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.models.base.PfConceptKey;
31 import org.onap.policy.models.base.PfModelException;
32 import org.onap.policy.models.base.PfModelRuntimeException;
33 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
34 import org.onap.policy.models.provider.impl.AbstractModelsProvider;
35 import org.onap.policy.models.tosca.authorative.concepts.ToscaTypedEntityFilter;
36 import org.springframework.stereotype.Component;
39 * This class provides information on participant concepts in the database to callers.
42 public class ParticipantProvider extends AbstractModelsProvider {
44 * Create a provider for participants.
46 * @param parameters the parameters for database access
47 * @throws PfModelException on initiation errors
49 public ParticipantProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
57 * @param name the name of the participant to get, null to get all participants
58 * @param version the version of the participant to get, null to get all participants
59 * @return the participants found
60 * @throws PfModelException on errors getting participants
62 public List<Participant> getParticipants(final String name, final String version) throws PfModelException {
64 return asParticipantList(getPfDao().getFiltered(JpaParticipant.class, name, version));
68 * Get filtered participants.
70 * @param filter the filter for the participants to get
71 * @return the participants found
72 * @throws PfModelException on errors getting policies
74 public List<Participant> getFilteredParticipants(@NonNull final ToscaTypedEntityFilter<Participant> filter) {
77 asParticipantList(getPfDao().getFiltered(JpaParticipant.class, filter.getName(), filter.getVersion())));
81 * Creates participants.
83 * @param participants a specification of the participants to create
84 * @return the participants created
85 * @throws PfModelException on errors creating participants
87 public List<Participant> createParticipants(@NonNull final List<Participant> participants) throws PfModelException {
89 List<JpaParticipant> jpaParticipantList =
90 ProviderUtils.getJpaAndValidate(participants, JpaParticipant::new, "participant");
92 jpaParticipantList.forEach(jpaParticipant -> getPfDao().create(jpaParticipant));
94 // Return the created participants
95 List<Participant> returnParticipants = new ArrayList<>(participants.size());
97 for (Participant participant : participants) {
98 var jpaParticipant = getPfDao().get(JpaParticipant.class,
99 new PfConceptKey(participant.getName(), participant.getVersion()));
100 returnParticipants.add(jpaParticipant.toAuthorative());
103 return returnParticipants;
107 * Updates participants.
109 * @param participants a specification of the participants to update
110 * @return the participants updated
111 * @throws PfModelException on errors updating participants
113 public List<Participant> updateParticipants(@NonNull final List<Participant> participants) throws PfModelException {
115 List<JpaParticipant> jpaParticipantList =
116 ProviderUtils.getJpaAndValidate(participants, JpaParticipant::new, "participant");
118 jpaParticipantList.forEach(jpaParticipant -> getPfDao().update(jpaParticipant));
120 // Return the created participants
121 List<Participant> returnParticipants = new ArrayList<>(participants.size());
123 for (Participant participant : participants) {
124 var jpaParticipant = getPfDao().get(JpaParticipant.class,
125 new PfConceptKey(participant.getName(), participant.getVersion()));
126 returnParticipants.add(jpaParticipant.toAuthorative());
129 return returnParticipants;
133 * Delete a participant.
135 * @param name the name of the participant to delete
136 * @param version the version of the participant to get
137 * @return the participant deleted
138 * @throws PfModelRuntimeException on errors deleting participants
140 public Participant deleteParticipant(@NonNull final String name, @NonNull final String version) {
142 var participantKey = new PfConceptKey(name, version);
144 JpaParticipant jpaDeleteParticipant = getPfDao().get(JpaParticipant.class, participantKey);
146 if (jpaDeleteParticipant == null) {
147 String errorMessage =
148 "delete of participant \"" + participantKey.getId() + "\" failed, participant does not exist";
149 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
152 getPfDao().delete(jpaDeleteParticipant);
154 return jpaDeleteParticipant.toAuthorative();
158 * Convert JPA participant list to an authorative participant list.
160 * @param jpaParticipantList the list to convert
161 * @return the authorative list
163 private List<Participant> asParticipantList(List<JpaParticipant> jpaParticipantList) {
164 return jpaParticipantList.stream().map(JpaParticipant::toAuthorative).collect(Collectors.toList());