catalog-be/src/main/java/org/openecomp/sdc/be/tosca/CapabilityRequirementConverter.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.tosca;
  22
  23 import static org.apache.commons.collections.CollectionUtils.isNotEmpty;
  24 import static org.apache.commons.lang3.StringUtils.isBlank;
  25 import static org.apache.commons.lang3.StringUtils.isNoneBlank;
  26
  27 import com.google.common.collect.Iterables;
  28 import com.google.common.collect.Maps;
  29 import fj.data.Either;
  30 import java.util.ArrayList;
  31 import java.util.Collections;
  32 import java.util.HashMap;
  33 import java.util.Iterator;
  34 import java.util.List;
  35 import java.util.Map;
  36 import java.util.Optional;
  37 import java.util.function.Function;
  38 import java.util.stream.Collectors;
  39 import org.apache.commons.collections.CollectionUtils;
  40 import org.apache.commons.collections.MapUtils;
  41 import org.apache.commons.lang3.StringUtils;
  42 import org.apache.commons.lang3.tuple.ImmutablePair;
  43 import org.openecomp.sdc.be.datatypes.elements.CapabilityDataDefinition;
  44 import org.openecomp.sdc.be.datatypes.elements.RequirementDataDefinition;
  45 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
  46 import org.openecomp.sdc.be.model.CapabilityDefinition;
  47 import org.openecomp.sdc.be.model.Component;
  48 import org.openecomp.sdc.be.model.ComponentInstance;
  49 import org.openecomp.sdc.be.model.ComponentInstanceProperty;
  50 import org.openecomp.sdc.be.model.ComponentParametersView;
  51 import org.openecomp.sdc.be.model.DataTypeDefinition;
  52 import org.openecomp.sdc.be.model.GroupDefinition;
  53 import org.openecomp.sdc.be.model.PropertyDefinition;
  54 import org.openecomp.sdc.be.model.RequirementDefinition;
  55 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
  56 import org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter;
  57 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
  58 import org.openecomp.sdc.be.model.utils.ComponentUtilities;
  59 import org.openecomp.sdc.be.tosca.ToscaUtils.SubstitutionEntry;
  60 import org.openecomp.sdc.be.tosca.model.SubstitutionMapping;
  61 import org.openecomp.sdc.be.tosca.model.ToscaCapability;
  62 import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
  63 import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
  64 import org.openecomp.sdc.be.tosca.model.ToscaProperty;
  65 import org.openecomp.sdc.be.tosca.model.ToscaRequirement;
  66 import org.openecomp.sdc.be.tosca.model.ToscaTemplateCapability;
  67 import org.openecomp.sdc.common.log.wrappers.Logger;
  68 import org.springframework.beans.factory.annotation.Autowired;
  69 import org.springframework.context.annotation.Scope;
  70
  71 /**
  72  * Allows to convert requirements\capabilities of a component to requirements\capabilities of a substitution mappings section of a tosca template
  73  *
  74  */
  75 @org.springframework.stereotype.Component("capabilty-requirement-convertor")
  76 @Scope(value = "singleton")
  77 public class CapabilityRequirementConverter {
  78
  79     private static final String NO_CAPABILITIES = "No Capabilities for node type";
  80     private static final String NO_REQUIREMENTS = "No Requirements for node type";
  81     private static CapabilityRequirementConverter instance;
  82     private static final Logger logger = Logger.getLogger(CapabilityRequirementConverter.class);
  83     private static final String PATH_DELIMITER = ".";
  84     private static final String FAILED_TO_FIND_CI_IN_PATH ="Failed to find ci in the path is {} component {}";
  85
  86     @Autowired
  87     private ToscaOperationFacade toscaOperationFacade;
  88     @Autowired
  89     private PropertyConvertor propertyConvertor;
  90
  91     public CapabilityRequirementConverter() {}
  92
  93     public static synchronized CapabilityRequirementConverter getInstance() {
  94         if (instance == null) {
  95             instance = new CapabilityRequirementConverter();
  96         }
  97         return instance;
  98     }
  99
 100     public String buildCapabilityNameForComponentInstance( Map<String,Component> componentCache , ComponentInstance componentInstance, CapabilityDefinition c) {
 101         String prefix = buildCapReqNamePrefix(componentInstance.getNormalizedName());
 102         if(ComponentUtilities.isNotUpdatedCapReqName(prefix, c.getName(), c.getPreviousName())){
 103             return buildSubstitutedName(componentCache, c.getName(), c.getPreviousName(), c.getPath(), c.getOwnerId(), componentInstance)
 104                     .left()
 105                     .orValue(c.getName());
 106         }
 107         return c.getPreviousName();
 108     }
 109
 110     public String buildRequirementNameForComponentInstance(Map<String,Component> componentCache,
 111                                                            ComponentInstance componentInstance,
 112                                                            RequirementDefinition r) {
 113         String prefix = buildCapReqNamePrefix(componentInstance.getNormalizedName());
 114         if (ComponentUtilities.isNotUpdatedCapReqName(prefix, r.getName(), r.getPreviousName())) {
 115             return buildSubstitutedName(componentCache, r.getName(), r.getPreviousName(), r.getPath(), r.getOwnerId(),
 116                     componentInstance).left()
 117                     .orValue(r.getName());
 118         }
 119         return r.getPreviousName();
 120     }
 121
 122     private String buildCapReqNamePrefix(String normalizedName) {
 123         return normalizedName + PATH_DELIMITER;
 124     }
 125
 126     /**
 127      * Allows to convert capabilities of a component to capabilities of a substitution mappings section of a tosca template
 128      * @param componentInstance
 129      * @param dataTypes
 130      * @param nodeTemplate
 131      * @return
 132      */
 133     public Either<ToscaNodeTemplate, ToscaError> convertComponentInstanceCapabilities(ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, ToscaNodeTemplate nodeTemplate) {
 134
 135         Map<String, List<CapabilityDefinition>> capabilitiesInst = componentInstance.getCapabilities();
 136         Map<String,Component> componentCache = new HashMap<>();
 137         if (capabilitiesInst != null && !capabilitiesInst.isEmpty()) {
 138             Map<String, ToscaTemplateCapability> capabilities = new HashMap<>();
 139             capabilitiesInst.entrySet().forEach( e -> {
 140                 List<CapabilityDefinition> capList = e.getValue();
 141                 if ( capList != null && !capList.isEmpty() ) {
 142                     capList.stream()
 143                             .forEach( c -> convertOverridenProperties( componentInstance, dataTypes, capabilities, c ,
 144                                 buildCapabilityNameForComponentInstance( componentCache , componentInstance , c )));
 145                 }
 146             });
 147             if (MapUtils.isNotEmpty(capabilities)) {
 148                 nodeTemplate.setCapabilities(capabilities);
 149             }
 150         }
 151         return Either.left(nodeTemplate);
 152     }
 153
 154     private void convertOverridenProperties(ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, Map<String, ToscaTemplateCapability> capabilties, CapabilityDefinition c , String capabilityName) {
 155         if (isNotEmpty(c.getProperties())) {
 156             c.getProperties()
 157             .stream()
 158             .filter(p -> p.getValue() != null || p.getDefaultValue() != null)
 159             .forEach(p -> convertOverriddenProperty(componentInstance, dataTypes, capabilties , p ,capabilityName));
 160         }
 161     }
 162
 163     private void convertOverriddenProperty(ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, Map<String, ToscaTemplateCapability> capabilties, ComponentInstanceProperty p , String capabilityName) {
 164         if (logger.isDebugEnabled()) {
 165             logger.debug("Exist d property {} for capability {} with value {}", p.getName(), capabilityName, p.getValue());
 166         }
 167         ToscaTemplateCapability toscaTemplateCapability = capabilties.computeIfAbsent( capabilityName , key -> new ToscaTemplateCapability() );
 168
 169         Map<String, Object> toscaCapProp = toscaTemplateCapability.getProperties();
 170         if (toscaCapProp == null) {
 171             toscaCapProp = new HashMap<>();
 172         }
 173         Object convertedValue = convertInstanceProperty(dataTypes, componentInstance, p);
 174         toscaCapProp.put(p.getName(), convertedValue);
 175         toscaTemplateCapability.setProperties(toscaCapProp);
 176     }
 177
 178     private Object convertInstanceProperty(Map<String, DataTypeDefinition> dataTypes, ComponentInstance componentInstance, ComponentInstanceProperty prop) {
 179         logger.debug("Convert property {} for instance {}", prop.getName(), componentInstance.getUniqueId());
 180         String propValue = prop.getValue() == null ? prop.getDefaultValue() : prop.getValue();
 181         return propertyConvertor.convertToToscaObject(prop, propValue, dataTypes, false);
 182     }
 183     /**
 184      * Allows to convert requirements of a node type to tosca template requirements representation
 185      * @param component
 186      * @param nodeType
 187      * @return
 188      */
 189     public Either<ToscaNodeType, ToscaError> convertRequirements(Map<String, Component> componentsCache, Component component, ToscaNodeType nodeType) {
 190         List<Map<String, ToscaRequirement>> toscaRequirements = convertRequirementsAsList(componentsCache, component);
 191         if (!toscaRequirements.isEmpty()) {
 192             nodeType.setRequirements(toscaRequirements);
 193         }
 194         logger.debug("Finish convert Requirements for node type");
 195
 196         return Either.left(nodeType);
 197     }
 198
 199     /**
 200      * Allows to convert component requirements to the tosca template substitution mappings requirements
 201      * @param componentsCache
 202      * @param component
 203      * @param substitutionMappings
 204      * @return
 205      */
 206     public Either<SubstitutionMapping, ToscaError> convertSubstitutionMappingRequirements(Map<String,Component> componentsCache, Component component, SubstitutionMapping substitutionMappings) {
 207         Either<SubstitutionMapping, ToscaError> result = Either.left(substitutionMappings);
 208         Either<Map<String, String[]>, ToscaError> toscaRequirementsRes = convertSubstitutionMappingRequirementsAsMap(componentsCache, component);
 209         if(toscaRequirementsRes.isRight()){
 210             result = Either.right(toscaRequirementsRes.right().value());
 211             logger.debug("Failed convert requirements for the component {}. ", component.getName());
 212         } else if (MapUtils.isNotEmpty(toscaRequirementsRes.left().value())) {
 213             substitutionMappings.setRequirements(toscaRequirementsRes.left().value());
 214             result = Either.left(substitutionMappings);
 215             logger.debug("Finish convert requirements for the component {}. ", component.getName());
 216         }
 217         return result;
 218     }
 219
 220     /**
 221      * Allows to convert requirements of a server proxy node type to tosca template requirements
 222      * @param instanceProxy
 223      * @return converted tosca template requirements
 224      */
 225     List<Map<String, ToscaRequirement>> convertProxyRequirements(Map<String, Component> componentCache,
 226                                                                  ComponentInstance instanceProxy) {
 227         Map<String, List<RequirementDefinition>> requirements = instanceProxy.getRequirements();
 228         List<Map<String, ToscaRequirement>> toscaRequirements = new ArrayList<>();
 229         if (requirements != null) {
 230             requirements.entrySet().stream()
 231                     .flatMap(e -> e.getValue().stream())
 232                     .forEach(req -> {
 233                 ImmutablePair<String, ToscaRequirement> pair = convertProxyRequirement(
 234                         buildRequirementNameForComponentInstance(componentCache, instanceProxy, req), req);
 235                 Map<String, ToscaRequirement> requirement = new HashMap<>();
 236                 requirement.put(pair.left, pair.right);
 237                 toscaRequirements.add(requirement);
 238             });
 239         } else {
 240             logger.debug(NO_REQUIREMENTS);
 241         }
 242
 243         return toscaRequirements;
 244     }
 245
 246     private ImmutablePair<String, ToscaRequirement> convertProxyRequirement(String requirementName,
 247                                                                             RequirementDefinition r) {
 248         ToscaRequirement toscaRequirement = createToscaRequirement(r);
 249         return new ImmutablePair<>(requirementName, toscaRequirement);
 250     }
 251
 252     private List<Map<String, ToscaRequirement>> convertRequirementsAsList(Map<String, Component> componentsCache, Component component) {
 253         Map<String, List<RequirementDefinition>> requirements = component.getRequirements();
 254         List<Map<String, ToscaRequirement>> toscaRequirements = new ArrayList<>();
 255         if (requirements != null) {
 256             for (Map.Entry<String, List<RequirementDefinition>> entry : requirements.entrySet()) {
 257                 entry.getValue().stream().filter(r -> filter(component, r.getOwnerId())).forEach(r -> {
 258                     ImmutablePair<String, ToscaRequirement> pair = convertRequirement(componentsCache, component, ModelConverter.isAtomicComponent(component), r);
 259                     Map<String, ToscaRequirement> requirement = new HashMap<>();
 260
 261                     requirement.put(pair.left, pair.right);
 262                     toscaRequirements.add(requirement);
 263                 });
 264                 logger.debug("Finish convert Requirements for node type");
 265             }
 266         } else {
 267             logger.debug(NO_REQUIREMENTS);
 268         }
 269         return toscaRequirements;
 270     }
 271
 272     private boolean filter(Component component, String ownerId) {
 273         return !ModelConverter.isAtomicComponent(component) || isNodeTypeOwner(component, ownerId) || (ModelConverter.isAtomicComponent(component) && ownerId == null);
 274     }
 275
 276     private boolean isNodeTypeOwner(Component component, String ownerId) {
 277         return ModelConverter.isAtomicComponent(component) && component.getUniqueId().equals(ownerId);
 278     }
 279
 280     private String dropLast( String path, String delimiter ) {
 281         if (isBlank(path) || isBlank(delimiter)){
 282             return path;
 283         }
 284         return path.substring(0, path.lastIndexOf(delimiter));
 285     }
 286
 287     private Either<Map<String, String[]>, ToscaError> convertSubstitutionMappingRequirementsAsMap(Map<String, Component> componentsCache, Component component) {
 288         Map<String, List<RequirementDefinition>> requirements = component.getRequirements();
 289         Either<Map<String, String[]>, ToscaError> result;
 290         if (requirements != null) {
 291             result = buildAddSubstitutionMappingsRequirements(componentsCache, component, requirements);
 292         } else {
 293             result = Either.left(Maps.newHashMap());
 294             logger.debug("No requirements for substitution mappings section of a tosca template of the component {}. ", component.getName());
 295         }
 296         return result;
 297     }
 298
 299     private Either<Map<String, String[]>, ToscaError> buildAddSubstitutionMappingsRequirements(Map<String, Component> componentsCache, Component component, Map<String, List<RequirementDefinition>> requirements) {
 300
 301         Map<String, String[]> toscaRequirements = new HashMap<>();
 302         Either<Map<String, String[]>, ToscaError> result = null;
 303         for (Map.Entry<String, List<RequirementDefinition>> entry : requirements.entrySet()) {
 304             Optional<RequirementDefinition> failedToAddRequirement = entry.getValue()
 305                     .stream().filter(RequirementDefinition::isExternal)
 306                     .filter(r->!addEntry(componentsCache, toscaRequirements, component, new SubstitutionEntry(r.getName(), r.getParentName(), ""), r.getPreviousName(), r.getOwnerId(), r.getPath()))
 307                     .findAny();
 308             if(failedToAddRequirement.isPresent()){
 309                 logger.debug("Failed to convert requirement {} for substitution mappings section of a tosca template of the component {}. ",
 310                         failedToAddRequirement.get().getName(), component.getName());
 311                 result = Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
 312             }
 313             logger.debug("Finish convert requirements for the component {}. ", component.getName());
 314         }
 315         if(result == null){
 316             result = Either.left(toscaRequirements);
 317         }
 318         return result;
 319     }
 320
 321     private Either<Map<String, String[]>, ToscaError> buildAddSubstitutionMappingsCapabilities(Map<String, Component> componentsCache, Component component, Map<String, List<CapabilityDefinition>> capabilities) {
 322
 323         Map<String, String[]> toscaCapabilities = new HashMap<>();
 324         Either<Map<String, String[]>, ToscaError> result = null;
 325         for (Map.Entry<String, List<CapabilityDefinition>> entry : capabilities.entrySet()) {
 326             Optional<CapabilityDefinition> failedToAddRequirement = entry.getValue()
 327                     .stream()
 328                     .filter(c->!addEntry(componentsCache, toscaCapabilities, component, new SubstitutionEntry(c.getName(), c.getParentName(), ""), c.getPreviousName(), c.getOwnerId(), c.getPath()))
 329                     .findAny();
 330             if(failedToAddRequirement.isPresent()){
 331                 logger.debug("Failed to convert capability {} for substitution mappings section of a tosca template of the component {}. ",
 332                         failedToAddRequirement.get().getName(), component.getName());
 333                 result = Either.right(ToscaError.NODE_TYPE_CAPABILITY_ERROR);
 334             }
 335             logger.debug("Finish convert capabilities for the component {}. ", component.getName());
 336         }
 337         if(result == null){
 338             result = Either.left(toscaCapabilities);
 339         }
 340         return result;
 341     }
 342
 343     private boolean addEntry(Map<String, Component> componentsCache, Map<String, String[]> capReqMap, Component component, SubstitutionEntry entry, String previousName, String ownerId, List<String> path){
 344
 345         if(shouldBuildSubstitutionName(component, path) && !buildSubstitutedNamePerInstance(componentsCache, component, entry.getFullName(), previousName, path, ownerId, entry)){
 346             return false;
 347         }
 348         logger.debug("The requirement/capability {} belongs to the component {} ", entry.getFullName(), component.getUniqueId());
 349         if (StringUtils.isNotEmpty(entry.getSourceName())) {
 350             addEntry(capReqMap, component, path, entry);
 351         }
 352         logger.debug("Finish convert the requirement/capability {} for the component {}. ", entry.getFullName(), component.getName());
 353         return true;
 354
 355     }
 356
 357     private boolean shouldBuildSubstitutionName(Component component, List<String> path) {
 358         return ToscaUtils.isNotComplexVfc(component) && isNotEmpty(path) && path.iterator().hasNext();
 359     }
 360
 361     private boolean buildSubstitutedNamePerInstance(Map<String, Component> componentsCache, Component component, String name, String previousName, List<String> path, String ownerId, SubstitutionEntry entry) {
 362         String fullName;
 363         String sourceName;
 364         String prefix;
 365         if(CollectionUtils.isNotEmpty(component.getGroups())) {
 366             Optional<GroupDefinition> groupOpt = component.getGroups().stream().filter(g -> g.getUniqueId().equals(ownerId)).findFirst();
 367             if (groupOpt.isPresent()) {
 368                 prefix = buildCapReqNamePrefix(groupOpt.get().getNormalizedName());
 369                 if(ComponentUtilities.isNotUpdatedCapReqName(prefix, name, previousName)){
 370                     sourceName = name;
 371                     fullName = prefix + sourceName;
 372                 } else {
 373                     sourceName = previousName;
 374                     fullName = name;
 375                 }
 376                 entry.setFullName(fullName);
 377                 entry.setSourceName(sourceName);
 378                 entry.setOwner(groupOpt.get().getNormalizedName());
 379                 return true;
 380             }
 381         }
 382
 383         Optional<ComponentInstance> ci =
 384                 component.safeGetComponentInstances().stream().filter(c->c.getUniqueId().equals(Iterables.getLast(path))).findFirst();
 385         if(!ci.isPresent()){
 386             logger.debug(FAILED_TO_FIND_CI_IN_PATH, path, component.getUniqueId());
 387
 388             Collections.reverse(path);
 389
 390             logger.debug("try to reverse path {} component {}", path, component.getUniqueId());
 391             ci = component.safeGetComponentInstances().stream().filter(c->c.getUniqueId().equals(Iterables.getLast(path))).findFirst();
 392         }
 393         if(ci.isPresent()){
 394             prefix = buildCapReqNamePrefix(ci.get().getNormalizedName());
 395             if(ComponentUtilities.isNotUpdatedCapReqName(prefix, name, previousName)){
 396                 Either<String, Boolean> buildSubstitutedName = buildSubstitutedName(componentsCache, name, previousName, path, ownerId, ci.get());
 397                 if(buildSubstitutedName.isRight()){
 398                     logger.debug("Failed buildSubstitutedName name {}  path {} component {}", name, path, component.getUniqueId());
 399                     return false;
 400                 }
 401                 sourceName = buildSubstitutedName.left().value();
 402                 fullName = prefix + sourceName;
 403             } else {
 404                 sourceName = previousName;
 405                 fullName = name;
 406             }
 407             entry.setFullName(fullName);
 408             entry.setSourceName(sourceName);
 409         } else {
 410             logger.debug(FAILED_TO_FIND_CI_IN_PATH, path, component.getUniqueId());
 411             return false;
 412         }
 413         return true;
 414     }
 415
 416     private void addEntry(Map<String, String[]> toscaRequirements, Component component, List<String> capPath, SubstitutionEntry entry) {
 417         Optional<ComponentInstance> findFirst = component.safeGetComponentInstances().stream().filter(ci -> ci.getUniqueId().equals(Iterables.getLast(capPath))).findFirst();
 418         findFirst.ifPresent(componentInstance -> entry.setOwner(componentInstance.getName()));
 419         if (StringUtils.isNotEmpty(entry.getOwner()) && StringUtils.isNotEmpty(entry.getSourceName())) {
 420             toscaRequirements.put(entry.getFullName(), new String[] { entry.getOwner(), entry.getSourceName() });
 421         }
 422     }
 423
 424     public Either<String, Boolean> buildSubstitutedName(Map<String, Component> componentsCache, String name, String previousName, List<String> path, String ownerId, ComponentInstance instance) {
 425         if(StringUtils.isNotEmpty(previousName)){
 426             return Either.left(name);
 427         }
 428         Either<Component, Boolean> getOriginRes = getOriginComponent(componentsCache, instance);
 429         if(getOriginRes.isRight()){
 430             logger.debug("Failed to build substituted name for the capability/requirement {}. Failed to get an origin component with uniqueId {}", name, instance.getComponentUid());
 431             return Either.right(false);
 432         }
 433         List<String> reducedPath = ownerId !=null ? getReducedPathByOwner(path , ownerId ) : getReducedPath(path) ;
 434         logger.debug("reducedPath for ownerId {}, reducedPath {} ", ownerId, reducedPath);
 435         reducedPath.remove(reducedPath.size() - 1);
 436         return buildSubstitutedName(componentsCache, getOriginRes.left().value(), reducedPath, name, previousName);
 437     }
 438
 439     private String buildReqNamePerOwnerByPath(Map<String, Component> componentsCache, Component component, RequirementDefinition r) {
 440         return buildCapReqNamePerOwnerByPath(componentsCache, component, r.getName(), r.getPreviousName(), r.getPath());
 441     }
 442
 443     private ImmutablePair<String, ToscaRequirement> convertRequirement(Map<String, Component> componentsCache, Component component, boolean isNodeType, RequirementDefinition r) {
 444         String name = r.getName();
 445         if (!isNodeType && ToscaUtils.isNotComplexVfc(component)) {
 446             name = buildReqNamePerOwnerByPath(componentsCache, component, r);
 447         }
 448         logger.debug("the requirement {} belongs to resource {} ", name, component.getUniqueId());
 449         ToscaRequirement toscaRequirement = createToscaRequirement(r);
 450         return new ImmutablePair<>(name, toscaRequirement);
 451     }
 452
 453     private ToscaRequirement createToscaRequirement(RequirementDefinition r) {
 454         ToscaRequirement toscaRequirement = new ToscaRequirement();
 455
 456         List<Object> occurrences = new ArrayList<>();
 457         occurrences.add(Integer.valueOf(r.getMinOccurrences()));
 458         if (r.getMaxOccurrences().equals(RequirementDataDefinition.MAX_OCCURRENCES)) {
 459             occurrences.add(r.getMaxOccurrences());
 460         } else {
 461             occurrences.add(Integer.valueOf(r.getMaxOccurrences()));
 462         }
 463         toscaRequirement.setOccurrences(occurrences);
 464         toscaRequirement.setNode(r.getNode());
 465         toscaRequirement.setCapability(r.getCapability());
 466         toscaRequirement.setRelationship(r.getRelationship());
 467         return toscaRequirement;
 468     }
 469
 470     /**
 471      * Allows to convert capabilities of a node type to tosca template capabilities
 472      * @param component
 473      * @param dataTypes
 474      * @return
 475      */
 476     public Map<String, ToscaCapability> convertCapabilities(Map<String, Component> componentsCache, Component component, Map<String, DataTypeDefinition> dataTypes) {
 477         Map<String, List<CapabilityDefinition>> capabilities = component.getCapabilities();
 478         Map<String, ToscaCapability> toscaCapabilities = new HashMap<>();
 479         if (capabilities != null) {
 480             boolean isNodeType = ModelConverter.isAtomicComponent(component);
 481             for (Map.Entry<String, List<CapabilityDefinition>> entry : capabilities.entrySet()) {
 482                 entry.getValue().stream().filter(c -> filter(component, c.getOwnerId())).forEach(c -> convertCapability(componentsCache, component, toscaCapabilities, isNodeType, c, dataTypes , c.getName()));
 483             }
 484         } else {
 485             logger.debug(NO_CAPABILITIES);
 486         }
 487
 488         return toscaCapabilities;
 489     }
 490
 491     /**
 492      * Allows to convert capabilities of a server proxy node type to tosca template capabilities
 493      * @param instanceProxy
 494      * @param dataTypes
 495      * @return
 496      */
 497     public Map<String, ToscaCapability> convertProxyCapabilities(Map<String, Component> componentCache,
 498                                                                  ComponentInstance instanceProxy,
 499                                                                  Map<String, DataTypeDefinition> dataTypes) {
 500         Map<String, List<CapabilityDefinition>> capabilities = instanceProxy.getCapabilities();
 501         Map<String, ToscaCapability> toscaCapabilities = new HashMap<>();
 502         if (capabilities != null) {
 503             for (Map.Entry<String, List<CapabilityDefinition>> entry : capabilities.entrySet()) {
 504                 entry.getValue()
 505                         .stream()
 506                         .forEach(c -> convertProxyCapability(toscaCapabilities, c, dataTypes ,
 507                                 buildCapabilityNameForComponentInstance( componentCache , instanceProxy , c )));
 508             }
 509         } else {
 510             logger.debug(NO_CAPABILITIES);
 511         }
 512
 513         return toscaCapabilities;
 514     }
 515
 516     /**
 517      * Allows to convert component capabilities to the tosca template substitution mappings capabilities
 518      * @param componentsCache
 519      * @param component
 520      * @return
 521      */
 522     public Either<Map<String, String[]>, ToscaError> convertSubstitutionMappingCapabilities(Map<String, Component> componentsCache, Component component) {
 523         Map<String, List<CapabilityDefinition>> capabilities = component.getCapabilities();
 524         Either<Map<String, String[]>, ToscaError> res;
 525         if (capabilities != null) {
 526             res = buildAddSubstitutionMappingsCapabilities(componentsCache, component, capabilities);
 527         } else {
 528             res = Either.left(Maps.newHashMap());
 529             logger.debug(NO_CAPABILITIES);
 530         }
 531         return res;
 532     }
 533
 534     private String buildCapNamePerOwnerByPath(Map<String, Component> componentsCache, CapabilityDefinition c, Component component) {
 535         return buildCapReqNamePerOwnerByPath(componentsCache, component, c.getName(), c.getPreviousName(), c.getPath());
 536     }
 537
 538     private void convertProxyCapability(Map<String, ToscaCapability> toscaCapabilities, CapabilityDefinition c,
 539                                         Map<String, DataTypeDefinition> dataTypes, String capabilityName) {
 540         createToscaCapability(toscaCapabilities, c, dataTypes, capabilityName);
 541     }
 542
 543     private void convertCapability(Map<String, Component> componentsCache, Component component, Map<String, ToscaCapability> toscaCapabilities, boolean isNodeType, CapabilityDefinition c, Map<String, DataTypeDefinition> dataTypes , String capabilityName) {
 544         String name = isNoneBlank(capabilityName) ? capabilityName : c.getName();
 545         if (!isNodeType && ToscaUtils.isNotComplexVfc(component)) {
 546             name = buildCapNamePerOwnerByPath(componentsCache, c, component);
 547         }
 548         logger.debug("The capability {} belongs to resource {} ", name, component.getUniqueId());
 549         createToscaCapability(toscaCapabilities, c, dataTypes, name);
 550     }
 551
 552     private void createToscaCapability(Map<String, ToscaCapability> toscaCapabilities, CapabilityDefinition c,
 553                                        Map<String, DataTypeDefinition> dataTypes, String name) {
 554         ToscaCapability toscaCapability = new ToscaCapability();
 555         toscaCapability.setDescription(c.getDescription());
 556         toscaCapability.setType(c.getType());
 557
 558         List<Object> occurrences = new ArrayList<>();
 559         occurrences.add(Integer.valueOf(c.getMinOccurrences()));
 560         if (c.getMaxOccurrences().equals(CapabilityDataDefinition.MAX_OCCURRENCES)) {
 561             occurrences.add(c.getMaxOccurrences());
 562         } else {
 563             occurrences.add(Integer.valueOf(c.getMaxOccurrences()));
 564         }
 565         toscaCapability.setOccurrences(occurrences);
 566
 567         toscaCapability.setValid_source_types(c.getValidSourceTypes());
 568         List<ComponentInstanceProperty> properties = c.getProperties();
 569         if (isNotEmpty(properties)) {
 570             Map<String, ToscaProperty> toscaProperties = new HashMap<>();
 571             for (PropertyDefinition property : properties) {
 572                 ToscaProperty toscaProperty = propertyConvertor.convertProperty(dataTypes, property, PropertyConvertor.PropertyType.CAPABILITY);
 573                 toscaProperties.put(property.getName(), toscaProperty);
 574             }
 575             toscaCapability.setProperties(toscaProperties);
 576         }
 577         toscaCapabilities.put(name, toscaCapability);
 578     }
 579
 580     private String buildCapReqNamePerOwnerByPath(Map<String, Component> componentsCache, Component component, String name, String previousName, List<String> path) {
 581         if (CollectionUtils.isEmpty(path)) {
 582             return name;
 583         }
 584         String ownerId = path.get(path.size() - 1);
 585         String prefix;
 586         if(CollectionUtils.isNotEmpty(component.getGroups())) {
 587             Optional<GroupDefinition> groupOpt = component.getGroups().stream().filter(g -> g.getUniqueId().equals(ownerId)).findFirst();
 588             if (groupOpt.isPresent()) {
 589                 prefix = buildCapReqNamePrefix(groupOpt.get().getNormalizedName());
 590                 if(ComponentUtilities.isNotUpdatedCapReqName(prefix, name, previousName)){
 591                     return prefix + name;
 592                 }
 593                 return name;
 594             }
 595         }
 596         Optional<ComponentInstance> ci = component.safeGetComponentInstances().stream().filter(c->c.getUniqueId().equals(Iterables.getLast(path))).findFirst();
 597         if(!ci.isPresent()){
 598             logger.debug(FAILED_TO_FIND_CI_IN_PATH, path, component.getUniqueId());
 599
 600             Collections.reverse(path);
 601
 602             logger.debug("try to reverse path {} component {}", path, component.getUniqueId());
 603             ci = component.safeGetComponentInstances().stream().filter(c->c.getUniqueId().equals(Iterables.getLast(path))).findFirst();
 604         }
 605         if(ci.isPresent()){
 606             prefix = buildCapReqNamePrefix(ci.get().getNormalizedName());
 607             if(ComponentUtilities.isNotUpdatedCapReqName(prefix, name, previousName)){
 608                 Either<String, Boolean> buildSubstitutedName = buildSubstitutedName(componentsCache, name, previousName, path, ownerId, ci.get());
 609                 if(buildSubstitutedName.isRight()){
 610                     logger.debug("Failed buildSubstitutedName name {}  path {} component {}", name, path, component.getUniqueId());
 611                 }
 612                 return prefix + buildSubstitutedName.left().value();
 613             }
 614             return name;
 615         }
 616         return StringUtils.EMPTY;
 617     }
 618     /**
 619      * Allows to build substituted name of capability\requirement of the origin component instance according to the path
 620      * @param componentsCache
 621      * @param originComponent
 622      * @param path
 623      * @param name
 624      * @param previousName
 625      * @return
 626      */
 627     public Either<String, Boolean> buildSubstitutedName(Map<String, Component> componentsCache, Component originComponent, List<String> path, String name, String previousName) {
 628         if(StringUtils.isNotEmpty(previousName)){
 629             return Either.left(name);
 630         }
 631         StringBuilder substitutedName = new StringBuilder();
 632         boolean nameBuiltSuccessfully = true;
 633         if(isNotEmpty(path) && ToscaUtils.isNotComplexVfc(originComponent)){
 634             List<String> reducedPath = getReducedPath(path);
 635             Collections.reverse(reducedPath);
 636             nameBuiltSuccessfully = appendNameRecursively(componentsCache, originComponent, reducedPath.iterator(), substitutedName);
 637         }
 638         return nameBuiltSuccessfully ? Either.left(substitutedName.append(name).toString()) : Either.right(nameBuiltSuccessfully);
 639     }
 640
 641     protected List<String> getReducedPathByOwner(List<String> path , String ownerId) {
 642         logger.debug("ownerId {}, path {} ", ownerId, path);
 643         if ( CollectionUtils.isEmpty(path) ){
 644             logger.debug("cannot perform reduce by owner, path to component is empty");
 645             return path;
 646         }
 647         if ( isBlank(ownerId) ){
 648             logger.debug("cannot perform reduce by owner, component owner is empty");
 649             return path;
 650         }
 651         //reduce by owner
 652         Map map = path.stream().collect( Collectors.toMap( it -> dropLast(it,PATH_DELIMITER) , Function.identity() , ( a , b ) ->  a.endsWith(ownerId) ? a : b ));
 653         //reduce list&duplicates and preserve order
 654         return path.stream().distinct().filter(it -> map.values().contains(it) ).collect(Collectors.toList());
 655     }
 656
 657     private List<String> getReducedPath(List<String> path) {
 658         return path.stream().distinct().collect(Collectors.toList());
 659     }
 660
 661     private boolean appendNameRecursively(Map<String, Component> componentsCache, Component originComponent, Iterator<String> instanceIdIter, StringBuilder substitutedName) {
 662         if(isNotEmpty(originComponent.getComponentInstances()) && instanceIdIter.hasNext() && ToscaUtils.isNotComplexVfc(originComponent)){
 663             String ownerId = instanceIdIter.next();
 664             Optional<ComponentInstance> instanceOpt = originComponent.getComponentInstances().stream().filter(i -> i.getUniqueId().equals(ownerId)).findFirst();
 665             if(instanceOpt.isPresent()){
 666                 substitutedName.append(instanceOpt.get().getNormalizedName()).append(PATH_DELIMITER);
 667                 Either<Component, Boolean> getOriginRes = getOriginComponent(componentsCache, instanceOpt.get());
 668                 if(getOriginRes.isRight()){
 669                     return false;
 670                 }
 671                 appendNameRecursively(componentsCache, getOriginRes.left().value(), instanceIdIter, substitutedName);
 672             } else if(CollectionUtils.isNotEmpty(originComponent.getGroups())){
 673                 Optional<GroupDefinition> groupOpt = originComponent.getGroups().stream().filter(g -> g.getUniqueId().equals(ownerId)).findFirst();
 674                 if(!groupOpt.isPresent()){
 675                     logger.debug("Failed to find an capability owner with uniqueId {} on a component with uniqueId {}", ownerId, originComponent.getUniqueId());
 676                     return false;
 677                 }
 678                 substitutedName.append(groupOpt.get().getNormalizedName()).append(PATH_DELIMITER);
 679             } else {
 680                 logger.debug("Failed to find an capability owner with uniqueId {} on a component with uniqueId {}", ownerId, originComponent.getUniqueId());
 681                 return false;
 682             }
 683         }
 684         return true;
 685     }
 686
 687     Either<Component, Boolean> getOriginComponent(Map<String, Component> componentsCache, ComponentInstance instance) {
 688         Either<Component, Boolean> result;
 689         Either<Component, StorageOperationStatus> getOriginRes;
 690         if(componentsCache.containsKey(instance.getActualComponentUid())){
 691             result = Either.left(componentsCache.get(instance.getActualComponentUid()));
 692         } else {
 693             ComponentParametersView filter = getFilter(instance);
 694             getOriginRes = toscaOperationFacade.getToscaElement(instance.getActualComponentUid(), filter);
 695             if(getOriginRes.isRight()){
 696                 logger.debug("Failed to get an origin component with uniqueId {}", instance.getActualComponentUid());
 697                 result = Either.right(false);
 698             } else {
 699                 result = Either.left(getOriginRes.left().value());
 700                 componentsCache.put(getOriginRes.left().value().getUniqueId(), getOriginRes.left().value());
 701             }
 702         }
 703         return result;
 704     }
 705
 706     private ComponentParametersView getFilter(ComponentInstance instance) {
 707         ComponentParametersView filter = new ComponentParametersView(true);
 708         filter.setIgnoreComponentInstances(false);
 709         if(instance.getIsProxy()){
 710             filter.setIgnoreCapabilities(false);
 711             filter.setIgnoreRequirements(false);
 712             filter.setIgnoreCategories(false);
 713         }
 714         if(instance.getOriginType() == OriginTypeEnum.VF){
 715             filter.setIgnoreGroups(false);
 716         }
 717         return filter;
 718     }
 719
 720 }