1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 China Mobile.
* Copyright (C) 2021 Deutsche Telekom AG. All rights reserved.
* Copyright (C) 2022 Wipro Limited. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.kpi.computation;
import java.lang.String;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.LinkedList;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
import org.apache.commons.lang.StringUtils;
import org.onap.dcaegen2.kpi.config.ControlLoopSchemaType;
import org.onap.dcaegen2.kpi.config.Kpi;
import org.onap.dcaegen2.kpi.config.KpiConfig;
import org.onap.dcaegen2.kpi.config.KpiJsonConversion;
import org.onap.dcaegen2.kpi.config.MethodForKpi;
import org.onap.dcaegen2.kpi.config.Operation;
import org.onap.dcaegen2.kpi.exception.KpiComputationException;
import org.onap.dcaegen2.kpi.models.CommonEventHeader;
import org.onap.dcaegen2.kpi.models.Configuration;
import org.onap.dcaegen2.kpi.models.MeasDataCollection;
import org.onap.dcaegen2.kpi.models.MeasInfo;
import org.onap.dcaegen2.kpi.models.MeasResult;
import org.onap.dcaegen2.kpi.models.MeasTypes;
import org.onap.dcaegen2.kpi.models.MeasValues;
import org.onap.dcaegen2.kpi.models.Perf3gppFields;
import org.onap.dcaegen2.kpi.models.PerformanceEvent;
import org.onap.dcaegen2.kpi.models.VesEvent;
import org.onap.dcaegen2.kpi.models.KpiOperand;
import org.onap.dcaegen2.kpi.utils.VesJsonConversion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* KPI computation.
*
* @author Kai Lu
* @author Tarun Agrawal
*/
public class KpiComputation {
private static Logger logger = LoggerFactory.getLogger(KpiComputation.class);
/**
* do KPI computation.
*
* @param ves ves
* @param config config
* @return Kpi ves list
*
*/
public List<VesEvent> checkAndDoComputation(String ves, Configuration config) {
if (ves == null || ves.equalsIgnoreCase("{}")) {
return null;
}
KpiConfig kpiConfig = KpiJsonConversion.convertKpiConfig(config.getKpiConfig());
if (kpiConfig == null) {
logger.info("No kpi config.");
return null;
}
logger.info("kpi config. {}", kpiConfig);
VesEvent vesEvent = VesJsonConversion.convertVesEvent(ves);
// Get event Name
PerformanceEvent pmEvent = vesEvent.getEvent();
String eventName = Optional.of(pmEvent).map(PerformanceEvent::getCommonEventHeader)
.map(CommonEventHeader::getEventName)
.orElseThrow(() -> new KpiComputationException("Required Field: EventName not present"));
// Get Kpi's config per event name matching event name
MethodForKpi methodForKpi = kpiConfig.getMethodForKpi().stream()
.filter(m -> m.getEventName().equalsIgnoreCase(eventName)).findFirst().orElse(null);
// if ves event not exist
if (methodForKpi == null) {
logger.info("No event name matched.");
return null;
}
MeasDataCollection measDataCollection = Optional.of(pmEvent).map(PerformanceEvent::getPerf3gppFields)
.map(Perf3gppFields::getMeasDataCollection)
.orElseThrow(() -> new KpiComputationException("Required Field: MeasData not present"));
List<MeasInfo> measInfoList = Optional.of(pmEvent).map(PerformanceEvent::getPerf3gppFields)
.map(Perf3gppFields::getMeasDataCollection)
.map(MeasDataCollection::getMeasInfoList)
.orElseThrow(() -> new KpiComputationException("Required Field: MeasInfoList not present"));
StringBuilder sb = new StringBuilder();
for(MeasInfo measInfo: measInfoList){
List<String> measTypes = measInfo.getMeasTypes().getMeasTypesList();
if(!measTypes.isEmpty()){
String anyString = measTypes.get(0);
char[] chars = anyString.toCharArray();
for(char c : chars){
if(Character.isDigit(c)){
sb.append(c);
}
}
}
else{
logger.info("MeasTypesList is empty");
}
}
String snssai = sb.toString();
// Do computation for each KPI
List<VesEvent> events = new LinkedList<>();
List<Kpi> kpis = methodForKpi.getKpis();
kpis.forEach(k -> {
Map<String, List<KpiOperand>> measInfoMap = getOperands(measDataCollection, k.getOperands());
if (measInfoMap == null) {
logger.info("No kpi need to do computation for {}", k.getOperands());
return;
}
ControlLoopSchemaType schemaType = methodForKpi.getControlLoopSchemaType();
String measType = k.getMeasType() + "." + snssai;
Operation operation = k.getOperation();
List<VesEvent> kpiVesEvent = CommandHandler.handle(operation.value, pmEvent, schemaType,
measInfoMap, measType, k.getOperands());
if (kpiVesEvent != null && !kpiVesEvent.isEmpty()) {
events.addAll(kpiVesEvent);
}
});
return events;
}
private Map<String, List<KpiOperand>> getOperands(MeasDataCollection measDataCollection, List<String> operands) {
Map<String, List<KpiOperand>> measInfoMap = new HashMap<>();
List<MeasInfo> measInfoList = measDataCollection.getMeasInfoList();
boolean flag;
if (operands == null || operands.size() <= 0) {
logger.info("No operands, no need to do computation ");
return null;
}
// check all operands part of MeasInfo. else remove them from curated list.
List<MeasInfo> curatedMeasInfoList = new ArrayList<>();
for (MeasInfo measInfo : measInfoList) {
flag = false;
for (String operand : operands) {
List<String> measTypesList = measInfo.getMeasTypes().getMeasTypesList();
List<String> measValue = measTypesList.stream()
.filter(s -> StringUtils.substring(s, 0, operand.length()).equalsIgnoreCase(operand))
.collect(Collectors.toList());
if (measValue == null) {
flag = true;
}
}
if (!flag) {
//add to new list
curatedMeasInfoList.add(measInfo);
}
}
for (String operand: operands) {
String key = null;
List<KpiOperand> kpiOperands = new ArrayList<>();
for (MeasInfo m: curatedMeasInfoList) {
List<String> measTypesList = m.getMeasTypes().getMeasTypesList();
List<String> measValueList = measTypesList.stream()
.filter(s -> StringUtils.substring(s, 0, operand.length()).equalsIgnoreCase(operand))
.collect(Collectors.toList());
if (measValueList != null) {
for(String measValue:measValueList){
key = new StringBuilder().append(operand).toString();
int index = measTypesList.indexOf(measValue);
List<MeasValues> measValuesList = m.getMeasValuesList();
for ( MeasValues measValues : measValuesList) {
List<MeasResult> measResults = measValues.getMeasResults();
String measObjInstId = measValues.getMeasObjInstId();
MeasResult measResult = measResults.stream()
.filter(v -> v.getPvalue() == (index + 1))
.findFirst()
.orElse(null);
if (measResult != null) {
KpiOperand newKpiOperand = new KpiOperand(measObjInstId, new BigDecimal(measResult.getSvalue()));
kpiOperands.add(newKpiOperand);
} else {
logger.info("measResults mis-matched - incorrect ves msg construction");
}
}
}
}
}
if (kpiOperands.size() <= 0) {
logger.info("No measureValues matched");
return null;
}
if(key != null) {
measInfoMap.put(key, kpiOperands);
logger.info("kpi operate: {}", kpiOperands);
} else {
return null;
}
}
return measInfoMap;
}
}
|
