Draft of op policy

First draft of the Operational policy based on JsonEditor, it's a wip
code

Issue-ID: CLAMP-430
Change-Id: I2c7970e94488f4020377fd9d4d00691a3590b13e
Signed-off-by: sebdet <sebastien.determe@intl.att.com>

5 files changed, 259 insertions, 68 deletions

diff --git a/src/main/java/org/onap/clamp/loop/Loop.java b/src/main/java/org/onap/clamp/loop/Loop.java
index 2393f2498..37d597eeb 100644
--- a/src/main/java/org/onap/clamp/loop/Loop.java
+++ b/src/main/java/org/onap/clamp/loop/Loop.java
@@ -23,9 +23,13 @@
 
 package org.onap.clamp.loop;
 
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
 import com.google.gson.JsonObject;
+import com.google.gson.JsonSyntaxException;
 import com.google.gson.annotations.Expose;
 
+import java.io.IOException;
 import java.io.Serializable;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -59,6 +63,7 @@ import org.onap.clamp.loop.components.external.PolicyComponent;
 import org.onap.clamp.loop.log.LoopLog;
 import org.onap.clamp.policy.microservice.MicroServicePolicy;
 import org.onap.clamp.policy.operational.OperationalPolicy;
+import org.onap.clamp.policy.operational.OperationalPolicyRepresentationBuilder;
 
 @Entity
 @Table(name = "loops")
@@ -70,6 +75,9 @@ public class Loop implements Serializable {
      */
     private static final long serialVersionUID = -286522707701388642L;
 
+    @Transient
+    private static final EELFLogger logger = EELFManager.getInstance().getLogger(Loop.class);
+
     @Id
     @Expose
     @Column(nullable = false, name = "name", unique = true)
@@ -92,6 +100,11 @@ public class Loop implements Serializable {
 
     @Expose
     @Type(type = "json")
+    @Column(columnDefinition = "json", name = "operational_policy_schema")
+    private JsonObject operationalPolicySchema;
+
+    @Expose
+    @Type(type = "json")
     @Column(columnDefinition = "json", name = "global_properties_json")
     private JsonObject globalPropertiesJson;
 
@@ -131,6 +144,9 @@ public class Loop implements Serializable {
         this.addComponent(new DcaeComponent());
     }
 
+    /**
+     * Public constructor.
+     */
     public Loop() {
         initializeExternalComponents();
     }
@@ -256,6 +272,13 @@ public class Loop implements Serializable {
 
     void setModelPropertiesJson(JsonObject modelPropertiesJson) {
         this.modelPropertiesJson = modelPropertiesJson;
+        try {
+            this.operationalPolicySchema = OperationalPolicyRepresentationBuilder
+                    .generateOperationalPolicySchema(this.getModelPropertiesJson());
+        } catch (JsonSyntaxException | IOException | NullPointerException e) {
+            logger.error("Unable to generate the operational policy Schema ... ", e);
+            this.operationalPolicySchema = new JsonObject();
+        }
     }
 
     public Map<String, ExternalComponent> getComponents() {
@@ -273,20 +296,16 @@ public class Loop implements Serializable {
     /**
      * Generate the loop name.
      *
-     * @param serviceName
-     *        The service name
-     * @param serviceVersion
-     *        The service version
-     * @param resourceName
-     *        The resource name
-     * @param blueprintFileName
-     *        The blueprint file name
+     * @param serviceName       The service name
+     * @param serviceVersion    The service version
+     * @param resourceName      The resource name
+     * @param blueprintFileName The blueprint file name
      * @return The generated loop name
      */
     static String generateLoopName(String serviceName, String serviceVersion, String resourceName,
-        String blueprintFilename) {
+            String blueprintFilename) {
         StringBuilder buffer = new StringBuilder("LOOP_").append(serviceName).append("_v").append(serviceVersion)
-            .append("_").append(resourceName).append("_").append(blueprintFilename.replaceAll(".yaml", ""));
+                .append("_").append(resourceName).append("_").append(blueprintFilename.replaceAll(".yaml", ""));
         return buffer.toString().replace('.', '_').replaceAll(" ", "");
     }
 
diff --git a/src/main/java/org/onap/clamp/loop/LoopCsarInstaller.java b/src/main/java/org/onap/clamp/loop/LoopCsarInstaller.java
index ad13ad34d..41d34a224 100644
--- a/src/main/java/org/onap/clamp/loop/LoopCsarInstaller.java
+++ b/src/main/java/org/onap/clamp/loop/LoopCsarInstaller.java
@@ -99,10 +99,10 @@ public class LoopCsarInstaller implements CsarInstaller {
         boolean alreadyInstalled = true;
         for (Entry<String, BlueprintArtifact> blueprint : csar.getMapOfBlueprints().entrySet()) {
             alreadyInstalled = alreadyInstalled
-                && loopRepository.existsById(Loop.generateLoopName(csar.getSdcNotification().getServiceName(),
-                    csar.getSdcNotification().getServiceVersion(),
-                    blueprint.getValue().getResourceAttached().getResourceInstanceName(),
-                    blueprint.getValue().getBlueprintArtifactName()));
+                    && loopRepository.existsById(Loop.generateLoopName(csar.getSdcNotification().getServiceName(),
+                            csar.getSdcNotification().getServiceVersion(),
+                            blueprint.getValue().getResourceAttached().getResourceInstanceName(),
+                            blueprint.getValue().getBlueprintArtifactName()));
         }
         return alreadyInstalled;
     }
@@ -110,7 +110,7 @@ public class LoopCsarInstaller implements CsarInstaller {
     @Override
     @Transactional(propagation = Propagation.REQUIRED)
     public void installTheCsar(CsarHandler csar)
-        throws SdcArtifactInstallerException, InterruptedException, PolicyModelException {
+            throws SdcArtifactInstallerException, InterruptedException, PolicyModelException {
         try {
             logger.info("Installing the CSAR " + csar.getFilePath());
             for (Entry<String, BlueprintArtifact> blueprint : csar.getMapOfBlueprints().entrySet()) {
@@ -126,53 +126,53 @@ public class LoopCsarInstaller implements CsarInstaller {
     }
 
     private Loop createLoopFromBlueprint(CsarHandler csar, BlueprintArtifact blueprintArtifact)
-        throws IOException, ParseException, InterruptedException {
+            throws IOException, ParseException, InterruptedException {
         Loop newLoop = new Loop();
         newLoop.setBlueprint(blueprintArtifact.getDcaeBlueprint());
         newLoop.setName(Loop.generateLoopName(csar.getSdcNotification().getServiceName(),
-            csar.getSdcNotification().getServiceVersion(),
-            blueprintArtifact.getResourceAttached().getResourceInstanceName(),
-            blueprintArtifact.getBlueprintArtifactName()));
+                csar.getSdcNotification().getServiceVersion(),
+                blueprintArtifact.getResourceAttached().getResourceInstanceName(),
+                blueprintArtifact.getBlueprintArtifactName()));
         newLoop.setLastComputedState(LoopState.DESIGN);
 
         List<MicroService> microServicesChain = chainGenerator
-            .getChainOfMicroServices(blueprintParser.getMicroServices(blueprintArtifact.getDcaeBlueprint()));
+                .getChainOfMicroServices(blueprintParser.getMicroServices(blueprintArtifact.getDcaeBlueprint()));
         if (microServicesChain.isEmpty()) {
             microServicesChain = blueprintParser.fallbackToOneMicroService(blueprintArtifact.getDcaeBlueprint());
         }
-
-        newLoop
-            .setMicroServicePolicies(createMicroServicePolicies(microServicesChain, csar, blueprintArtifact, newLoop));
+        newLoop.setModelPropertiesJson(createModelPropertiesJson(csar));
+        newLoop.setMicroServicePolicies(
+                createMicroServicePolicies(microServicesChain, csar, blueprintArtifact, newLoop));
         newLoop.setOperationalPolicies(createOperationalPolicies(csar, blueprintArtifact, newLoop));
 
         newLoop.setSvgRepresentation(svgFacade.getSvgImage(microServicesChain));
         newLoop.setGlobalPropertiesJson(createGlobalPropertiesJson(blueprintArtifact, newLoop));
-        newLoop.setModelPropertiesJson(createModelPropertiesJson(csar));
+
         DcaeInventoryResponse dcaeResponse = queryDcaeToGetServiceTypeId(blueprintArtifact);
         newLoop.setDcaeBlueprintId(dcaeResponse.getTypeId());
         return newLoop;
     }
 
     private HashSet<OperationalPolicy> createOperationalPolicies(CsarHandler csar, BlueprintArtifact blueprintArtifact,
-        Loop newLoop) {
+            Loop newLoop) {
         return new HashSet<>(Arrays.asList(new OperationalPolicy(Policy.generatePolicyName("OPERATIONAL",
-            csar.getSdcNotification().getServiceName(), csar.getSdcNotification().getServiceVersion(),
-            blueprintArtifact.getResourceAttached().getResourceInstanceName(),
-            blueprintArtifact.getBlueprintArtifactName()), newLoop, new JsonObject())));
+                csar.getSdcNotification().getServiceName(), csar.getSdcNotification().getServiceVersion(),
+                blueprintArtifact.getResourceAttached().getResourceInstanceName(),
+                blueprintArtifact.getBlueprintArtifactName()), newLoop, new JsonObject())));
     }
 
     private HashSet<MicroServicePolicy> createMicroServicePolicies(List<MicroService> microServicesChain,
-        CsarHandler csar, BlueprintArtifact blueprintArtifact, Loop newLoop) throws IOException {
+            CsarHandler csar, BlueprintArtifact blueprintArtifact, Loop newLoop) throws IOException {
         HashSet<MicroServicePolicy> newSet = new HashSet<>();
 
         for (MicroService microService : microServicesChain) {
             MicroServicePolicy microServicePolicy = new MicroServicePolicy(
-                Policy.generatePolicyName(microService.getName(), csar.getSdcNotification().getServiceName(),
-                    csar.getSdcNotification().getServiceVersion(),
-                    blueprintArtifact.getResourceAttached().getResourceInstanceName(),
-                    blueprintArtifact.getBlueprintArtifactName()),
-                microService.getModelType(), csar.getPolicyModelYaml().orElse(""), false,
-                new HashSet<>(Arrays.asList(newLoop)));
+                    Policy.generatePolicyName(microService.getName(), csar.getSdcNotification().getServiceName(),
+                            csar.getSdcNotification().getServiceVersion(),
+                            blueprintArtifact.getResourceAttached().getResourceInstanceName(),
+                            blueprintArtifact.getBlueprintArtifactName()),
+                    microService.getModelType(), csar.getPolicyModelYaml().orElse(""), false,
+                    new HashSet<>(Arrays.asList(newLoop)));
 
             newSet.add(microServicePolicy);
             microService.setMappedNameJpa(microServicePolicy.getName());
@@ -191,8 +191,8 @@ public class LoopCsarInstaller implements CsarInstaller {
         // Loop on all Groups defined in the service (VFModule entries type:
         // org.openecomp.groups.VfModule)
         for (IEntityDetails entity : csar.getSdcCsarHelper().getEntity(
-            EntityQuery.newBuilder(EntityTemplateType.GROUP).build(),
-            TopologyTemplateQuery.newBuilder(SdcTypes.SERVICE).build(), false)) {
+                EntityQuery.newBuilder(EntityTemplateType.GROUP).build(),
+                TopologyTemplateQuery.newBuilder(SdcTypes.SERVICE).build(), false)) {
             // Get all metadata info
             JsonObject allVfProps = (JsonObject) JsonUtils.GSON.toJsonTree(entity.getMetadata().getAllProperties());
             vfModuleProps.add(entity.getMetadata().getAllProperties().get("vfModuleModelName"), allVfProps);
@@ -200,7 +200,7 @@ public class LoopCsarInstaller implements CsarInstaller {
             // volume_group, etc ... fields under the VFmodule name
             for (Entry<String, Property> additionalProp : entity.getProperties().entrySet()) {
                 allVfProps.add(additionalProp.getValue().getName(),
-                    JsonUtils.GSON.toJsonTree(additionalProp.getValue().getValue()));
+                        JsonUtils.GSON.toJsonTree(additionalProp.getValue().getValue()));
             }
         }
         return vfModuleProps;
@@ -214,7 +214,7 @@ public class LoopCsarInstaller implements CsarInstaller {
             // For each type, get the metadata of each nodetemplate
             for (NodeTemplate nodeTemplate : csar.getSdcCsarHelper().getServiceNodeTemplateBySdcType(type)) {
                 resourcesPropByType.add(nodeTemplate.getName(),
-                    JsonUtils.GSON.toJsonTree(nodeTemplate.getMetaData().getAllProperties()));
+                        JsonUtils.GSON.toJsonTree(nodeTemplate.getMetaData().getAllProperties()));
             }
             resourcesProp.add(type.getValue(), resourcesPropByType);
         }
@@ -225,7 +225,7 @@ public class LoopCsarInstaller implements CsarInstaller {
         JsonObject modelProperties = new JsonObject();
         // Add service details
         modelProperties.add("serviceDetails", JsonUtils.GSON.fromJson(
-            JsonUtils.GSON.toJson(csar.getSdcCsarHelper().getServiceMetadataAllProperties()), JsonObject.class));
+                JsonUtils.GSON.toJson(csar.getSdcCsarHelper().getServiceMetadataAllProperties()), JsonObject.class));
         // Add properties details for each type, VfModule, VF, VFC, ....
         JsonObject resourcesProp = createServicePropertiesByType(csar);
         resourcesProp.add("VFModule", createVfModuleProperties(csar));
@@ -237,7 +237,7 @@ public class LoopCsarInstaller implements CsarInstaller {
         JsonObject node = new JsonObject();
         Yaml yaml = new Yaml();
         Map<String, Object> inputsNodes = ((Map<String, Object>) ((Map<String, Object>) yaml
-            .load(blueprintArtifact.getDcaeBlueprint())).get("inputs"));
+                .load(blueprintArtifact.getDcaeBlueprint())).get("inputs"));
         inputsNodes.entrySet().stream().filter(e -> !e.getKey().contains("policy_id")).forEach(elem -> {
             Object defaultValue = ((Map<String, Object>) elem.getValue()).get("default");
             if (defaultValue != null) {
@@ -258,10 +258,10 @@ public class LoopCsarInstaller implements CsarInstaller {
      * @return The DcaeInventoryResponse object containing the dcae values
      */
     private DcaeInventoryResponse queryDcaeToGetServiceTypeId(BlueprintArtifact blueprintArtifact)
-        throws IOException, ParseException, InterruptedException {
+            throws IOException, ParseException, InterruptedException {
         return dcaeInventoryService.getDcaeInformation(blueprintArtifact.getBlueprintArtifactName(),
-            blueprintArtifact.getBlueprintInvariantServiceUuid(),
-            blueprintArtifact.getResourceAttached().getResourceInvariantUUID());
+                blueprintArtifact.getBlueprintInvariantServiceUuid(),
+                blueprintArtifact.getResourceAttached().getResourceInvariantUUID());
     }
 
     private void addPropertyToNode(JsonObject node, String key, Object value) {
diff --git a/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java b/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
index 33148f0b6..dd156d8f3 100644
--- a/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
+++ b/src/main/java/org/onap/clamp/policy/operational/LegacyOperationalPolicy.java
@@ -25,6 +25,7 @@ package org.onap.clamp.policy.operational;
 
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -33,16 +34,15 @@ import java.util.Map.Entry;
 import java.util.TreeMap;
 
 import org.apache.commons.lang3.math.NumberUtils;
+import org.onap.clamp.loop.Loop;
 import org.yaml.snakeyaml.DumperOptions;
 import org.yaml.snakeyaml.DumperOptions.ScalarStyle;
 import org.yaml.snakeyaml.Yaml;
 
 /**
- *
  * This class contains the code required to support the sending of Legacy
  * operational payload to policy engine. This will probably disappear in El
  * Alto.
- *
  */
 public class LegacyOperationalPolicy {
 
@@ -76,6 +76,13 @@ public class LegacyOperationalPolicy {
         return jsonElement;
     }
 
+    /**
+     * This method rework the payload attribute (yaml) that is normally wrapped in a
+     * string when coming from the UI.
+     * 
+     * @param policyJson The operational policy json config
+     * @return The same object reference but modified
+     */
     public static JsonElement reworkPayloadAttributes(JsonElement policyJson) {
         for (JsonElement policy : policyJson.getAsJsonObject().get("policies").getAsJsonArray()) {
             JsonElement payloadElem = policy.getAsJsonObject().get("payload");
@@ -135,9 +142,15 @@ public class LegacyOperationalPolicy {
         return mapResult;
     }
 
+    /**
+     * This method transforms the configuration json to a Yaml format.
+     * 
+     * @param operationalPolicyJsonElement The operational policy json config
+     * @return The Yaml as string
+     */
     public static String createPolicyPayloadYamlLegacy(JsonElement operationalPolicyJsonElement) {
         JsonElement opPolicy = fulfillPoliciesTreeField(
-            removeAllQuotes(reworkPayloadAttributes(operationalPolicyJsonElement.getAsJsonObject().deepCopy())));
+                removeAllQuotes(reworkPayloadAttributes(operationalPolicyJsonElement.getAsJsonObject().deepCopy())));
         Map<?, ?> jsonMap = createMap(opPolicy);
         DumperOptions options = new DumperOptions();
         options.setDefaultScalarStyle(ScalarStyle.PLAIN);
@@ -147,4 +160,22 @@ public class LegacyOperationalPolicy {
         options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
         return (new Yaml(options)).dump(jsonMap);
     }
+
+    /**
+     * This method load mandatory field in the operational policy configuration
+     * JSON.
+     * 
+     * @param configurationsJson The operational policy JSON
+     * @param loop               The parent loop object
+     */
+    public static void preloadConfiguration(JsonObject configurationsJson, Loop loop) {
+        if (configurationsJson.entrySet().isEmpty()) {
+            JsonObject controlLoopName = new JsonObject();
+            controlLoopName.addProperty("controlLoopName",
+                    loop != null ? loop.getName() : "Empty (NO loop loaded yet)");
+            JsonObject controlLoop = new JsonObject();
+            controlLoop.add("controlLoop", controlLoopName);
+            configurationsJson.add("operational_policy", controlLoop);
+        }
+    }
 }
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
index 62c5a1e9f..86f8ac391 100644
--- a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicy.java
@@ -38,7 +38,6 @@ import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Map.Entry;
 
 import javax.persistence.Column;
 import javax.persistence.Entity;
@@ -91,17 +90,16 @@ public class OperationalPolicy implements Serializable, Policy {
     /**
      * The constructor.
      *
-     * @param name
-     *        The name of the operational policy
-     * @param loop
-     *        The loop that uses this operational policy
-     * @param configurationsJson
-     *        The operational policy property in the format of json
+     * @param name               The name of the operational policy
+     * @param loop               The loop that uses this operational policy
+     * @param configurationsJson The operational policy property in the format of
+     *                           json
      */
     public OperationalPolicy(String name, Loop loop, JsonObject configurationsJson) {
         this.name = name;
         this.loop = loop;
         this.configurationsJson = configurationsJson;
+        LegacyOperationalPolicy.preloadConfiguration(this.configurationsJson, loop);
     }
 
     @Override
@@ -117,11 +115,6 @@ public class OperationalPolicy implements Serializable, Policy {
         return loop;
     }
 
-    @Override
-    public JsonObject getJsonRepresentation() {
-        return configurationsJson;
-    }
-
     public JsonObject getConfigurationsJson() {
         return configurationsJson;
     }
@@ -131,6 +124,11 @@ public class OperationalPolicy implements Serializable, Policy {
     }
 
     @Override
+    public JsonObject getJsonRepresentation() {
+        return null;
+    }
+
+    @Override
     public int hashCode() {
         final int prime = 31;
         int result = 1;
@@ -184,7 +182,7 @@ public class OperationalPolicy implements Serializable, Policy {
         metadata.addProperty("policy-id", this.name);
 
         operationalPolicyDetails.add("properties", LegacyOperationalPolicy
-            .reworkPayloadAttributes(this.configurationsJson.get("operational_policy").deepCopy()));
+                .reworkPayloadAttributes(this.configurationsJson.get("operational_policy").deepCopy()));
 
         Gson gson = new GsonBuilder().create();
 
@@ -204,9 +202,8 @@ public class OperationalPolicy implements Serializable, Policy {
         // Now using the legacy payload fo Dublin
         JsonObject payload = new JsonObject();
         payload.addProperty("policy-id", this.getName());
-        payload.addProperty("content", URLEncoder.encode(
-            LegacyOperationalPolicy.createPolicyPayloadYamlLegacy(this.configurationsJson.get("operational_policy")),
-            StandardCharsets.UTF_8.toString()));
+        payload.addProperty("content", URLEncoder.encode(LegacyOperationalPolicy.createPolicyPayloadYamlLegacy(
+                this.configurationsJson.get("operational_policy")), StandardCharsets.UTF_8.toString()));
         String opPayload = new GsonBuilder().setPrettyPrinting().create().toJson(payload);
         logger.info("Operational policy payload: " + opPayload);
         return opPayload;
@@ -222,11 +219,9 @@ public class OperationalPolicy implements Serializable, Policy {
 
         JsonElement guardsList = this.getConfigurationsJson().get("guard_policies");
         if (guardsList != null) {
-            for (Entry<String, JsonElement> guardElem : guardsList.getAsJsonObject().entrySet()) {
-                JsonObject guard = new JsonObject();
-                guard.addProperty("policy-id", guardElem.getKey());
-                guard.add("content", guardElem.getValue());
-                result.put(guardElem.getKey(), new GsonBuilder().create().toJson(guard));
+            for (JsonElement guardElem : guardsList.getAsJsonArray()) {
+                result.put(guardElem.getAsJsonObject().get("policy-id").getAsString(),
+                        new GsonBuilder().create().toJson(guardElem));
             }
         }
         logger.info("Guard policy payload: " + result);
diff --git a/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java
new file mode 100644
index 000000000..f6f3f498d
--- /dev/null
+++ b/src/main/java/org/onap/clamp/policy/operational/OperationalPolicyRepresentationBuilder.java
@@ -0,0 +1,146 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP CLAMP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights
+ *                             reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END============================================
+ * ===================================================================
+ *
+ */
+
+package org.onap.clamp.policy.operational;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonSyntaxException;
+
+import java.io.IOException;
+import java.util.Map.Entry;
+
+import org.onap.clamp.clds.util.JsonUtils;
+import org.onap.clamp.clds.util.ResourceFileUtil;
+
+public class OperationalPolicyRepresentationBuilder {
+
+    /**
+     * This method generates the operational policy json representation that will be
+     * used by ui for rendering. It uses the model (VF and VFModule) defined in the
+     * loop object to do so, so it's dynamic. It also uses the operational policy
+     * schema template defined in the resource folder.
+     * 
+     * @param modelJson The loop model json
+     * @return The json representation
+     * @throws JsonSyntaxException If the schema template cannot be parsed
+     * @throws IOException         In case of issue when opening the schema template
+     */
+    public static JsonObject generateOperationalPolicySchema(JsonObject modelJson)
+            throws JsonSyntaxException, IOException {
+        JsonObject jsonSchema = JsonUtils.GSON.fromJson(
+                ResourceFileUtil.getResourceAsString("clds/json-schema/operational_policies/operational_policy.json"),
+                JsonObject.class);
+        jsonSchema.get("schema").getAsJsonObject().get("items").getAsJsonObject().get("properties").getAsJsonObject()
+                .get("configurationsJson").getAsJsonObject().get("properties").getAsJsonObject()
+                .get("operational_policy").getAsJsonObject().get("properties").getAsJsonObject().get("policies")
+                .getAsJsonObject().get("items").getAsJsonObject().get("properties").getAsJsonObject().get("target")
+                .getAsJsonObject().get("anyOf").getAsJsonArray().addAll(createAnyOfArray(modelJson));
+        return jsonSchema;
+    }
+
+    private static JsonObject createSchemaProperty(String title, String type, String defaultValue, String readOnlyFlag,
+            String[] enumArray) {
+        JsonObject property = new JsonObject();
+        property.addProperty("title", title);
+        property.addProperty("type", type);
+        property.addProperty("default", defaultValue);
+        property.addProperty("readOnly", readOnlyFlag);
+
+        if (enumArray != null) {
+            JsonArray jsonArray = new JsonArray();
+            property.add("enum", jsonArray);
+            for (String val : enumArray) {
+                jsonArray.add(val);
+            }
+        }
+        return property;
+    }
+
+    private static JsonArray createVnfSchema(JsonObject modelJson) {
+        JsonArray vnfSchemaArray = new JsonArray();
+        JsonObject modelVnfs = modelJson.get("resourceDetails").getAsJsonObject().get("VF").getAsJsonObject();
+
+        for (Entry<String, JsonElement> entry : modelVnfs.entrySet()) {
+            JsonObject vnfOneOfSchema = new JsonObject();
+            vnfOneOfSchema.addProperty("title", "VNF" + "-" + entry.getKey());
+            JsonObject properties = new JsonObject();
+            properties.add("type", createSchemaProperty("Type", "string", "VNF", "True", null));
+            properties.add("resourceID", createSchemaProperty("Resource ID", "string",
+                    modelVnfs.get(entry.getKey()).getAsJsonObject().get("name").getAsString(), "True", null));
+
+            vnfOneOfSchema.add("properties", properties);
+            vnfSchemaArray.add(vnfOneOfSchema);
+        }
+        return vnfSchemaArray;
+    }
+
+    private static JsonArray createVfModuleSchema(JsonObject modelJson) {
+        JsonArray vfModuleOneOfSchemaArray = new JsonArray();
+        JsonObject modelVfModules = modelJson.get("resourceDetails").getAsJsonObject().get("VFModule")
+                .getAsJsonObject();
+
+        for (Entry<String, JsonElement> entry : modelVfModules.entrySet()) {
+            JsonObject vfModuleOneOfSchema = new JsonObject();
+            vfModuleOneOfSchema.addProperty("title", "VFMODULE" + "-" + entry.getKey());
+            JsonObject properties = new JsonObject();
+            properties.add("type", createSchemaProperty("Type", "string", "VFMODULE", "True", null));
+            properties.add("resourceID",
+                    createSchemaProperty("Resource ID", "string",
+                            modelVfModules.get(entry.getKey()).getAsJsonObject().get("vfModuleModelName").getAsString(),
+                            "True", null));
+            properties.add("modelInvariantId",
+                    createSchemaProperty("Model Invariant Id (ModelInvariantUUID)", "string", modelVfModules
+                            .get(entry.getKey()).getAsJsonObject().get("vfModuleModelInvariantUUID").getAsString(),
+                            "True", null));
+            properties.add("modelVersionId",
+                    createSchemaProperty("Model Version Id (ModelUUID)", "string",
+                            modelVfModules.get(entry.getKey()).getAsJsonObject().get("vfModuleModelUUID").getAsString(),
+                            "True", null));
+            properties.add("modelName",
+                    createSchemaProperty("Model Name", "string",
+                            modelVfModules.get(entry.getKey()).getAsJsonObject().get("vfModuleModelName").getAsString(),
+                            "True", null));
+            properties.add("modelVersion", createSchemaProperty("Model Version", "string",
+                    modelVfModules.get(entry.getKey()).getAsJsonObject().get("vfModuleModelVersion").getAsString(),
+                    "True", null));
+            properties
+                    .add("modelCustomizationId",
+                            createSchemaProperty("Customization ID", "string", modelVfModules.get(entry.getKey())
+                                    .getAsJsonObject().get("vfModuleModelCustomizationUUID").getAsString(), "True",
+                                    null));
+
+            vfModuleOneOfSchema.add("properties", properties);
+            vfModuleOneOfSchemaArray.add(vfModuleOneOfSchema);
+        }
+        return vfModuleOneOfSchemaArray;
+    }
+
+    private static JsonArray createAnyOfArray(JsonObject modelJson) {
+        JsonArray targetOneOfStructure = new JsonArray();
+        targetOneOfStructure.addAll(createVnfSchema(modelJson));
+        targetOneOfStructure.addAll(createVfModuleSchema(modelJson));
+        return targetOneOfStructure;
+    }
+}