUND, "Automation composition definitions not found");
-        }
-        return jpaServiceTemplates.get().toAuthorative();
-    }
-
-    /**
-     * Get service templates.
-     *
-     * @return the topology templates found
-     * @throws PfModelException on errors getting service templates
-     */
-    @Transactional(readOnly = true)
-    public List<ToscaServiceTemplate> getAllServiceTemplates() throws PfModelException {
-        var jpaList = serviceTemplateRepository.findAll();
-        return ProviderUtils.asEntityList(jpaList);
-    }
-
-    /**
-     * Get service templates.
-     *
-     * @param name the name of the topology template to get, set to null to get all service templates
-     * @param version the version of the service template to get, set to null to get all service templates
-     * @return the topology templates found
-     * @throws PfModelException on errors getting service templates
-     */
-    @Transactional(readOnly = true)
-    public List<ToscaServiceTemplate> getServiceTemplateList(final String name, final String version)
-            throws PfModelException {
-        var jpaList = serviceTemplateRepository.getFiltered(JpaToscaServiceTemplate.class, name, version);
-        return ProviderUtils.asEntityList(jpaList);
-    }
-
-    /**
-     * Get the initial node types with common or instance properties.
-     *
-     * @param fullNodeTypes map of all the node types in the specified template
-     * @param common boolean to indicate whether common or instance properties are required
-     * @return node types map that only has common properties
-     */
-    private Map<String, ToscaNodeType> getInitialNodeTypesMap(Map<String, ToscaNodeType> fullNodeTypes,
-            boolean common) {
-
-        var tempNodeTypesMap = new HashMap<String, ToscaNodeType>();
-
-        fullNodeTypes.forEach((key, nodeType) -> {
-            var tempToscaNodeType = new ToscaNodeType();
-            tempToscaNodeType.setName(key);
-
-            var resultantPropertyMap = findCommonOrInstancePropsInNodeTypes(nodeType, common);
-
-            if (!resultantPropertyMap.isEmpty()) {
-                tempToscaNodeType.setProperties(resultantPropertyMap);
-                tempNodeTypesMap.put(key, tempToscaNodeType);
-            }
-        });
-        return tempNodeTypesMap;
-    }
-
-    private Map<String, ToscaProperty> findCommonOrInstancePropsInNodeTypes(ToscaNodeType nodeType, boolean common) {
-
-        var tempCommonPropertyMap = new HashMap<String, ToscaProperty>();
-        var tempInstancePropertyMap = new HashMap<String, ToscaProperty>();
-
-        nodeType.getProperties().forEach((propKey, prop) -> {
-
-            if (prop.getMetadata() != null) {
-                prop.getMetadata().forEach((k, v) -> {
-                    if (k.equals("common") && v.equals("true") && common) {
-                        tempCommonPropertyMap.put(propKey, prop);
-                    } else if (k.equals("common") && v.equals("false") && !common) {
-                        tempInstancePropertyMap.put(propKey, prop);
-                    }
-
-                });
-            } else {
-                tempInstancePropertyMap.put(propKey, prop);
-            }
-        });
-
-        if (tempCommonPropertyMap.isEmpty() && !common) {
-            return tempInstancePropertyMap;
-        } else {
-            return tempCommonPropertyMap;
-        }
-    }
-
-    /**
-     * Get the node types derived from those that have common properties.
-     *
-     * @param initialNodeTypes map of all the node types in the specified template
-     * @param filteredNodeTypes map of all the node types that have common or instance properties
-     * @return all node types that have common properties including their children
-     * @throws PfModelException on errors getting node type with common properties
-     */
-    private Map<String, ToscaNodeType> getFinalNodeTypesMap(Map<String, ToscaNodeType> initialNodeTypes,
-            Map<String, ToscaNodeType> filteredNodeTypes) {
-        for (var i = 0; i < initialNodeTypes.size(); i++) {
-            initialNodeTypes.forEach((key, nodeType) -> {
-                var tempToscaNodeType = new ToscaNodeType();
-                tempToscaNodeType.setName(key);
-
-                if (filteredNodeTypes.get(nodeType.getDerivedFrom()) != null) {
-                    tempToscaNodeType.setName(key);
-
-                    var finalProps = new HashMap<String, ToscaProperty>(
-                            filteredNodeTypes.get(nodeType.getDerivedFrom()).getProperties());
-
-                    tempToscaNodeType.setProperties(finalProps);
-                } else {
-                    return;
-                }
-                filteredNodeTypes.putIfAbsent(key, tempToscaNodeType);
-
-            });
-        }
-        return filteredNodeTypes;
-    }
-
-    /**
-     * Get the requested node types with common or instance properties.
-     *
-     * @param common boolean indicating common or instance properties
-     * @param serviceTemplate the ToscaServiceTemplate
-     * @return the node types with common or instance properties
-     * @throws PfModelException on errors getting node type properties
-     */
-    public Map<String, ToscaNodeType> getCommonOrInstancePropertiesFromNodeTypes(boolean common,
-            ToscaServiceTemplate serviceTemplate) throws PfModelException {
-        var tempNodeTypesMap = this.getInitialNodeTypesMap(serviceTemplate.getNodeTypes(), common);
-
-        return this.getFinalNodeTypesMap(serviceTemplate.getNodeTypes(), tempNodeTypesMap);
-
-    }
-}
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/utils/AcmUtils.java b/models/src/main/java/org/onap/policy/clamp/models/acm/utils/AcmUtils.java
index f54ecb441..283edd49e 100644
--- a/models/src/main/java/org/onap/policy/clamp/models/acm/utils/AcmUtils.java
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/utils/AcmUtils.java
@@ -21,15 +21,31 @@
 package org.onap.policy.clamp.models.acm.utils;
 
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Function;
+import java.util.function.UnaryOperator;
+import java.util.stream.Collectors;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.collections4.MapUtils;
+import org.onap.policy.clamp.models.acm.concepts.AutomationComposition;
 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElement;
 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElementDefinition;
 import org.onap.policy.clamp.models.acm.concepts.ParticipantDefinition;
 import org.onap.policy.clamp.models.acm.concepts.ParticipantUpdates;
+import org.onap.policy.common.parameters.BeanValidationResult;
+import org.onap.policy.common.parameters.ObjectValidationResult;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.common.parameters.ValidationStatus;
+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.onap.policy.models.tosca.authorative.concepts.ToscaNodeType;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaProperty;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
 import org.onap.policy.models.tosca.authorative.concepts.ToscaTopologyTemplate;
 
@@ -37,11 +53,11 @@ import org.onap.policy.models.tosca.authorative.concepts.ToscaTopologyTemplate;
  * Utility functions used in acm-runtime and participants.
  *
  */
-public class AcmUtils {
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class AcmUtils {
 
-    private AcmUtils() {
-        throw new IllegalStateException("Utility class");
-    }
+    private static final String AUTOMATION_COMPOSITION_NODE_TYPE = "org.onap.policy.clamp.acm.AutomationComposition";
+    public static final String ENTRY = "entry ";
 
     /**
      * Prepare participant updates map.
@@ -50,7 +66,7 @@ public class AcmUtils {
      * @param participantUpdates list of participantUpdates
      */
     public static void prepareParticipantUpdate(AutomationCompositionElement acElement,
-        List<ParticipantUpdates> participantUpdates) {
+            List<ParticipantUpdates> participantUpdates) {
         if (participantUpdates.isEmpty()) {
             participantUpdates.add(getAutomationCompositionElementList(acElement));
             return;
@@ -81,11 +97,11 @@ public class AcmUtils {
      * @param acElement automation composition element
      * @param toscaServiceTemplate ToscaServiceTemplate
      */
-    public static void setServiceTemplatePolicyInfo(AutomationCompositionElement acElement,
-        ToscaServiceTemplate toscaServiceTemplate) {
+    public static void setAcPolicyInfo(AutomationCompositionElement acElement,
+            ToscaServiceTemplate toscaServiceTemplate) {
         // Pass respective PolicyTypes or Policies as part of toscaServiceTemplateFragment
         if (toscaServiceTemplate.getPolicyTypes() == null
-            && toscaServiceTemplate.getToscaTopologyTemplate().getPolicies() == null) {
+                && toscaServiceTemplate.getToscaTopologyTemplate().getPolicies() == null) {
             return;
         }
         ToscaServiceTemplate toscaServiceTemplateFragment = new ToscaServiceTemplate();
@@ -107,8 +123,8 @@ public class AcmUtils {
      * @param commonPropertiesMap common properties map
      */
     public static void prepareParticipantDefinitionUpdate(ToscaConceptIdentifier acParticipantType, String entryKey,
-        ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates,
-        Map<String, ToscaNodeType> commonPropertiesMap) {
+            ToscaNodeTemplate entryValue, List<ParticipantDefinition> participantDefinitionUpdates,
+            Map<String, ToscaNodeType> commonPropertiesMap) {
 
         var acDefinition = new AutomationCompositionElementDefinition();
         acDefinition.setAcElementDefinitionId(new ToscaConceptIdentifier(entryKey, entryValue.getVersion()));
@@ -123,8 +139,8 @@ public class AcmUtils {
         List<AutomationCompositionElementDefinition> automationCompositionElementDefinitionList = new ArrayList<>();
 
         if (participantDefinitionUpdates.isEmpty()) {
-            participantDefinitionUpdates.add(
-                getParticipantDefinition(acDefinition, acParticipantType, automationCompositionElementDefinitionList));
+            participantDefinitionUpdates.add(getParticipantDefinition(acDefinition, acParticipantType,
+                    automationCompositionElementDefinitionList));
         } else {
             var participantExists = false;
             for (ParticipantDefinition participantDefinitionUpdate : participantDefinitionUpdates) {
@@ -135,18 +151,207 @@ public class AcmUtils {
             }
             if (!participantExists) {
                 participantDefinitionUpdates.add(getParticipantDefinition(acDefinition, acParticipantType,
-                    automationCompositionElementDefinitionList));
+                        automationCompositionElementDefinitionList));
             }
         }
     }
 
     private static ParticipantDefinition getParticipantDefinition(AutomationCompositionElementDefinition acDefinition,
-        ToscaConceptIdentifier acParticipantType,
-        List<AutomationCompositionElementDefinition> automationCompositionElementDefinitionList) {
+            ToscaConceptIdentifier acParticipantType,
+            List<AutomationCompositionElementDefinition> automationCompositionElementDefinitionList) {
         var participantDefinition = new ParticipantDefinition();
         participantDefinition.setParticipantType(acParticipantType);
         automationCompositionElementDefinitionList.add(acDefinition);
         participantDefinition.setAutomationCompositionElementDefinitionList(automationCompositionElementDefinitionList);
         return participantDefinition;
     }
+
+    /**
+     * Validate AutomationComposition.
+     *
+     * @param automationComposition AutomationComposition to validate
+     * @param serviceTemplate the service template
+     * @return the result of validation
+     */
+    public static BeanValidationResult validateAutomationComposition(AutomationComposition automationComposition,
+            ToscaServiceTemplate serviceTemplate) {
+        var result = new BeanValidationResult(ENTRY + automationComposition.getDefinition().getName(),
+                automationComposition);
+
+        var map = getMapToscaNodeTemplates(serviceTemplate);
+
+        var toscaNodeTemplate = map.get(new ToscaConceptIdentifier(automationComposition.getDefinition().getName(),
+                automationComposition.getDefinition().getVersion()));
+
+        if (toscaNodeTemplate == null || !AUTOMATION_COMPOSITION_NODE_TYPE.equals(toscaNodeTemplate.getType())) {
+            result.addResult(
+                    new ObjectValidationResult("AutomationComposition", automationComposition.getDefinition().getName(),
+                            ValidationStatus.INVALID, "Commissioned automation composition definition not found"));
+        } else {
+
+            var acElementDefinitions = getAutomationCompositionElementDefinitions(map, toscaNodeTemplate);
+
+            // @formatter:off
+            var definitions = acElementDefinitions
+                    .stream()
+                    .map(nodeTemplate -> nodeTemplate.getKey().asIdentifier())
+                    .collect(Collectors.toMap(ToscaConceptIdentifier::getName, UnaryOperator.identity()));
+            // @formatter:on
+
+            for (var element : automationComposition.getElements().values()) {
+                result.addResult(validateDefinition(definitions, element.getDefinition()));
+            }
+        }
+
+        return result;
+
+    }
+
+    private static ValidationResult validateDefinition(Map<String, ToscaConceptIdentifier> definitions,
+            ToscaConceptIdentifier definition) {
+        var result = new BeanValidationResult(ENTRY + definition.getName(), definition);
+        var identifier = definitions.get(definition.getName());
+        if (identifier == null) {
+            result.setResult(ValidationStatus.INVALID, "Not found");
+        } else if (!identifier.equals(definition)) {
+            result.setResult(ValidationStatus.INVALID, "Version not matching");
+        }
+        return (result.isClean() ? null : result);
+    }
+
+    private static Map<ToscaConceptIdentifier, ToscaNodeTemplate> getMapToscaNodeTemplates(
+            ToscaServiceTemplate serviceTemplate) {
+        if (serviceTemplate.getToscaTopologyTemplate() == null
+                || MapUtils.isEmpty(serviceTemplate.getToscaTopologyTemplate().getNodeTemplates())) {
+            return Map.of();
+        }
+        var list = serviceTemplate.getToscaTopologyTemplate().getNodeTemplates().values();
+        return list.stream().collect(Collectors
+                .toMap(node -> new ToscaConceptIdentifier(node.getName(), node.getVersion()), Function.identity()));
+    }
+
+    private static List<ToscaNodeTemplate> getAutomationCompositionElementDefinitions(
+            Map<ToscaConceptIdentifier, ToscaNodeTemplate> map, ToscaNodeTemplate automationCompositionNodeTemplate) {
+
+        if (MapUtils.isEmpty(automationCompositionNodeTemplate.getProperties())) {
+            return Collections.emptyList();
+        }
+
+        @SuppressWarnings("unchecked")
+        var automationCompositionElements =
+                (List<Map<String, String>>) automationCompositionNodeTemplate.getProperties().get("elements");
+
+        if (CollectionUtils.isEmpty(automationCompositionElements)) {
+            return Collections.emptyList();
+        }
+
+        // @formatter:off
+        return automationCompositionElements
+                .stream()
+                .map(elementMap ->
+                    map.get(new ToscaConceptIdentifier(elementMap.get("name"), elementMap.get("version"))))
+                .collect(Collectors.toList());
+        // @formatter:on
+    }
+
+    /**
+     * Get the initial node types with common or instance properties.
+     *
+     * @param fullNodeTypes map of all the node types in the specified template
+     * @param common boolean to indicate whether common or instance properties are required
+     * @return node types map that only has common properties
+     */
+    private static Map<String, ToscaNodeType> getInitialNodeTypesMap(Map<String, ToscaNodeType> fullNodeTypes,
+            boolean common) {
+
+        var tempNodeTypesMap = new HashMap<String, ToscaNodeType>();
+
+        fullNodeTypes.forEach((key, nodeType) -> {
+            var tempToscaNodeType = new ToscaNodeType();
+            tempToscaNodeType.setName(key);
+
+            var resultantPropertyMap = findCommonOrInstancePropsInNodeTypes(nodeType, common);
+
+            if (!resultantPropertyMap.isEmpty()) {
+                tempToscaNodeType.setProperties(resultantPropertyMap);
+                tempNodeTypesMap.put(key, tempToscaNodeType);
+            }
+        });
+        return tempNodeTypesMap;
+    }
+
+    private static Map<String, ToscaProperty> findCommonOrInstancePropsInNodeTypes(ToscaNodeType nodeType,
+            boolean common) {
+
+        var tempCommonPropertyMap = new HashMap<String, ToscaProperty>();
+        var tempInstancePropertyMap = new HashMap<String, ToscaProperty>();
+
+        nodeType.getProperties().forEach((propKey, prop) -> {
+
+            if (prop.getMetadata() != null) {
+                prop.getMetadata().forEach((k, v) -> {
+                    if (k.equals("common") && v.equals("true") && common) {
+                        tempCommonPropertyMap.put(propKey, prop);
+                    } else if (k.equals("common") && v.equals("false") && !common) {
+                        tempInstancePropertyMap.put(propKey, prop);
+                    }
+
+                });
+            } else {
+                tempInstancePropertyMap.put(propKey, prop);
+            }
+        });
+
+        if (tempCommonPropertyMap.isEmpty() && !common) {
+            return tempInstancePropertyMap;
+        } else {
+            return tempCommonPropertyMap;
+        }
+    }
+
+    /**
+     * Get the node types derived from those that have common properties.
+     *
+     * @param initialNodeTypes map of all the node types in the specified template
+     * @param filteredNodeTypes map of all the node types that have common or instance properties
+     * @return all node types that have common properties including their children
+     * @throws PfModelException on errors getting node type with common properties
+     */
+    private static Map<String, ToscaNodeType> getFinalNodeTypesMap(Map<String, ToscaNodeType> initialNodeTypes,
+            Map<String, ToscaNodeType> filteredNodeTypes) {
+        for (var i = 0; i < initialNodeTypes.size(); i++) {
+            initialNodeTypes.forEach((key, nodeType) -> {
+                var tempToscaNodeType = new ToscaNodeType();
+                tempToscaNodeType.setName(key);
+
+                if (filteredNodeTypes.get(nodeType.getDerivedFrom()) != null) {
+                    tempToscaNodeType.setName(key);
+
+                    var finalProps = new HashMap<String, ToscaProperty>(
+                            filteredNodeTypes.get(nodeType.getDerivedFrom()).getProperties());
+
+                    tempToscaNodeType.setProperties(finalProps);
+                } else {
+                    return;
+                }
+                filteredNodeTypes.putIfAbsent(key, tempToscaNodeType);
+
+            });
+        }
+        return filteredNodeTypes;
+    }
+
+    /**
+     * Get the requested node types with common or instance properties.
+     *
+     * @param common boolean indicating common or instance properties
+     * @param serviceTemplate the ToscaServiceTemplate
+     * @return the node types with common or instance properties
+     */
+    public static Map<String, ToscaNodeType> getCommonOrInstancePropertiesFromNodeTypes(boolean common,
+            ToscaServiceTemplate serviceTemplate) {
+        var tempNodeTypesMap = getInitialNodeTypesMap(serviceTemplate.getNodeTypes(), common);
+
+        return getFinalNodeTypesMap(serviceTemplate.getNodeTypes(), tempNodeTypesMap);
+    }
 }