2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.clamp.controlloop.models.controlloop.persistence.provider;
23 import java.util.ArrayList;
24 import java.util.List;
25 import java.util.stream.Collectors;
26 import javax.ws.rs.core.Response;
27 import lombok.NonNull;
28 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.Participant;
29 import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipant;
30 import org.onap.policy.common.parameters.BeanValidationResult;
31 import org.onap.policy.models.base.PfConceptKey;
32 import org.onap.policy.models.base.PfModelException;
33 import org.onap.policy.models.base.PfModelRuntimeException;
34 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
35 import org.onap.policy.models.provider.impl.AbstractModelsProvider;
36 import org.onap.policy.models.tosca.authorative.concepts.ToscaTypedEntityFilter;
39 * This class provides information on participant concepts in the database to callers.
41 public class ParticipantProvider extends AbstractModelsProvider {
43 * Create a provider for participants.
45 * @param parameters the parameters for database access
46 * @throws PfModelException on initiation errors
48 public ParticipantProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
56 * @param name the name of the participant to get, null to get all participants
57 * @param version the version of the participant to get, null to get all participants
58 * @return the participants found
59 * @throws PfModelException on errors getting participants
61 public List<Participant> getParticipants(final String name, final String version) throws PfModelException {
63 return asParticipantList(getPfDao().getFiltered(JpaParticipant.class, name, version));
67 * Get filtered participants.
69 * @param filter the filter for the participants to get
70 * @return the participants found
71 * @throws PfModelException on errors getting policies
73 public List<Participant> getFilteredParticipants(@NonNull final ToscaTypedEntityFilter<Participant> filter) {
75 return filter.filter(asParticipantList(
76 getPfDao().getFiltered(JpaParticipant.class, filter.getName(), filter.getVersion())));
80 * Creates participants.
82 * @param participants a specification of the participants to create
83 * @return the participants created
84 * @throws PfModelException on errors creating participants
86 public List<Participant> createParticipants(@NonNull final List<Participant> participants) throws PfModelException {
88 BeanValidationResult validationResult = new BeanValidationResult("participants", participants);
90 for (Participant participant : participants) {
91 JpaParticipant jpaParticipant = new JpaParticipant();
92 jpaParticipant.fromAuthorative(participant);
94 validationResult.addResult(jpaParticipant.validate("participant"));
97 if (!validationResult.isValid()) {
98 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
101 for (Participant participant : participants) {
102 JpaParticipant jpaParticipant = new JpaParticipant();
103 jpaParticipant.fromAuthorative(participant);
105 getPfDao().create(jpaParticipant);
108 // Return the created participants
109 List<Participant> returnParticipants = new ArrayList<>(participants.size());
111 for (Participant participant : participants) {
112 JpaParticipant jpaParticipant = getPfDao().get(JpaParticipant.class,
113 new PfConceptKey(participant.getName(), participant.getVersion()));
114 returnParticipants.add(jpaParticipant.toAuthorative());
117 return returnParticipants;
121 * Updates participants.
123 * @param participants a specification of the participants to update
124 * @return the participants updated
125 * @throws PfModelException on errors updating participants
127 public List<Participant> updateParticipants(@NonNull final List<Participant> participants) throws PfModelException {
129 BeanValidationResult validationResult = new BeanValidationResult("participants", participants);
131 for (Participant participant : participants) {
132 JpaParticipant jpaParticipant = new JpaParticipant();
133 jpaParticipant.fromAuthorative(participant);
135 validationResult.addResult(jpaParticipant.validate("participant"));
138 if (!validationResult.isValid()) {
139 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, validationResult.getResult());
142 for (Participant participant : participants) {
143 JpaParticipant jpaParticipant = new JpaParticipant();
144 jpaParticipant.fromAuthorative(participant);
146 getPfDao().update(jpaParticipant);
149 // Return the created participants
150 List<Participant> returnParticipants = new ArrayList<>(participants.size());
152 for (Participant participant : participants) {
153 JpaParticipant jpaParticipant = getPfDao().get(JpaParticipant.class,
154 new PfConceptKey(participant.getName(), participant.getVersion()));
155 returnParticipants.add(jpaParticipant.toAuthorative());
158 return returnParticipants;
162 * Delete a participant.
164 * @param name the name of the participant to delete
165 * @param version the version of the participant to get
166 * @return the participant deleted
167 * @throws PfModelException on errors deleting participants
169 public Participant deleteParticipant(@NonNull final String name, @NonNull final String version) {
171 PfConceptKey participantKey = new PfConceptKey(name, version);
173 JpaParticipant jpaDeleteParticipant = getPfDao().get(JpaParticipant.class, participantKey);
175 if (jpaDeleteParticipant == null) {
176 String errorMessage =
177 "delete of participant \"" + participantKey.getId() + "\" failed, participant does not exist";
178 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
181 getPfDao().delete(jpaDeleteParticipant);
183 return jpaDeleteParticipant.toAuthorative();
187 * Convert JPA participant list to an authorative participant list.
189 * @param foundParticipants the list to convert
190 * @return the authorative list
192 private List<Participant> asParticipantList(List<JpaParticipant> jpaParticipantList) {
193 return jpaParticipantList.stream().map(JpaParticipant::toAuthorative).collect(Collectors.toList());