2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END============================================
20 * ===================================================================
24 package org.onap.clamp.loop.template;
26 import com.google.gson.JsonArray;
27 import com.google.gson.JsonObject;
28 import java.util.ArrayList;
29 import java.util.Collections;
30 import java.util.List;
31 import org.onap.clamp.clds.tosca.ToscaSchemaConstants;
32 import org.onap.clamp.clds.tosca.ToscaYamlToJsonConvertor;
33 import org.onap.clamp.policy.pdpgroup.PdpGroup;
34 import org.onap.clamp.util.SemanticVersioning;
35 import org.springframework.beans.factory.annotation.Autowired;
36 import org.springframework.stereotype.Service;
37 import org.springframework.transaction.annotation.Propagation;
38 import org.springframework.transaction.annotation.Transactional;
41 public class PolicyModelsService {
42 private final PolicyModelsRepository policyModelsRepository;
43 private ToscaYamlToJsonConvertor toscaYamlToJsonConvertor;
46 public PolicyModelsService(PolicyModelsRepository policyModelrepo,
47 ToscaYamlToJsonConvertor convertor) {
48 policyModelsRepository = policyModelrepo;
49 toscaYamlToJsonConvertor = convertor;
53 * Save or Update Policy Model.
57 * @return The Policy Model
59 public PolicyModel saveOrUpdatePolicyModel(PolicyModel policyModel) {
60 return policyModelsRepository.save(policyModel);
64 * Verify whether Policy Model exist by ID.
66 * @param policyModelId
68 * @return The flag indicates whether Policy Model exist
70 public boolean existsById(PolicyModelId policyModelId) {
71 return policyModelsRepository.existsById(policyModelId);
75 * Creates or updates the Tosca Policy Model.
77 * @param policyModelType The policyModeltype in Tosca yaml
78 * @param policyModelTosca The Policymodel object
79 * @return The Policy Model created
81 public PolicyModel createNewPolicyModelFromTosca(String policyModelType,
82 String policyModelTosca) {
83 JsonObject jsonObject = toscaYamlToJsonConvertor.validateAndConvertToJson(policyModelTosca);
84 String policyModelTypeFromTosca = toscaYamlToJsonConvertor.getValueFromMetadata(jsonObject,
85 ToscaSchemaConstants.METADATA_POLICY_MODEL_TYPE);
86 String policyModelTypeToUse = policyModelTypeFromTosca != null ? policyModelTypeFromTosca : policyModelType;
87 Iterable<PolicyModel> models = getAllPolicyModelsByType(policyModelTypeToUse);
88 Collections.sort((List<PolicyModel>) models);
89 PolicyModel newPolicyModel = new PolicyModel(policyModelTypeToUse, policyModelTosca,
90 SemanticVersioning.incrementMajorVersion(
91 ((ArrayList) models).isEmpty() ? null : ((ArrayList<PolicyModel>) models).get(0).getVersion()),
92 toscaYamlToJsonConvertor.getValueFromMetadata(jsonObject,
93 ToscaSchemaConstants.METADATA_ACRONYM));
94 return saveOrUpdatePolicyModel(newPolicyModel);
98 * Update an existing Tosca Policy Model.
100 * @param policyModelType The policy Model type in Tosca yaml
101 * @param policyModelVersion The policy Version to update
102 * @param policyModelTosca The Policy Model tosca
103 * @return The Policy Model updated
105 public PolicyModel updatePolicyModelTosca(String policyModelType, String policyModelVersion,
106 String policyModelTosca) {
107 JsonObject jsonObject = toscaYamlToJsonConvertor.validateAndConvertToJson(policyModelTosca);
108 PolicyModel thePolicyModel = getPolicyModelByType(policyModelType, policyModelVersion);
109 thePolicyModel.setPolicyAcronym(toscaYamlToJsonConvertor.getValueFromMetadata(jsonObject,
110 ToscaSchemaConstants.METADATA_ACRONYM));
111 thePolicyModel.setPolicyModelTosca(policyModelTosca);
112 return saveOrUpdatePolicyModel(thePolicyModel);
115 public List<String> getAllPolicyModelTypes() {
116 return policyModelsRepository.getAllPolicyModelType();
119 public Iterable<PolicyModel> getAllPolicyModels() {
120 return policyModelsRepository.findAll();
123 public PolicyModel getPolicyModel(String type, String version) {
124 return policyModelsRepository.findById(new PolicyModelId(type, version)).orElse(null);
127 public Iterable<PolicyModel> getAllPolicyModelsByType(String type) {
128 return policyModelsRepository.findByPolicyModelType(type);
131 public PolicyModel getPolicyModelByType(String type, String version) {
132 return policyModelsRepository.findById(new PolicyModelId(type, version)).orElse(null);
136 * Retrieves the Tosca model Yaml string.
138 * @param type The Policy Model Type
139 * @param version The policy model version
140 * @return The Tosca model Yaml string
142 public String getPolicyModelTosca(String type, String version) {
143 return policyModelsRepository.findById(new PolicyModelId(type, version)).orElse(new PolicyModel())
144 .getPolicyModelTosca();
148 * This method creates an PolicyModel in Db if it does not exist.
150 * @param policyModel The policyModel to save
152 @Transactional(propagation = Propagation.REQUIRES_NEW)
153 public void createPolicyInDbIfNeeded(PolicyModel policyModel) {
154 if (!policyModelsRepository
155 .existsById(new PolicyModelId(policyModel.getPolicyModelType(), policyModel.getVersion()))) {
156 policyModelsRepository.save(policyModel);
161 * Update the Pdp Group info in Policy Model DB.
163 * @param pdpGroupList The list of Pdp Group info received from Policy Engine
165 public void updatePdpGroupInfo(List<PdpGroup> pdpGroupList) {
166 List<PolicyModel> policyModelList = policyModelsRepository.findAll();
167 for (PolicyModel policyModel : policyModelList) {
168 JsonArray supportedPdpGroups = new JsonArray();
169 for (PdpGroup pdpGroup : pdpGroupList) {
170 JsonObject supportedPdpGroup = pdpGroup.getSupportedSubgroups(policyModel.getPolicyModelType(),
171 policyModel.getVersion());
172 if (supportedPdpGroup != null) {
173 supportedPdpGroups.add(supportedPdpGroup);
177 if (supportedPdpGroups.size() > 0) {
178 JsonObject supportedPdpJson = new JsonObject ();
179 supportedPdpJson.add("supportedPdpGroups", supportedPdpGroups);
180 policyModel.setPolicyPdpGroup(supportedPdpJson);
181 policyModelsRepository.save(policyModel);