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.dao.PfFilterParameters;
34 import org.onap.policy.models.provider.PolicyModelsProviderParameters;
35 import org.onap.policy.models.provider.impl.AbstractModelsProvider;
38 * This class provides the provision of information on participant statistics in the database to callers.
40 public class ParticipantStatisticsProvider extends AbstractModelsProvider {
43 * Create a provider for control loops statistics.
45 * @param parameters the parameters for database access
46 * @throws PfModelException on initiation errors
48 public ParticipantStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
54 * Get Participant statistics.
56 * @param name the name of the participant statistics to get, null to get all stats
57 * @param version the version of the participant statistics to get, null to get all stats for a name
58 * @param timestamp the time stamp for the stats to get
59 * @return the participant statistics found
60 * @throws PfModelException on errors getting participant statistics
62 public List<ParticipantStatistics> getParticipantStatistics(final String name, final String version,
63 final Instant timestamp) throws PfModelException {
65 if (name != null && version != null && timestamp != null) {
66 List<ParticipantStatistics> participantStatistics = new ArrayList<>(1);
67 participantStatistics.add(getPfDao()
68 .get(JpaParticipantStatistics.class, new PfTimestampKey(name, version, timestamp)).toAuthorative());
69 return participantStatistics;
70 } else if (name != null) {
71 return getFilteredParticipantStatistics(name, version, timestamp, null, null, "DESC", 0);
73 return asParticipantStatisticsList(getPfDao().getAll(JpaParticipantStatistics.class));
79 * Get filtered participant statistics.
81 * @param name the participant name for the statistics to get
82 * @param version the participant version for the statistics to get
83 * @param startTimeStamp startTimeStamp to filter statistics
84 * @param endTimeStamp endTimeStamp to filter statistics
85 * @param sortOrder sortOrder to query database
86 * @param getRecordNum Total query count from database
87 * @param filterMap the filters to apply to the get operation
88 * @return the participant statistics found
89 * @throws PfModelException on errors getting policies
91 public List<ParticipantStatistics> getFilteredParticipantStatistics(final String name, final String version,
92 final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
93 final String sortOrder, final int getRecordNum) {
96 PfFilterParameters filterParams = PfFilterParameters
100 .startTime(startTimeStamp)
101 .endTime(endTimeStamp)
102 .filterMap(filterMap)
103 .sortOrder(sortOrder)
104 .recordNum(getRecordNum)
108 return asParticipantStatisticsList(getPfDao().getFiltered(JpaParticipantStatistics.class, filterParams));
113 * Creates Participant statistics.
115 * @param participantStatisticsList a specification of the CL statistics to create
116 * @return the participant statistics created
117 * @throws PfModelException on errors creating participant statistics
119 public List<ParticipantStatistics> createParticipantStatistics(
120 @NonNull final List<ParticipantStatistics> participantStatisticsList) throws PfModelException {
122 List<JpaParticipantStatistics> jpaParticipantStatisticsList = ProviderUtils
123 .getJpaAndValidate(participantStatisticsList, JpaParticipantStatistics::new, "Participant Statistics");
125 jpaParticipantStatisticsList.forEach(jpaParticipantStatistics -> getPfDao().update(jpaParticipantStatistics));
127 // Return the created participant statistics
128 List<ParticipantStatistics> participantStatistics = new ArrayList<>(participantStatisticsList.size());
130 for (ParticipantStatistics participantStatisticsItem : participantStatisticsList) {
131 var jpaParticipantStatistics = getPfDao().get(JpaParticipantStatistics.class,
132 new PfTimestampKey(participantStatisticsItem.getParticipantId().getName(),
133 participantStatisticsItem.getParticipantId().getVersion(),
134 participantStatisticsItem.getTimeStamp()));
135 participantStatistics.add(jpaParticipantStatistics.toAuthorative());
138 return participantStatistics;
144 * Convert JPA participant statistics list to participant statistics list.
146 * @param jpaParticipantStatisticsList the list to convert
147 * @return the participant statistics list
149 private List<ParticipantStatistics> asParticipantStatisticsList(
150 List<JpaParticipantStatistics> jpaParticipantStatisticsList) {
152 return jpaParticipantStatisticsList.stream().map(JpaParticipantStatistics::toAuthorative)
153 .collect(Collectors.toList());