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.time.Instant;
24 import java.util.ArrayList;
25 import java.util.List;
27 import java.util.stream.Collectors;
28 import lombok.NonNull;
29 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ParticipantStatistics;
30 import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaParticipantStatistics;
31 import org.onap.policy.models.base.PfModelException;
32 import org.onap.policy.models.base.PfTimestampKey;
33 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
34 import org.onap.policy.models.provider.impl.AbstractModelsProvider;
37 * This class provides the provision of information on participant statistics in the database to callers.
39 public class ParticipantStatisticsProvider extends AbstractModelsProvider {
42 * Create a provider for control loops statistics.
44 * @param parameters the parameters for database access
45 * @throws PfModelException on initiation errors
47 public ParticipantStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
53 * Get Participant statistics.
55 * @param name the name of the participant statistics to get, null to get all stats
56 * @return the participant statistics found
57 * @throws PfModelException on errors getting participant statistics
59 public List<ParticipantStatistics> getParticipantStatistics(final String name, final String version,
60 final Instant timestamp) throws PfModelException {
62 if (name != null && version != null && timestamp != null) {
63 List<ParticipantStatistics> participantStatistics = new ArrayList<>(1);
64 participantStatistics.add(getPfDao()
65 .get(JpaParticipantStatistics.class, new PfTimestampKey(name, version, timestamp)).toAuthorative());
66 return participantStatistics;
67 } else if (name != null) {
68 return getFilteredParticipantStatistics(name, version, timestamp, null, null, "DESC", 0);
70 return asParticipantStatisticsList(getPfDao().getAll(JpaParticipantStatistics.class));
76 * Get filtered participant statistics.
78 * @param name the participant name for the statistics to get
79 * @param startTimeStamp startTimeStamp to filter statistics
80 * @param endTimeStamp endTimeStamp to filter statistics
81 * @param sortOrder sortOrder to query database
82 * @param getRecordNum Total query count from database
83 * @return the participant statistics found
84 * @throws PfModelException on errors getting policies
86 public List<ParticipantStatistics> getFilteredParticipantStatistics(final String name, final String version,
87 final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
88 final String sortOrder, final int getRecordNum) {
90 return asParticipantStatisticsList(getPfDao().getFiltered(JpaParticipantStatistics.class, name, version,
91 startTimeStamp, endTimeStamp, filterMap, sortOrder, getRecordNum));
96 * Creates Participant statistics.
98 * @param participantStatisticsList a specification of the CL statistics to create
99 * @return the participant statistics created
100 * @throws PfModelException on errors creating participant statistics
102 public List<ParticipantStatistics> createParticipantStatistics(
103 @NonNull final List<ParticipantStatistics> participantStatisticsList) throws PfModelException {
105 List<JpaParticipantStatistics> jpaParticipantStatisticsList = ProviderUtils
106 .getJpaAndValidate(participantStatisticsList, JpaParticipantStatistics::new, "Participant Statistics");
108 jpaParticipantStatisticsList.forEach(jpaParticipantStatistics -> getPfDao().update(jpaParticipantStatistics));
110 // Return the created participant statistics
111 List<ParticipantStatistics> participantStatistics = new ArrayList<>(participantStatisticsList.size());
113 for (ParticipantStatistics participantStatisticsItem : participantStatisticsList) {
114 var jpaParticipantStatistics = getPfDao().get(JpaParticipantStatistics.class,
115 new PfTimestampKey(participantStatisticsItem.getParticipantId().getName(),
116 participantStatisticsItem.getParticipantId().getVersion(),
117 participantStatisticsItem.getTimeStamp()));
118 participantStatistics.add(jpaParticipantStatistics.toAuthorative());
121 return participantStatistics;
127 * Convert JPA participant statistics list to participant statistics list.
129 * @param jpaParticipantStatisticsList the list to convert
130 * @return the participant statistics list
132 private List<ParticipantStatistics> asParticipantStatisticsList(
133 List<JpaParticipantStatistics> jpaParticipantStatisticsList) {
135 return jpaParticipantStatisticsList.stream().map(JpaParticipantStatistics::toAuthorative)
136 .collect(Collectors.toList());