gerrit.onap Code Review - cps.git/blob

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2022-2025 OpenInfra Foundation Europe. All rights reserved.
   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
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  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.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.impl.inventory;
  22
  23 import static org.onap.cps.api.parameters.FetchDescendantsOption.DIRECT_CHILDREN_ONLY;
  24 import static org.onap.cps.ncmp.impl.inventory.CmHandleQueryParametersValidator.validateCpsPathConditionProperties;
  25 import static org.onap.cps.ncmp.impl.inventory.CmHandleQueryParametersValidator.validateModuleNameConditionProperties;
  26 import static org.onap.cps.ncmp.impl.inventory.NcmpPersistence.NCMP_DMI_REGISTRY_PARENT;
  27 import static org.onap.cps.ncmp.impl.inventory.models.CmHandleQueryConditions.HAS_ALL_MODULES;
  28 import static org.onap.cps.ncmp.impl.inventory.models.CmHandleQueryConditions.HAS_ALL_PROPERTIES;
  29 import static org.onap.cps.ncmp.impl.inventory.models.CmHandleQueryConditions.WITH_CPS_PATH;
  30 import static org.onap.cps.ncmp.impl.inventory.models.CmHandleQueryConditions.WITH_TRUST_LEVEL;
  31 import static org.onap.cps.ncmp.impl.utils.YangDataConverter.toNcmpServiceCmHandle;
  32
  33 import java.util.ArrayList;
  34 import java.util.Collection;
  35 import java.util.Collections;
  36 import java.util.HashMap;
  37 import java.util.List;
  38 import java.util.Map;
  39 import java.util.function.BiFunction;
  40 import java.util.stream.Collectors;
  41 import lombok.RequiredArgsConstructor;
  42 import org.onap.cps.api.exceptions.DataValidationException;
  43 import org.onap.cps.api.model.ConditionProperties;
  44 import org.onap.cps.api.model.DataNode;
  45 import org.onap.cps.cpspath.parser.PathParsingException;
  46 import org.onap.cps.ncmp.api.inventory.models.CmHandleQueryServiceParameters;
  47 import org.onap.cps.ncmp.api.inventory.models.NcmpServiceCmHandle;
  48 import org.onap.cps.ncmp.impl.inventory.models.InventoryQueryConditions;
  49 import org.onap.cps.ncmp.impl.inventory.models.PropertyType;
  50 import org.onap.cps.ncmp.impl.inventory.models.YangModelCmHandle;
  51 import org.onap.cps.ncmp.impl.inventory.trustlevel.TrustLevelManager;
  52 import org.onap.cps.ncmp.impl.utils.YangDataConverter;
  53 import org.springframework.stereotype.Service;
  54 import reactor.core.publisher.Flux;
  55
  56 @Service
  57 @RequiredArgsConstructor
  58 public class ParameterizedCmHandleQueryServiceImpl implements ParameterizedCmHandleQueryService {
  59
  60     private static final int FLUX_BUFFER_SIZE = 1000;
  61     private static final Collection<String> NO_QUERY_TO_EXECUTE = null;
  62     private final CmHandleQueryService cmHandleQueryService;
  63     private final InventoryPersistence inventoryPersistence;
  64     private final TrustLevelManager trustLevelManager;
  65
  66     @Override
  67     public Collection<String> queryCmHandleReferenceIds(
  68             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters,
  69             final boolean outputAlternateId) {
  70         return executeQueries(cmHandleQueryServiceParameters, outputAlternateId,
  71                 this::executeCpsPathQuery,
  72                 this::queryCmHandlesByPublicProperties,
  73                 this::executeModuleNameQuery,
  74                 this::queryCmHandlesByTrustLevel);
  75     }
  76
  77     @Override
  78     public Collection<String> queryCmHandleIdsForInventory(
  79             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters,
  80             final boolean outputAlternateId) {
  81         return executeQueries(cmHandleQueryServiceParameters, outputAlternateId,
  82                 this::executeCpsPathQuery,
  83                 this::queryCmHandlesByPublicProperties,
  84                 this::queryCmHandlesByPrivateProperties,
  85                 this::queryCmHandlesByDmiPlugin);
  86     }
  87
  88     @Override
  89     public Flux<NcmpServiceCmHandle> queryCmHandles(final CmHandleQueryServiceParameters queryParameters) {
  90         final Collection<String> cmHandleIds = queryCmHandleReferenceIds(queryParameters, false);
  91         return getNcmpServiceCmHandles(cmHandleIds);
  92     }
  93
  94     @Override
  95     public Collection<NcmpServiceCmHandle> getAllCmHandlesWithoutProperties() {
  96         return toNcmpServiceCmHandles(inventoryPersistence.getDataNode(NCMP_DMI_REGISTRY_PARENT, DIRECT_CHILDREN_ONLY));
  97     }
  98
  99     private Collection<NcmpServiceCmHandle> toNcmpServiceCmHandles(final Collection<DataNode> dataNodes) {
 100         final DataNode dataNode = dataNodes.iterator().next();
 101         return dataNode.getChildDataNodes().stream().map(this::createNcmpServiceCmHandle).collect(Collectors.toSet());
 102     }
 103
 104     private Collection<String> queryCmHandlesByDmiPlugin(
 105             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters, final boolean outputAlternateId) {
 106         final Map<String, String> dmiPropertyQueryPairs =
 107                 getPropertyPairs(cmHandleQueryServiceParameters.getCmHandleQueryParameters(),
 108                         InventoryQueryConditions.CM_HANDLE_WITH_DMI_PLUGIN.getName());
 109         if (dmiPropertyQueryPairs.isEmpty()) {
 110             return NO_QUERY_TO_EXECUTE;
 111         }
 112
 113         final String dmiPluginIdentifierValue = dmiPropertyQueryPairs
 114                 .get(PropertyType.DMI_PLUGIN.getYangContainerName());
 115
 116         return cmHandleQueryService.getCmHandleReferencesByDmiPluginIdentifier(
 117                 dmiPluginIdentifierValue, outputAlternateId);
 118
 119     }
 120
 121     private Collection<String> queryCmHandlesByPrivateProperties(
 122             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters, final boolean outputAlternateId) {
 123
 124         final Map<String, String> privatePropertyQueryPairs =
 125                 getPropertyPairs(cmHandleQueryServiceParameters.getCmHandleQueryParameters(),
 126                         InventoryQueryConditions.HAS_ALL_ADDITIONAL_PROPERTIES.getName());
 127
 128         if (privatePropertyQueryPairs.isEmpty()) {
 129             return NO_QUERY_TO_EXECUTE;
 130         }
 131         return cmHandleQueryService.queryCmHandleAdditionalProperties(privatePropertyQueryPairs, outputAlternateId);
 132     }
 133
 134     private Collection<String> queryCmHandlesByPublicProperties(
 135             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters, final boolean outputAlternateId) {
 136
 137         final Map<String, String> publicPropertyQueryPairs =
 138                 getPropertyPairs(cmHandleQueryServiceParameters.getCmHandleQueryParameters(),
 139                         HAS_ALL_PROPERTIES.getConditionName());
 140
 141         if (publicPropertyQueryPairs.isEmpty()) {
 142             return NO_QUERY_TO_EXECUTE;
 143         }
 144         return cmHandleQueryService.queryCmHandlePublicProperties(publicPropertyQueryPairs, outputAlternateId);
 145     }
 146
 147     private Collection<String> queryCmHandlesByTrustLevel(final CmHandleQueryServiceParameters
 148                                                                   cmHandleQueryServiceParameters,
 149                                                           final boolean outputAlternateId) {
 150
 151         final Map<String, String> trustLevelPropertyQueryPairs =
 152                 getPropertyPairs(cmHandleQueryServiceParameters.getCmHandleQueryParameters(),
 153                         WITH_TRUST_LEVEL.getConditionName());
 154
 155         if (trustLevelPropertyQueryPairs.isEmpty()) {
 156             return NO_QUERY_TO_EXECUTE;
 157         }
 158         return cmHandleQueryService.queryCmHandlesByTrustLevel(trustLevelPropertyQueryPairs, outputAlternateId);
 159     }
 160
 161     private Collection<String> executeModuleNameQuery(
 162             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters, final boolean outputAlternateId) {
 163         final Collection<String> moduleNamesForQuery =
 164                 getModuleNamesForQuery(cmHandleQueryServiceParameters.getCmHandleQueryParameters());
 165         if (moduleNamesForQuery.isEmpty()) {
 166             return NO_QUERY_TO_EXECUTE;
 167         }
 168         return inventoryPersistence.getCmHandleReferencesWithGivenModules(moduleNamesForQuery, outputAlternateId);
 169     }
 170
 171     private Collection<String> executeCpsPathQuery(
 172             final CmHandleQueryServiceParameters cmHandleQueryServiceParameters, final boolean outputAlternateId) {
 173         final Map<String, String> cpsPathCondition
 174                 = getCpsPathCondition(cmHandleQueryServiceParameters.getCmHandleQueryParameters());
 175         if (!validateCpsPathConditionProperties(cpsPathCondition)) {
 176             return Collections.emptySet();
 177         }
 178         final Collection<String> cpsPathQueryResult;
 179         if (cpsPathCondition.isEmpty()) {
 180             return NO_QUERY_TO_EXECUTE;
 181         }
 182         try {
 183             cpsPathQueryResult = cmHandleQueryService.getCmHandleReferencesByCpsPath(cpsPathCondition.get("cpsPath"),
 184                     outputAlternateId);
 185         } catch (final PathParsingException pathParsingException) {
 186             throw new DataValidationException(pathParsingException.getMessage(), pathParsingException.getDetails(),
 187                     pathParsingException);
 188         }
 189         return cpsPathQueryResult;
 190     }
 191
 192     private Collection<String> getModuleNamesForQuery(final List<ConditionProperties> conditionProperties) {
 193         final List<String> result = new ArrayList<>();
 194         getConditions(conditionProperties, HAS_ALL_MODULES.getConditionName()).forEach(
 195                 conditionProperty -> {
 196                     validateModuleNameConditionProperties(conditionProperty);
 197                     result.add(conditionProperty.get("moduleName"));
 198                 });
 199         return result;
 200     }
 201
 202     private Map<String, String> getCpsPathCondition(final List<ConditionProperties> conditionProperties) {
 203         final Map<String, String> result = new HashMap<>();
 204         getConditions(conditionProperties, WITH_CPS_PATH.getConditionName()).forEach(result::putAll);
 205         return result;
 206     }
 207
 208     private Map<String, String> getPropertyPairs(final List<ConditionProperties> conditionProperties,
 209                                                  final String queryProperty) {
 210         final Map<String, String> result = new HashMap<>();
 211         getConditions(conditionProperties, queryProperty).forEach(result::putAll);
 212         return result;
 213     }
 214
 215     private List<Map<String, String>> getConditions(final List<ConditionProperties> conditionProperties,
 216                                                     final String name) {
 217         for (final ConditionProperties conditionProperty : conditionProperties) {
 218             if (conditionProperty.getConditionName().equals(name)) {
 219                 return conditionProperty.getConditionParameters();
 220             }
 221         }
 222         return Collections.emptyList();
 223     }
 224
 225     private Collection<String> getAllCmHandleReferences(final boolean outputAlternateId) {
 226         return cmHandleQueryService.getAllCmHandleReferences(outputAlternateId);
 227     }
 228
 229     private Flux<NcmpServiceCmHandle> getNcmpServiceCmHandles(final Collection<String> cmHandleIds) {
 230         return Flux.fromIterable(cmHandleIds)
 231                 .buffer(FLUX_BUFFER_SIZE)
 232                 .map(this::getNcmpServiceCmHandleBatch)
 233                 .flatMap(Flux::fromIterable);
 234     }
 235
 236     private Collection<NcmpServiceCmHandle> getNcmpServiceCmHandleBatch(final Collection<String> cmHandleIds) {
 237         final Collection<YangModelCmHandle> yangModelcmHandles
 238                 = inventoryPersistence.getYangModelCmHandles(cmHandleIds);
 239
 240         final Collection<NcmpServiceCmHandle> ncmpServiceCmHandles = new ArrayList<>(yangModelcmHandles.size());
 241
 242         yangModelcmHandles.forEach(yangModelcmHandle ->
 243                 ncmpServiceCmHandles.add(YangDataConverter.toNcmpServiceCmHandle(yangModelcmHandle))
 244         );
 245         trustLevelManager.applyEffectiveTrustLevels(ncmpServiceCmHandles);
 246         return ncmpServiceCmHandles;
 247     }
 248
 249     private NcmpServiceCmHandle createNcmpServiceCmHandle(final DataNode dataNode) {
 250         return toNcmpServiceCmHandle(YangDataConverter.toYangModelCmHandle(dataNode));
 251     }
 252
 253     private Collection<String> executeQueries(final CmHandleQueryServiceParameters cmHandleQueryServiceParameters,
 254                                               final boolean outputAlternateId,
 255                                               final BiFunction<CmHandleQueryServiceParameters, Boolean,
 256                                                       Collection<String>>... queryFunctions) {
 257         if (cmHandleQueryServiceParameters.getCmHandleQueryParameters().isEmpty()) {
 258             return getAllCmHandleReferences(outputAlternateId);
 259         }
 260         Collection<String> combinedQueryResult = NO_QUERY_TO_EXECUTE;
 261         for (final BiFunction<CmHandleQueryServiceParameters, Boolean,
 262                 Collection<String>> queryFunction : queryFunctions) {
 263             final Collection<String> queryResult = queryFunction.apply(cmHandleQueryServiceParameters,
 264                     outputAlternateId);
 265             if (noEntriesFoundCanStopQuerying(queryResult)) {
 266                 return Collections.emptySet();
 267             }
 268             combinedQueryResult = combineCmHandleQueryResults(combinedQueryResult, queryResult);
 269         }
 270         return combinedQueryResult;
 271     }
 272
 273     private boolean noEntriesFoundCanStopQuerying(final Collection<String> queryResult) {
 274         return queryResult != NO_QUERY_TO_EXECUTE && queryResult.isEmpty();
 275     }
 276
 277     private Collection<String> combineCmHandleQueryResults(final Collection<String> firstQuery,
 278                                                            final Collection<String> secondQuery) {
 279         if (firstQuery == NO_QUERY_TO_EXECUTE && secondQuery == NO_QUERY_TO_EXECUTE) {
 280             return NO_QUERY_TO_EXECUTE;
 281         } else if (firstQuery == NO_QUERY_TO_EXECUTE) {
 282             return secondQuery;
 283         } else if (secondQuery == NO_QUERY_TO_EXECUTE) {
 284             return firstQuery;
 285         } else {
 286             firstQuery.retainAll(secondQuery);
 287             return firstQuery;
 288         }
 289     }
 290
 291 }