2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019-2021 Nordix Foundation.
6 * Modifications Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
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.
20 * SPDX-License-Identifier: Apache-2.0
21 * ============LICENSE_END=========================================================
24 package org.onap.policy.models.pdp.persistence.provider;
26 import java.time.Instant;
27 import java.util.ArrayList;
28 import java.util.List;
29 import java.util.stream.Collectors;
30 import javax.ws.rs.core.Response;
31 import lombok.NonNull;
32 import org.onap.policy.common.parameters.BeanValidationResult;
33 import org.onap.policy.models.base.PfGeneratedIdKey;
34 import org.onap.policy.models.base.PfKey;
35 import org.onap.policy.models.base.PfModelException;
36 import org.onap.policy.models.base.PfModelRuntimeException;
37 import org.onap.policy.models.dao.PfDao;
38 import org.onap.policy.models.dao.PfFilterParameters;
39 import org.onap.policy.models.pdp.concepts.PdpStatistics;
40 import org.onap.policy.models.pdp.persistence.concepts.JpaPdpStatistics;
44 * This class provides the provision of information on PAP concepts in the database to callers.
46 * @author Ning Xi (ning.xi@est.tech)
48 public class PdpStatisticsProvider {
53 * @param dao the DAO to use to access the database
54 * @param name the name of the PDP statistics to get, null to get all PDPs
55 * @return the PDP statistics found
56 * @throws PfModelException on errors getting PDP statistics
58 public List<PdpStatistics> getPdpStatistics(@NonNull final PfDao dao, final String name, final Instant timeStamp)
59 throws PfModelException {
60 if (name != null && timeStamp != null) {
61 return asPdpStatisticsList(dao.getByTimestamp(JpaPdpStatistics.class,
62 new PfGeneratedIdKey(name, PfKey.NULL_KEY_VERSION), timeStamp));
64 return asPdpStatisticsList(dao.getAll(JpaPdpStatistics.class));
71 * @param dao the DAO to use to access the database
72 * @param name the name of the PDP statistics to get, null to get all PDPs
73 * @return the PDP statistics found
74 * @throws PfModelException on errors getting PDP statistics
76 public List<PdpStatistics> getPdpStatistics(@NonNull final PfDao dao, final String name)
77 throws PfModelException {
79 List<PdpStatistics> pdpStatistics = new ArrayList<>();
82 .add(dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(name, PfKey.NULL_KEY_VERSION))
85 return asPdpStatisticsList(dao.getAll(JpaPdpStatistics.class));
91 * Get filtered PDP statistics.
93 * @param dao the DAO to use to access the database
94 * @param filterParams filter parameters
95 * @return the PDP statistics found
96 * @throws PfModelException on errors getting policies
98 public List<PdpStatistics> getFilteredPdpStatistics(@NonNull final PfDao dao,
99 PdpFilterParameters filterParams) {
100 return asPdpStatisticsList(dao.getFiltered(JpaPdpStatistics.class, filterParams));
104 * Creates PDP statistics.
106 * @param dao the DAO to use to access the database
107 * @param pdpStatisticsList a specification of the PDP statistics to create
108 * @return the PDP statistics created
109 * @throws PfModelException on errors creating PDP statistics
111 public List<PdpStatistics> createPdpStatistics(@NonNull final PfDao dao,
112 @NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
113 for (PdpStatistics pdpStatistics : pdpStatisticsList) {
114 var jpaPdpStatistics = new JpaPdpStatistics();
115 jpaPdpStatistics.fromAuthorative(pdpStatistics);
116 BeanValidationResult validationResult = jpaPdpStatistics.validate("pdp statistics");
117 if (!validationResult.isValid()) {
118 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
121 dao.create(jpaPdpStatistics);
122 pdpStatistics.setGeneratedId(jpaPdpStatistics.getKey().getGeneratedId());
125 // Return the created PDP statistics
126 List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
128 for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
129 var jpaPdpStatistics =
130 dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(pdpStatisticsItem.getPdpInstanceId(),
131 PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getGeneratedId()));
132 pdpStatistics.add(jpaPdpStatistics.toAuthorative());
134 return pdpStatistics;
138 * Updates PDP statistics.
140 * @param dao the DAO to use to access the database
141 * @param pdpStatisticsList a specification of the PDP statistics to update
142 * @return the PDP statistics updated
143 * @throws PfModelException on errors updating PDP statistics
145 public List<PdpStatistics> updatePdpStatistics(@NonNull final PfDao dao,
146 @NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
148 for (PdpStatistics pdpStatistics : pdpStatisticsList) {
149 var jpaPdpStatistics = new JpaPdpStatistics();
150 jpaPdpStatistics.fromAuthorative(pdpStatistics);
152 BeanValidationResult validationResult = jpaPdpStatistics.validate("pdp statistics");
153 if (!validationResult.isValid()) {
154 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
157 dao.update(jpaPdpStatistics);
160 // Return the created PDP statistics
161 List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
163 for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
164 var jpaPdpStatistics =
165 dao.get(JpaPdpStatistics.class, new PfGeneratedIdKey(pdpStatisticsItem.getPdpInstanceId(),
166 PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getGeneratedId()));
167 pdpStatistics.add(jpaPdpStatistics.toAuthorative());
170 return pdpStatistics;
174 * Delete a PDP statistics.
176 * @param dao the DAO to use to access the database
177 * @param name the name of the policy to get, null to get all PDP statistics
178 * @param timestamp the timeStamp of statistics to delete, null to delete all statistics record of given PDP
179 * @return the PDP statistics list deleted
180 * @throws PfModelException on errors deleting PDP statistics
182 public List<PdpStatistics> deletePdpStatistics(@NonNull final PfDao dao, @NonNull final String name,
183 final Instant timestamp) {
184 List<PdpStatistics> pdpStatisticsListToDel = asPdpStatisticsList(dao.getFiltered(JpaPdpStatistics.class,
185 PfFilterParameters.builder().name(name).startTime(timestamp).endTime(timestamp).build()));
187 pdpStatisticsListToDel.stream().forEach(s -> dao.delete(JpaPdpStatistics.class,
188 new PfGeneratedIdKey(s.getPdpInstanceId(), PfKey.NULL_KEY_VERSION, s.getGeneratedId())));
190 return pdpStatisticsListToDel;
194 * Convert JPA PDP statistics list to an PDP statistics list.
196 * @param jpaPdpStatisticsList the list to convert
197 * @return the PDP statistics list
199 private List<PdpStatistics> asPdpStatisticsList(List<JpaPdpStatistics> jpaPdpStatisticsList) {
200 return jpaPdpStatisticsList.stream().map(JpaPdpStatistics::toAuthorative).collect(Collectors.toList());