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.provider.PolicyModelsProviderParameters;
34 import org.onap.policy.models.provider.impl.AbstractModelsProvider;
37 * This class provides the provision of information on control loop element statistics in the database to callers.
39 * @author Ramesh Murugan Iyer (ramesh.murugan.iyer@est.tech)
41 public class ClElementStatisticsProvider extends AbstractModelsProvider {
44 * Create a provider for control loop element statistics.
46 * @param parameters the parameters for database access
47 * @throws PfModelException on initiation errors
49 public ClElementStatisticsProvider(@NonNull PolicyModelsProviderParameters parameters) throws PfModelException {
55 * Creates control loop element statistics.
57 * @param clElementStatisticsList a specification of the CL element statistics to create
58 * @return the clElement statistics created
59 * @throws PfModelException on errors creating clElement statistics
61 public List<ClElementStatistics> createClElementStatistics(
62 @NonNull final List<ClElementStatistics> clElementStatisticsList) throws PfModelException {
64 List<JpaClElementStatistics> jpaClElementStatisticsList = ProviderUtils.getJpaAndValidate(
65 clElementStatisticsList, JpaClElementStatistics::new, "control loop element statistics");
67 jpaClElementStatisticsList.forEach(jpaClElementStatistics -> getPfDao().create(jpaClElementStatistics));
69 // Return the created control loop element statistics
70 List<ClElementStatistics> elementStatistics = new ArrayList<>(clElementStatisticsList.size());
72 for (ClElementStatistics clElementStat : clElementStatisticsList) {
73 var jpaClElementStatistics = getPfDao().get(JpaClElementStatistics.class,
74 new PfReferenceTimestampKey(clElementStat.getParticipantId().getName(),
75 clElementStat.getParticipantId().getVersion(), clElementStat.getId().toString(),
76 clElementStat.getTimeStamp()));
77 elementStatistics.add(jpaClElementStatistics.toAuthorative());
80 return elementStatistics;
84 * Convert JPA clElement statistics list to clElement statistics list.
86 * @param jpaClElementStatistics the list to convert
87 * @return the clElement statistics list
89 private List<ClElementStatistics> asClElementStatisticsList(List<JpaClElementStatistics> jpaClElementStatistics) {
90 return jpaClElementStatistics.stream().map(JpaClElementStatistics::toAuthorative).collect(Collectors.toList());
94 * Get clElement statistics.
96 * @param name the name of the participant
97 * @param version version of the participant
98 * @param id of the control loop element
99 * @param timestamp timestamp of the statistics
100 * @return the clElement statistics found
101 * @throws PfModelException on errors getting clElement statistics
103 public List<ClElementStatistics> getClElementStatistics(final String name, final String version, final String id,
104 final Instant timestamp) throws PfModelException {
105 List<ClElementStatistics> clElementStatistics = new ArrayList<>(1);
106 if (name != null && version != null && timestamp != null && id != null) {
107 clElementStatistics.add(getPfDao()
108 .get(JpaClElementStatistics.class, new PfReferenceTimestampKey(name, version, id, timestamp))
110 return clElementStatistics;
111 } else if (name != null) {
112 clElementStatistics.addAll(getFilteredClElementStatistics(name, version, null, null, null, "DESC", 0));
114 clElementStatistics.addAll(asClElementStatisticsList(getPfDao().getAll(JpaClElementStatistics.class)));
116 return clElementStatistics;
120 * Get filtered clElement statistics.
122 * @param name the clElement name for the statistics to get
123 * @param startTimeStamp startTimeStamp to filter statistics
124 * @param endTimeStamp endTimeStamp to filter statistics
125 * @param sortOrder sortOrder to query database
126 * @param getRecordNum Total query count from database
127 * @return the clElement statistics found
128 * @throws PfModelException on errors getting policies
130 public List<ClElementStatistics> getFilteredClElementStatistics(final String name, final String version,
131 final Instant startTimeStamp, final Instant endTimeStamp, Map<String, Object> filterMap,
132 final String sortOrder, final int getRecordNum) {
133 return asClElementStatisticsList(getPfDao().getFiltered(JpaClElementStatistics.class, name, version,
134 startTimeStamp, endTimeStamp, filterMap, sortOrder, getRecordNum));