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.ClElementStatistics;
30 import org.onap.policy.clamp.controlloop.models.controlloop.persistence.concepts.JpaClElementStatistics;
31 import org.onap.policy.models.base.PfModelException;
32 import org.onap.policy.models.base.PfReferenceTimestampKey;
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 control loop element statistics in the database to callers.
40 * @author Ramesh Murugan Iyer (ramesh.murugan.iyer@est.tech)
42 public class ClElementStatisticsProvider extends AbstractModelsProvider {
45 * Create a provider for control loop element statistics.
47 * @param parameters the parameters for database access
48 * @throws PfModelException on initiation errors
50 public ClElementStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
56 * Creates control loop element statistics.
58 * @param clElementStatisticsList a specification of the CL element statistics to create
59 * @return the clElement statistics created
60 * @throws PfModelException on errors creating clElement statistics
62 public List<ClElementStatistics> createClElementStatistics(
63 @NonNull final List<ClElementStatistics> clElementStatisticsList) throws PfModelException {
65 List<JpaClElementStatistics> jpaClElementStatisticsList = ProviderUtils.getJpaAndValidate(
66 clElementStatisticsList, JpaClElementStatistics::new, "control loop element statistics");
68 jpaClElementStatisticsList.forEach(jpaClElementStatistics -> getPfDao().create(jpaClElementStatistics));
70 // Return the created control loop element statistics
71 List<ClElementStatistics> elementStatistics = new ArrayList<>(clElementStatisticsList.size());
73 for (ClElementStatistics clElementStat : clElementStatisticsList) {
74 var jpaClElementStatistics = getPfDao().get(JpaClElementStatistics.class,
75 new PfReferenceTimestampKey(clElementStat.getParticipantId().getName(),
76 clElementStat.getParticipantId().getVersion(), clElementStat.getId().toString(),
77 clElementStat.getTimeStamp()));
78 elementStatistics.add(jpaClElementStatistics.toAuthorative());
81 return elementStatistics;
85 * Convert JPA clElement statistics list to clElement statistics list.
87 * @param jpaClElementStatistics the list to convert
88 * @return the clElement statistics list
90 private List<ClElementStatistics> asClElementStatisticsList(List<JpaClElementStatistics> jpaClElementStatistics) {
91 return jpaClElementStatistics.stream().map(JpaClElementStatistics::toAuthorative).collect(Collectors.toList());
95 * Get clElement statistics.
97 * @param name the name of the participant
98 * @param version version of the participant
99 * @param id of the control loop element
100 * @param timestamp timestamp of the statistics
101 * @return the clElement statistics found
102 * @throws PfModelException on errors getting clElement statistics
104 public List<ClElementStatistics> getClElementStatistics(final String name, final String version, final String id,
105 final Instant timestamp) throws PfModelException {
106 List<ClElementStatistics> clElementStatistics = new ArrayList<>(1);
107 if (name != null && version != null && timestamp != null && id != null) {
108 clElementStatistics.add(getPfDao()
109 .get(JpaClElementStatistics.class, new PfReferenceTimestampKey(name, version, id, timestamp))
111 return clElementStatistics;
112 } else if (name != null) {
113 clElementStatistics.addAll(getFilteredClElementStatistics(name, version, null, null, null, "DESC", 0));
115 clElementStatistics.addAll(asClElementStatisticsList(getPfDao().getAll(JpaClElementStatistics.class)));
117 return clElementStatistics;
121 * Get filtered clElement statistics.
123 * @param name the clElement name for the statistics to get
124 * @param startTimeStamp startTimeStamp to filter statistics
125 * @param endTimeStamp endTimeStamp to filter statistics
126 * @param sortOrder sortOrder to query database
127 * @param getRecordNum Total query count from database
128 * @return the clElement statistics found
129 * @throws PfModelException on errors getting policies
131 public List<ClElementStatistics> getFilteredClElementStatistics(final String name, final String version,
132 final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
133 final String sortOrder, final int getRecordNum) {
136 PfFilterParameters filterParams = PfFilterParameters
140 .startTime(startTimeStamp)
141 .endTime(endTimeStamp)
142 .filterMap(filterMap)
143 .sortOrder(sortOrder)
144 .recordNum(getRecordNum)
147 return asClElementStatisticsList(getPfDao().getFiltered(JpaClElementStatistics.class, filterParams));