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
|
/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation
* ================================================================================
* 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.openecomp.sdc.be.model.operations.impl;
import fj.data.Either;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.dao.cassandra.ToscaModelImportCassandraDao;
import org.openecomp.sdc.be.dao.graph.datatype.GraphEdge;
import org.openecomp.sdc.be.dao.graph.datatype.GraphRelation;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphGenericDao;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphDao;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.dao.neo4j.GraphEdgeLabels;
import org.openecomp.sdc.be.data.model.ToscaImportByModel;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.model.Model;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.exception.OperationException;
import org.openecomp.sdc.be.model.operations.api.DerivedFromOperation;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.exception.ModelOperationExceptionSupplier;
import org.openecomp.sdc.be.resources.data.ModelData;
import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component("model-operation")
public class ModelOperation {
private static final Logger log = Logger.getLogger(ModelOperation.class);
private final JanusGraphGenericDao janusGraphGenericDao;
private final JanusGraphDao janusGraphDao;
private final ToscaModelImportCassandraDao toscaModelImportCassandraDao;
private final DerivedFromOperation derivedFromOperation;
@Autowired
public ModelOperation(final JanusGraphGenericDao janusGraphGenericDao,
final JanusGraphDao janusGraphDao,
final ToscaModelImportCassandraDao toscaModelImportCassandraDao,
final DerivedFromOperation derivedFromOperation) {
this.janusGraphGenericDao = janusGraphGenericDao;
this.janusGraphDao = janusGraphDao;
this.toscaModelImportCassandraDao = toscaModelImportCassandraDao;
this.derivedFromOperation = derivedFromOperation;
}
public Model createModel(final Model model, final boolean inTransaction) {
Model result = null;
final var modelData = new ModelData(model.getName(), UniqueIdBuilder.buildModelUid(model.getName()));
try {
final Either<ModelData, JanusGraphOperationStatus> createNode = janusGraphGenericDao.createNode(modelData, ModelData.class);
if (createNode.isRight()) {
final var janusGraphOperationStatus = createNode.right().value();
log.error(EcompLoggerErrorCode.DATA_ERROR, ModelOperation.class.getName(), "Problem while creating model, reason {}",
janusGraphOperationStatus);
if (janusGraphOperationStatus == JanusGraphOperationStatus.JANUSGRAPH_SCHEMA_VIOLATION) {
throw ModelOperationExceptionSupplier.modelAlreadyExists(model.getName()).get();
}
throw new OperationException(ActionStatus.GENERAL_ERROR,
String.format("Failed to create model %s on JanusGraph with %s error", model, janusGraphOperationStatus));
}
addDerivedFromRelation(model);
result = new Model(createNode.left().value().getName(), model.getDerivedFrom());
return result;
} finally {
if (!inTransaction) {
if (Objects.nonNull(result)) {
janusGraphGenericDao.commit();
} else {
janusGraphGenericDao.rollback();
}
}
}
}
private void addDerivedFromRelation(final Model model) {
final String derivedFrom = model.getDerivedFrom();
if (derivedFrom == null) {
return;
}
log.debug("Adding derived from relation between model {} to its parent {}",
model.getName(), derivedFrom);
final Optional<Model> derivedFromModelOptional = this.findModelByName(derivedFrom);
if (derivedFromModelOptional.isPresent()) {
final Either<GraphRelation, StorageOperationStatus> result = derivedFromOperation.addDerivedFromRelation(UniqueIdBuilder.buildModelUid(model.getName()),
UniqueIdBuilder.buildModelUid(derivedFromModelOptional.get().getName()), NodeTypeEnum.Model);
if(result.isRight()) {
throw new OperationException(ActionStatus.GENERAL_ERROR,
String.format("Failed to create relationship from model % to derived from model %s on JanusGraph with %s error", model, derivedFrom, result.right().value()));
}
}
}
public Optional<GraphVertex> findModelVertexByName(final String name) {
if (StringUtils.isEmpty(name)) {
return Optional.empty();
}
final Map<GraphPropertyEnum, Object> props = new EnumMap<>(GraphPropertyEnum.class);
props.put(GraphPropertyEnum.NAME, name);
props.put(GraphPropertyEnum.UNIQUE_ID, UniqueIdBuilder.buildModelUid(name));
final List<GraphVertex> modelVerticesList = findModelVerticesByCriteria(props);
if (modelVerticesList.isEmpty()) {
return Optional.empty();
}
return Optional.ofNullable(modelVerticesList.get(0));
}
public Optional<Model> findModelByName(final String name) {
if (StringUtils.isEmpty(name)) {
return Optional.empty();
}
final Optional<GraphVertex> modelVertexOpt = findModelVertexByName(name);
if (modelVertexOpt.isEmpty()) {
return Optional.empty();
}
final GraphVertex graphVertex = modelVertexOpt.get();
return Optional.of(convertToModel(graphVertex));
}
public void createModelImports(final String modelId, final Map<String, byte[]> zipContent) {
if (MapUtils.isEmpty(zipContent)) {
return;
}
final List<ToscaImportByModel> toscaImportByModelList = zipContent.entrySet().stream()
.map(entry -> {
final String path = entry.getKey();
final byte[] bytes = entry.getValue();
final String content = new String(bytes, StandardCharsets.UTF_8);
final var toscaImportByModel = new ToscaImportByModel();
toscaImportByModel.setModelId(modelId);
toscaImportByModel.setFullPath(path);
toscaImportByModel.setContent(content);
return toscaImportByModel;
}).collect(Collectors.toList());
toscaModelImportCassandraDao.importAll(modelId, toscaImportByModelList);
}
/**
* Finds all the models.
*
* @return the list of models
*/
public List<Model> findAllModels() {
return findModelsByCriteria(Collections.emptyMap());
}
private List<Model> findModelsByCriteria(final Map<GraphPropertyEnum, Object> propertyCriteria) {
final List<GraphVertex> modelVerticesByCriteria = findModelVerticesByCriteria(propertyCriteria);
if (modelVerticesByCriteria.isEmpty()) {
return Collections.emptyList();
}
return modelVerticesByCriteria.stream().map(this::convertToModel).collect(Collectors.toList());
}
private List<GraphVertex> findModelVerticesByCriteria(final Map<GraphPropertyEnum, Object> propertyCriteria) {
final Either<List<GraphVertex>, JanusGraphOperationStatus> result = janusGraphDao.getByCriteria(VertexTypeEnum.MODEL, propertyCriteria);
if (result.isRight()) {
final var janusGraphOperationStatus = result.right().value();
if (janusGraphOperationStatus == JanusGraphOperationStatus.NOT_FOUND) {
return Collections.emptyList();
}
final var operationException = ModelOperationExceptionSupplier.failedToRetrieveModels(janusGraphOperationStatus).get();
log.error(EcompLoggerErrorCode.DATA_ERROR, this.getClass().getName(), operationException.getMessage());
throw operationException;
}
return result.left().value();
}
private Model convertToModel(final GraphVertex modelGraphVertex) {
final String modelName = (String) modelGraphVertex.getMetadataProperty(GraphPropertyEnum.NAME);
final Either<ImmutablePair<ModelData, GraphEdge>, JanusGraphOperationStatus> parentNode =
janusGraphGenericDao.getChild(UniqueIdBuilder.getKeyByNodeType(NodeTypeEnum.Model), UniqueIdBuilder.buildModelUid(modelName),
GraphEdgeLabels.DERIVED_FROM, NodeTypeEnum.Model, ModelData.class);
log.debug("After retrieving DERIVED_FROM node of {}. status is {}", modelName, parentNode);
if (parentNode.isRight()) {
final JanusGraphOperationStatus janusGraphOperationStatus = parentNode.right().value();
if (janusGraphOperationStatus != JanusGraphOperationStatus.NOT_FOUND) {
final var operationException = ModelOperationExceptionSupplier.failedToRetrieveModels(janusGraphOperationStatus).get();
log.error(EcompLoggerErrorCode.DATA_ERROR, this.getClass().getName(), operationException.getMessage());
throw operationException;
}
return new Model((String) modelGraphVertex.getMetadataProperty(GraphPropertyEnum.NAME));
} else {
final ModelData parentModel = parentNode.left().value().getKey();
return new Model((String) modelGraphVertex.getMetadataProperty(GraphPropertyEnum.NAME), parentModel.getName());
}
}
}
|
