catalog-be/src/main/java/org/openecomp/sdc/be/tosca/ToscaExportHandler.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.collections.MapUtils.isNotEmpty;
  25 import static org.openecomp.sdc.be.components.utils.PropertiesUtils.resolvePropertyValueFromInput;
  26 import static org.openecomp.sdc.be.tosca.InterfacesOperationsConverter.addInterfaceTypeElement;
  27 import static org.openecomp.sdc.tosca.datatypes.ToscaFunctions.GET_ATTRIBUTE;
  28 import static org.openecomp.sdc.tosca.datatypes.ToscaFunctions.GET_INPUT;
  29 import static org.openecomp.sdc.tosca.datatypes.ToscaFunctions.GET_PROPERTY;
  30
  31 import com.fasterxml.jackson.databind.ObjectMapper;
  32 import com.fasterxml.jackson.databind.SerializationFeature;
  33 import fj.data.Either;
  34 import java.beans.IntrospectionException;
  35 import java.util.ArrayList;
  36 import java.util.Arrays;
  37 import java.util.Collection;
  38 import java.util.Collections;
  39 import java.util.HashMap;
  40 import java.util.Iterator;
  41 import java.util.LinkedHashMap;
  42 import java.util.LinkedHashSet;
  43 import java.util.List;
  44 import java.util.Map;
  45 import java.util.Map.Entry;
  46 import java.util.Objects;
  47 import java.util.Optional;
  48 import java.util.Set;
  49 import java.util.function.Supplier;
  50 import java.util.stream.Collectors;
  51 import org.apache.commons.collections.CollectionUtils;
  52 import org.apache.commons.collections.MapUtils;
  53 import org.apache.commons.lang.StringUtils;
  54 import org.apache.commons.lang3.tuple.ImmutablePair;
  55 import org.apache.commons.lang3.tuple.ImmutableTriple;
  56 import org.apache.commons.lang3.tuple.Triple;
  57 import org.onap.sdc.tosca.services.YamlUtil;
  58 import org.openecomp.sdc.be.components.impl.exceptions.SdcResourceNotFoundException;
  59 import org.openecomp.sdc.be.config.ConfigurationManager;
  60 import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
  61 import org.openecomp.sdc.be.datatypes.components.ResourceMetadataDataDefinition;
  62 import org.openecomp.sdc.be.datatypes.elements.AttributeDataDefinition;
  63 import org.openecomp.sdc.be.datatypes.elements.CINodeFilterDataDefinition;
  64 import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
  65 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
  66 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  67 import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterCapabilityDataDefinition;
  68 import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterPropertyDataDefinition;
  69 import org.openecomp.sdc.be.datatypes.elements.RequirementSubstitutionFilterPropertyDataDefinition;
  70 import org.openecomp.sdc.be.datatypes.elements.SubstitutionFilterDataDefinition;
  71 import org.openecomp.sdc.be.datatypes.elements.ToscaArtifactDataDefinition;
  72 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  73 import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
  74 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
  75 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
  76 import org.openecomp.sdc.be.exception.ToscaExportException;
  77 import org.openecomp.sdc.be.model.ArtifactDefinition;
  78 import org.openecomp.sdc.be.model.AttributeDefinition;
  79 import org.openecomp.sdc.be.model.CapabilityDefinition;
  80 import org.openecomp.sdc.be.model.CapabilityRequirementRelationship;
  81 import org.openecomp.sdc.be.model.Component;
  82 import org.openecomp.sdc.be.model.ComponentInstance;
  83 import org.openecomp.sdc.be.model.ComponentInstanceInput;
  84 import org.openecomp.sdc.be.model.ComponentInstanceInterface;
  85 import org.openecomp.sdc.be.model.ComponentInstanceProperty;
  86 import org.openecomp.sdc.be.model.ComponentParametersView;
  87 import org.openecomp.sdc.be.model.DataTypeDefinition;
  88 import org.openecomp.sdc.be.model.GroupInstance;
  89 import org.openecomp.sdc.be.model.InputDefinition;
  90 import org.openecomp.sdc.be.model.InterfaceDefinition;
  91 import org.openecomp.sdc.be.model.PropertyDefinition;
  92 import org.openecomp.sdc.be.model.RelationshipInfo;
  93 import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
  94 import org.openecomp.sdc.be.model.RequirementDefinition;
  95 import org.openecomp.sdc.be.model.Resource;
  96 import org.openecomp.sdc.be.model.Service;
  97 import org.openecomp.sdc.be.model.cache.ApplicationDataTypeCache;
  98 import org.openecomp.sdc.be.model.category.CategoryDefinition;
  99 import org.openecomp.sdc.be.model.jsonjanusgraph.operations.ToscaOperationFacade;
 100 import org.openecomp.sdc.be.model.jsonjanusgraph.utils.ModelConverter;
 101 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
 102 import org.openecomp.sdc.be.model.operations.impl.InterfaceLifecycleOperation;
 103 import org.openecomp.sdc.be.tosca.builder.ToscaRelationshipBuilder;
 104 import org.openecomp.sdc.be.tosca.model.CapabilityFilter;
 105 import org.openecomp.sdc.be.tosca.model.NodeFilter;
 106 import org.openecomp.sdc.be.tosca.model.SubstitutionMapping;
 107 import org.openecomp.sdc.be.tosca.model.ToscaCapability;
 108 import org.openecomp.sdc.be.tosca.model.ToscaDataType;
 109 import org.openecomp.sdc.be.tosca.model.ToscaGroupTemplate;
 110 import org.openecomp.sdc.be.tosca.model.ToscaMetadata;
 111 import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
 112 import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
 113 import org.openecomp.sdc.be.tosca.model.ToscaPolicyTemplate;
 114 import org.openecomp.sdc.be.tosca.model.ToscaProperty;
 115 import org.openecomp.sdc.be.tosca.model.ToscaPropertyAssignment;
 116 import org.openecomp.sdc.be.tosca.model.ToscaRelationshipTemplate;
 117 import org.openecomp.sdc.be.tosca.model.ToscaRequirement;
 118 import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
 119 import org.openecomp.sdc.be.tosca.model.ToscaTemplateArtifact;
 120 import org.openecomp.sdc.be.tosca.model.ToscaTemplateRequirement;
 121 import org.openecomp.sdc.be.tosca.model.ToscaTopolgyTemplate;
 122 import org.openecomp.sdc.be.tosca.utils.ForwardingPathToscaUtil;
 123 import org.openecomp.sdc.be.tosca.utils.InputConverter;
 124 import org.openecomp.sdc.common.log.wrappers.Logger;
 125 import org.openecomp.sdc.externalupload.utils.ServiceUtils;
 126 import org.springframework.beans.factory.annotation.Autowired;
 127 import org.yaml.snakeyaml.DumperOptions;
 128 import org.yaml.snakeyaml.DumperOptions.FlowStyle;
 129 import org.yaml.snakeyaml.Yaml;
 130 import org.yaml.snakeyaml.introspector.BeanAccess;
 131 import org.yaml.snakeyaml.introspector.Property;
 132 import org.yaml.snakeyaml.introspector.PropertyUtils;
 133 import org.yaml.snakeyaml.nodes.MappingNode;
 134 import org.yaml.snakeyaml.nodes.Node;
 135 import org.yaml.snakeyaml.nodes.NodeTuple;
 136 import org.yaml.snakeyaml.nodes.Tag;
 137 import org.yaml.snakeyaml.representer.Represent;
 138 import org.yaml.snakeyaml.representer.Representer;
 139
 140 @org.springframework.stereotype.Component("tosca-export-handler")
 141 public class ToscaExportHandler {
 142
 143     private static final Logger log = Logger.getLogger(ToscaExportHandler.class);
 144
 145     private ApplicationDataTypeCache dataTypeCache;
 146     private ToscaOperationFacade toscaOperationFacade;
 147     private CapabilityRequirementConverter capabilityRequirementConverter;
 148     private PolicyExportParser policyExportParser;
 149     private GroupExportParser groupExportParser;
 150     private PropertyConvertor propertyConvertor;
 151     private InputConverter inputConverter;
 152     private InterfaceLifecycleOperation interfaceLifecycleOperation;
 153     private InterfacesOperationsConverter interfacesOperationsConverter;
 154
 155     @Autowired
 156     public ToscaExportHandler(ApplicationDataTypeCache dataTypeCache, ToscaOperationFacade toscaOperationFacade,
 157                               CapabilityRequirementConverter capabilityRequirementConverter,
 158                               PolicyExportParser policyExportParser,
 159                               GroupExportParser groupExportParser, PropertyConvertor propertyConvertor,
 160                               InputConverter inputConverter,
 161                               InterfaceLifecycleOperation interfaceLifecycleOperation,
 162                               InterfacesOperationsConverter interfacesOperationsConverter) {
 163         this.dataTypeCache = dataTypeCache;
 164         this.toscaOperationFacade = toscaOperationFacade;
 165         this.capabilityRequirementConverter = capabilityRequirementConverter;
 166         this.policyExportParser = policyExportParser;
 167         this.groupExportParser = groupExportParser;
 168         this.propertyConvertor = propertyConvertor;
 169         this.inputConverter = inputConverter;
 170         this.interfaceLifecycleOperation = interfaceLifecycleOperation;
 171         this.interfacesOperationsConverter = interfacesOperationsConverter;
 172     }
 173
 174     private static final String TOSCA_VERSION = "tosca_simple_yaml_1_3";
 175     private static final String SERVICE_NODE_TYPE_PREFIX = "org.openecomp.service.";
 176     private static final String IMPORTS_FILE_KEY = "file";
 177     private static final String TOSCA_INTERFACE_NAME = "-interface.yml";
 178     public static final String ASSET_TOSCA_TEMPLATE = "assettoscatemplate";
 179     private static final String FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION = "convertToToscaTemplate - failed to get Default Imports section from configuration";
 180     private static final String NOT_SUPPORTED_COMPONENT_TYPE = "Not supported component type {}";
 181     private static final String NATIVE_ROOT = "tosca.nodes.Root";
 182     private static YamlUtil yamlUtil = new YamlUtil();
 183
 184     public ToscaExportHandler() {
 185     }
 186
 187     public Either<ToscaRepresentation, ToscaError> exportComponent(Component component) {
 188         return convertToToscaTemplate(component).left().map(this::createToscaRepresentation);
 189     }
 190
 191     public Either<ToscaRepresentation, ToscaError> exportComponentInterface(final Component component,
 192                                                                             final boolean isAssociatedComponent) {
 193         final List<Map<String, Map<String, String>>> defaultToscaImportConfig = getDefaultToscaImportConfig();
 194         if (CollectionUtils.isEmpty(defaultToscaImportConfig)) {
 195             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 196             return Either.right(ToscaError.GENERAL_ERROR);
 197         }
 198
 199         String toscaVersion = null;
 200         if (component instanceof Resource) {
 201             toscaVersion = ((Resource) component).getToscaVersion();
 202         }
 203         ToscaTemplate toscaTemplate = new ToscaTemplate(toscaVersion != null ? toscaVersion : TOSCA_VERSION);
 204         toscaTemplate.setImports(new ArrayList<>(defaultToscaImportConfig));
 205         final Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 206         final Either<ToscaTemplate, ToscaError> toscaTemplateRes =
 207             convertInterfaceNodeType(new HashMap<>(), component, toscaTemplate, nodeTypes, isAssociatedComponent);
 208         if (toscaTemplateRes.isRight()) {
 209             return Either.right(toscaTemplateRes.right().value());
 210         }
 211
 212         toscaTemplate = toscaTemplateRes.left().value();
 213         ToscaRepresentation toscaRepresentation = this.createToscaRepresentation(toscaTemplate);
 214         return Either.left(toscaRepresentation);
 215     }
 216
 217     public ToscaRepresentation createToscaRepresentation(ToscaTemplate toscaTemplate) {
 218         CustomRepresenter representer = new CustomRepresenter();
 219         DumperOptions options = new DumperOptions();
 220         options.setAllowReadOnlyProperties(false);
 221         options.setPrettyFlow(true);
 222
 223         options.setDefaultFlowStyle(FlowStyle.FLOW);
 224         options.setCanonical(false);
 225
 226         representer.addClassTag(toscaTemplate.getClass(), Tag.MAP);
 227
 228         representer.setPropertyUtils(new UnsortedPropertyUtils());
 229         Yaml yaml = new Yaml(representer, options);
 230
 231         String yamlAsString = yaml.dumpAsMap(toscaTemplate);
 232
 233         StringBuilder sb = new StringBuilder();
 234         sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactHeader());
 235         sb.append(yamlAsString);
 236         sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactFooter());
 237
 238         return ToscaRepresentation.make(sb.toString().getBytes(), toscaTemplate);
 239     }
 240
 241     public Either<ToscaTemplate, ToscaError> getDependencies(Component component) {
 242         ToscaTemplate toscaTemplate = new ToscaTemplate(null);
 243         Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports = fillImports(component,
 244             toscaTemplate);
 245         if (fillImports.isRight()) {
 246             return Either.right(fillImports.right().value());
 247         }
 248         return Either.left(fillImports.left().value().left);
 249     }
 250
 251     public Either<ToscaTemplate, ToscaError> convertToToscaTemplate(final Component component) {
 252         final List<Map<String, Map<String, String>>> defaultToscaImportConfig = getDefaultToscaImportConfig();
 253         if (CollectionUtils.isEmpty(defaultToscaImportConfig)) {
 254             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 255             return Either.right(ToscaError.GENERAL_ERROR);
 256         }
 257         log.trace("start tosca export for {}", component.getUniqueId());
 258         String toscaVersion = null;
 259         if (component instanceof Resource) {
 260             toscaVersion = ((Resource) component).getToscaVersion();
 261         }
 262         final ToscaTemplate toscaTemplate = new ToscaTemplate(toscaVersion != null ? toscaVersion : TOSCA_VERSION);
 263         toscaTemplate.setMetadata(convertMetadata(component));
 264         toscaTemplate.setImports(new ArrayList<>(defaultToscaImportConfig));
 265         final Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 266         if (ModelConverter.isAtomicComponent(component)) {
 267             log.trace("convert component as node type");
 268             return convertNodeType(new HashMap<>(), component, toscaTemplate, nodeTypes);
 269         } else {
 270             log.trace("convert component as topology template");
 271             return convertToscaTemplate(component, toscaTemplate);
 272         }
 273
 274     }
 275
 276     private Either<ToscaTemplate, ToscaError> convertToscaTemplate(Component component, ToscaTemplate toscaNode) {
 277
 278         Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> importsRes = fillImports(component,
 279             toscaNode);
 280         if (importsRes.isRight()) {
 281             return Either.right(importsRes.right().value());
 282         }
 283         toscaNode = importsRes.left().value().left;
 284         Map<String, Component> componentCache = importsRes.left().value().right;
 285         Either<Map<String, ToscaNodeType>, ToscaError> nodeTypesMapEither = createProxyNodeTypes(componentCache,
 286             component);
 287         if (nodeTypesMapEither.isRight()) {
 288             log.debug("Failed to fetch normative service proxy resource by tosca name, error {}",
 289                 nodeTypesMapEither.right().value());
 290             return Either.right(nodeTypesMapEither.right().value());
 291         }
 292         Map<String, ToscaNodeType> nodeTypesMap = nodeTypesMapEither.left().value();
 293         if (nodeTypesMap != null && !nodeTypesMap.isEmpty()) {
 294             toscaNode.setNode_types(nodeTypesMap);
 295         }
 296
 297         createServiceSubstitutionNodeTypes(componentCache, component, toscaNode);
 298
 299         Either<Map<String, Object>, ToscaError> proxyInterfaceTypesEither = createProxyInterfaceTypes(component);
 300         if (proxyInterfaceTypesEither.isRight()) {
 301             log.debug("Failed to populate service proxy local interface types in tosca, error {}",
 302                 nodeTypesMapEither.right().value());
 303             return Either.right(proxyInterfaceTypesEither.right().value());
 304         }
 305         Map<String, Object> proxyInterfaceTypes = proxyInterfaceTypesEither.left().value();
 306         if (MapUtils.isNotEmpty(proxyInterfaceTypes)) {
 307             toscaNode.setInterface_types(proxyInterfaceTypes);
 308         }
 309
 310         Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
 311         if (dataTypesEither.isRight()) {
 312             log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
 313             return Either.right(ToscaError.GENERAL_ERROR);
 314         }
 315         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 316         ToscaTopolgyTemplate topologyTemplate = new ToscaTopolgyTemplate();
 317         List<InputDefinition> inputDef = component.getInputs();
 318         Map<String, ToscaProperty> inputs = inputConverter.convertInputs(inputDef, dataTypes);
 319
 320         if (!inputs.isEmpty()) {
 321             topologyTemplate.setInputs(inputs);
 322         }
 323
 324         final List<ComponentInstance> componentInstances = component.getComponentInstances();
 325         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties =
 326             component.getComponentInstancesProperties();
 327         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces =
 328             component.getComponentInstancesInterfaces();
 329         if (CollectionUtils.isNotEmpty(componentInstances)) {
 330             final Either<Map<String, ToscaNodeTemplate>, ToscaError> nodeTemplates =
 331                 convertNodeTemplates(component, componentInstances,
 332                     componentInstancesProperties, componentInstanceInterfaces,
 333                     componentCache, dataTypes, topologyTemplate);
 334             if (nodeTemplates.isRight()) {
 335                 return Either.right(nodeTemplates.right().value());
 336             }
 337             log.debug("node templates converted");
 338             topologyTemplate.setNode_templates(nodeTemplates.left().value());
 339         }
 340         final Map<String, ToscaRelationshipTemplate> relationshipTemplatesMap =
 341             new ToscaExportRelationshipTemplatesHandler()
 342                 .createFrom(topologyTemplate.getNode_templates());
 343         if (!relationshipTemplatesMap.isEmpty()) {
 344             topologyTemplate.setRelationshipTemplates(relationshipTemplatesMap);
 345         }
 346
 347         SubstitutionMapping substitutionMapping = new SubstitutionMapping();
 348         convertSubstitutionMappingFilter(component, substitutionMapping);
 349
 350         addGroupsToTopologyTemplate(component, topologyTemplate);
 351
 352         try {
 353             addPoliciesToTopologyTemplate(component, topologyTemplate);
 354         } catch (SdcResourceNotFoundException e) {
 355             log.debug("Fail to add policies to topology template:", e);
 356             return Either.right(ToscaError.GENERAL_ERROR);
 357         }
 358
 359         String toscaResourceName;
 360         switch (component.getComponentType()) {
 361             case RESOURCE:
 362                 toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 363                     .getMetadataDataDefinition()).getToscaResourceName();
 364                 break;
 365             case SERVICE:
 366                 toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 367                     + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 368                 break;
 369             default:
 370                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 371                 return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 372         }
 373         substitutionMapping.setNode_type(toscaResourceName);
 374         Either<SubstitutionMapping, ToscaError> capabilities = convertCapabilities(component, substitutionMapping,
 375             componentCache);
 376         if (capabilities.isRight()) {
 377             return Either.right(capabilities.right().value());
 378         }
 379         substitutionMapping = capabilities.left().value();
 380
 381         Either<SubstitutionMapping, ToscaError> requirements = capabilityRequirementConverter
 382             .convertSubstitutionMappingRequirements(componentCache, component, substitutionMapping);
 383         if (requirements.isRight()) {
 384             return Either.right(requirements.right().value());
 385         }
 386         substitutionMapping = requirements.left().value();
 387         final Map<String, String[]> propertyMappingMap = buildSubstitutionMappingPropertyMapping(component);
 388         if (!propertyMappingMap.isEmpty()) {
 389             substitutionMapping.setProperties(propertyMappingMap);
 390         }
 391
 392         final Map<String, String[]> attributesMappingMap = buildSubstitutionMappingAttributesMapping(component);
 393         if (!attributesMappingMap.isEmpty()) {
 394             substitutionMapping.setAttributes(attributesMappingMap);
 395         }
 396
 397         topologyTemplate.setSubstitution_mappings(substitutionMapping);
 398
 399         toscaNode.setTopology_template(topologyTemplate);
 400
 401         return Either.left(toscaNode);
 402     }
 403
 404     private void convertSubstitutionMappingFilter(final Component component,
 405                                                   final SubstitutionMapping substitutionMapping) {
 406         if (component.getSubstitutionFilter() != null
 407             && (component.getSubstitutionFilter().getProperties()).getListToscaDataDefinition() != null) {
 408             substitutionMapping
 409                 .setSubstitution_filter(convertToSubstitutionFilterComponent(component.getSubstitutionFilter()));
 410         }
 411     }
 412
 413     private void addGroupsToTopologyTemplate(Component component, ToscaTopolgyTemplate topologyTemplate) {
 414         Map<String, ToscaGroupTemplate> groups = groupExportParser.getGroups(component);
 415         if (groups != null) {
 416             topologyTemplate.addGroups(groups);
 417         }
 418     }
 419
 420     private void addPoliciesToTopologyTemplate(Component component, ToscaTopolgyTemplate topologyTemplate)
 421         throws SdcResourceNotFoundException {
 422         Map<String, ToscaPolicyTemplate> policies = policyExportParser.getPolicies(component);
 423         if (policies != null) {
 424             topologyTemplate.addPolicies(policies);
 425         }
 426     }
 427
 428     private Map<String, String> convertMetadata(Component component) {
 429         return convertMetadata(component, false, null);
 430     }
 431
 432     private Map<String, String> convertMetadata(Component component, boolean isInstance,
 433                                           ComponentInstance componentInstance) {
 434         Map<String, String> toscaMetadata = new LinkedHashMap<>();
 435         toscaMetadata.put(JsonPresentationFields.INVARIANT_UUID.getPresentation(), component.getInvariantUUID());
 436         toscaMetadata.put(JsonPresentationFields.UUID.getPresentation(), component.getUUID());
 437         toscaMetadata.put(JsonPresentationFields.NAME.getPresentation(), component.getComponentMetadataDefinition().getMetadataDataDefinition().getName());
 438         toscaMetadata.put(JsonPresentationFields.DESCRIPTION.getPresentation(), component.getDescription());
 439
 440         List<CategoryDefinition> categories = component.getCategories();
 441         CategoryDefinition categoryDefinition = categories.get(0);
 442         toscaMetadata.put(JsonPresentationFields.CATEGORY.getPresentation(), categoryDefinition.getName());
 443
 444         if (isInstance) {
 445             toscaMetadata.put(JsonPresentationFields.VERSION.getPresentation(),component.getVersion());
 446             toscaMetadata.put(JsonPresentationFields.CUSTOMIZATION_UUID.getPresentation(), componentInstance.getCustomizationUUID());
 447             if (componentInstance.getSourceModelInvariant() != null
 448                 && !componentInstance.getSourceModelInvariant().isEmpty()) {
 449                 toscaMetadata.put(JsonPresentationFields.VERSION.getPresentation(),componentInstance.getComponentVersion());
 450                 toscaMetadata.put(JsonPresentationFields.CI_SOURCE_MODEL_INVARIANT.getPresentation(),componentInstance.getSourceModelInvariant());
 451                 toscaMetadata.put(JsonPresentationFields.CI_SOURCE_MODEL_UUID.getPresentation(),componentInstance.getSourceModelUuid());
 452                 toscaMetadata.put(JsonPresentationFields.CI_SOURCE_MODEL_NAME.getPresentation(),componentInstance.getSourceModelName());
 453                 if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
 454                     toscaMetadata.put(JsonPresentationFields.NAME.getPresentation(),
 455                         componentInstance.getSourceModelName() + " " + OriginTypeEnum.ServiceProxy.getDisplayValue());
 456                 } else if (componentInstance.getOriginType() == OriginTypeEnum.ServiceSubstitution) {
 457                     toscaMetadata.put(JsonPresentationFields.NAME.getPresentation(),
 458                         componentInstance.getSourceModelName() + " " + OriginTypeEnum.ServiceSubstitution
 459                             .getDisplayValue());
 460                 }
 461                 toscaMetadata.put(JsonPresentationFields.DESCRIPTION.getPresentation(),componentInstance.getDescription());
 462             }
 463
 464         }
 465         switch (component.getComponentType()) {
 466             case RESOURCE:
 467                 Resource resource = (Resource) component;
 468
 469             if (isInstance && (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy || componentInstance.getOriginType() == OriginTypeEnum.ServiceSubstitution)) {
 470                     toscaMetadata.put(JsonPresentationFields.TYPE.getPresentation(), componentInstance.getOriginType().getDisplayValue());
 471                 } else {
 472                     toscaMetadata.put(JsonPresentationFields.TYPE.getPresentation(), resource.getResourceType().name());
 473                 }
 474                 toscaMetadata.put(JsonPresentationFields.SUB_CATEGORY.getPresentation(), categoryDefinition.getSubcategories().get(0).getName());
 475                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR.getPresentation(), resource.getVendorName());
 476                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR_RELEASE.getPresentation(),resource.getVendorRelease());
 477                 toscaMetadata.put(JsonPresentationFields.RESOURCE_VENDOR_MODEL_NUMBER.getPresentation(),resource.getResourceVendorModelNumber());
 478                 break;
 479             case SERVICE:
 480                 Service service = (Service) component;
 481                 toscaMetadata.put(JsonPresentationFields.TYPE.getPresentation(),component.getComponentType().getValue());
 482                 toscaMetadata.put(JsonPresentationFields.SERVICE_TYPE.getPresentation(),service.getServiceType());
 483                 toscaMetadata.put(JsonPresentationFields.SERVICE_ROLE.getPresentation(),service.getServiceRole());
 484                 toscaMetadata.put(JsonPresentationFields.SERVICE_FUNCTION.getPresentation(),service.getServiceFunction());
 485                 toscaMetadata.put(JsonPresentationFields.ENVIRONMENT_CONTEXT.getPresentation(),service.getEnvironmentContext());
 486                 toscaMetadata.put(JsonPresentationFields.INSTANTIATION_TYPE.getPresentation(),service.getEnvironmentContext() == null ? StringUtils.EMPTY : service.getInstantiationType());
 487                 if (!isInstance) {
 488                     // DE268546
 489                     toscaMetadata.put(JsonPresentationFields.ECOMP_GENERATED_NAMING.getPresentation(),service.isEcompGeneratedNaming().toString());
 490                     toscaMetadata.put(JsonPresentationFields.ECOMP_GENERATED_NAMING.getPresentation(),service.isEcompGeneratedNaming().toString());
 491                     toscaMetadata.put(JsonPresentationFields.NAMING_POLICY.getPresentation(),service.getNamingPolicy());
 492                 }
 493                 break;
 494             default:
 495                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 496         }
 497
 498         for (final String key: component.getCategorySpecificMetadata().keySet()) {
 499             toscaMetadata.put(key, component.getCategorySpecificMetadata().get(key));
 500         }
 501         return toscaMetadata;
 502     }
 503
 504     private void resolveInstantiationTypeAndSetItToToscaMetaData(ToscaMetadata toscaMetadata, Service service) {
 505         if (service.getInstantiationType() != null) {
 506             toscaMetadata.setInstantiationType(service.getInstantiationType());
 507         } else {
 508             toscaMetadata.setInstantiationType(StringUtils.EMPTY);
 509         }
 510     }
 511
 512     private Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports(Component component,
 513                                                                                                  ToscaTemplate toscaTemplate) {
 514
 515         final List<Map<String, Map<String, String>>> defaultToscaImportConfig = getDefaultToscaImportConfig();
 516         if (CollectionUtils.isEmpty(defaultToscaImportConfig)) {
 517             log.debug(FAILED_TO_GET_DEFAULT_IMPORTS_CONFIGURATION);
 518             return Either.right(ToscaError.GENERAL_ERROR);
 519         }
 520         Map<String, Component> componentCache = new HashMap<>();
 521
 522         if (!ModelConverter.isAtomicComponent(component)) {
 523             final List<Map<String, Map<String, String>>> additionalImports =
 524                 toscaTemplate.getImports() == null ? new ArrayList<>(defaultToscaImportConfig)
 525                     : new ArrayList<>(toscaTemplate.getImports());
 526
 527             List<Triple<String, String, Component>> dependecies = new ArrayList<>();
 528
 529             Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
 530             if (isNotEmpty(toscaArtifacts)) {
 531                 ArtifactDefinition artifactDefinition = toscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
 532                 if (artifactDefinition != null) {
 533                     Map<String, Map<String, String>> importsListMember = new HashMap<>();
 534                     Map<String, String> interfaceFiles = new HashMap<>();
 535                     interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactDefinition.getArtifactName()));
 536                     StringBuilder keyNameBuilder = new StringBuilder();
 537                     keyNameBuilder.append(component.getComponentType().toString().toLowerCase()).append("-")
 538                         .append(component.getName()).append("-interface");
 539                     importsListMember.put(keyNameBuilder.toString(), interfaceFiles);
 540                     additionalImports.add(importsListMember);
 541                 }
 542             }
 543             List<ComponentInstance> componentInstances = component.getComponentInstances();
 544             if (componentInstances != null && !componentInstances.isEmpty()) {
 545                 componentInstances.forEach(ci -> createDependency(componentCache, additionalImports, dependecies, ci));
 546             }
 547             toscaTemplate.setDependencies(dependecies);
 548             toscaTemplate.setImports(additionalImports);
 549         } else {
 550             log.debug("currently imports supported for VF and service only");
 551         }
 552         return Either.left(new ImmutablePair<>(toscaTemplate, componentCache));
 553     }
 554
 555     private List<Map<String, Map<String, String>>> getDefaultToscaImportConfig() {
 556         return ConfigurationManager.getConfigurationManager().getConfiguration().getDefaultImports();
 557     }
 558
 559     private void createDependency(final Map<String, Component> componentCache,
 560                                   final List<Map<String, Map<String, String>>> imports,
 561                                   final List<Triple<String, String, Component>> dependencies,
 562                                   final ComponentInstance componentInstance) {
 563         log.debug("createDependency componentCache {}", componentCache);
 564         final Component componentRI = componentCache.get(componentInstance.getComponentUid());
 565         if (componentRI == null || componentInstance.getOriginType() == OriginTypeEnum.ServiceSubstitution) {
 566             // all resource must be only once!
 567             final Either<Component, StorageOperationStatus> resource = toscaOperationFacade
 568                 .getToscaFullElement(componentInstance.getComponentUid());
 569             if ((resource.isRight()) && (log.isDebugEnabled())) {
 570                 log.debug("Failed to fetch resource with id {} for instance {}", componentInstance.getComponentUid(),
 571                     componentInstance.getUniqueId());
 572                 return;
 573             }
 574             final Component fetchedComponent = resource.left().value();
 575             setComponentCache(componentCache, componentInstance, fetchedComponent);
 576             addDependencies(imports, dependencies, fetchedComponent);
 577         }
 578     }
 579
 580     /**
 581      * Sets a componentCache from the given component/resource.
 582      */
 583     private void setComponentCache(final Map<String, Component> componentCache,
 584                                    final ComponentInstance componentInstance,
 585                                    final Component fetchedComponent) {
 586         componentCache.put(fetchedComponent.getUniqueId(), fetchedComponent);
 587         if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy
 588             || componentInstance.getOriginType() == OriginTypeEnum.ServiceSubstitution) {
 589             final Either<Component, StorageOperationStatus> sourceService = toscaOperationFacade
 590                 .getToscaFullElement(componentInstance.getSourceModelUid());
 591             if (sourceService.isRight() && (log.isDebugEnabled())) {
 592                 log.debug("Failed to fetch source service with id {} for proxy {}",
 593                     componentInstance.getSourceModelUid(), componentInstance.getUniqueId());
 594             }
 595             final Component fetchedSource = sourceService.left().value();
 596             componentCache.put(fetchedSource.getUniqueId(), fetchedSource);
 597         }
 598     }
 599
 600     /**
 601      * Retrieves all derived_from nodes and stores it in a predictable order.
 602      */
 603     private void addDependencies(final List<Map<String, Map<String, String>>> imports,
 604                                  final List<Triple<String, String, Component>> dependencies,
 605                                  final Component fetchedComponent) {
 606         final Set<Component> componentsList = new LinkedHashSet<>();
 607         if (fetchedComponent instanceof Resource) {
 608             log.debug("fetchedComponent is a resource {}", fetchedComponent);
 609
 610             final Optional<Map<String, String>> derivedFromMapOfIdToName = getDerivedFromMapOfIdToName(fetchedComponent,
 611                 componentsList);
 612             if (derivedFromMapOfIdToName.isPresent()) {
 613                 derivedFromMapOfIdToName.get().entrySet().forEach(entry -> {
 614                     log.debug("Started entry.getValue() : {}", entry.getValue());
 615                     if (!NATIVE_ROOT.equals(entry.getValue())) {
 616                         Either<Resource, StorageOperationStatus> resourcefetched = toscaOperationFacade
 617                             .getToscaElement(entry.getKey());
 618                         if (resourcefetched != null && resourcefetched.isLeft()) {
 619                             componentsList.add(resourcefetched.left().value());
 620                         }
 621                     }
 622                 });
 623             }
 624             setImports(imports, dependencies, componentsList);
 625         }
 626     }
 627
 628     /**
 629      * Returns all derived_from nodes found.
 630      */
 631     private Optional<Map<String, String>> getDerivedFromMapOfIdToName(final Component fetchedComponent,
 632                                                                       final Set<Component> componentsList) {
 633         final Resource parentResource = (Resource) fetchedComponent;
 634         Map<String, String> derivedFromMapOfIdToName = new HashMap<>();
 635         if (CollectionUtils.isNotEmpty(parentResource.getComponentInstances())) {
 636             componentsList.add(fetchedComponent);
 637             for (final ComponentInstance componentInstance : parentResource.getComponentInstances()) {
 638                 final Either<Resource, StorageOperationStatus> resourcefetched = toscaOperationFacade
 639                     .getToscaElement(componentInstance.getComponentUid());
 640                 if (resourcefetched != null && resourcefetched.isLeft()) {
 641                     final Map<String, String> derivedWithId = resourcefetched.left().value()
 642                         .getDerivedFromMapOfIdToName();
 643                     if (MapUtils.isNotEmpty(derivedWithId)) {
 644                         derivedFromMapOfIdToName.putAll(derivedWithId);
 645                     }
 646                 }
 647             }
 648         } else {
 649             derivedFromMapOfIdToName = parentResource.getDerivedFromMapOfIdToName();
 650         }
 651         log.debug("Started derivedFromMapOfIdToName: {}", derivedFromMapOfIdToName);
 652         return Optional.ofNullable(derivedFromMapOfIdToName);
 653     }
 654
 655     /**
 656      * Creates a resource map and adds it to the import list.
 657      */
 658     private void setImports(final List<Map<String, Map<String, String>>> imports,
 659                             final List<Triple<String, String, Component>> dependencies,
 660                             final Set<Component> componentsList) {
 661         componentsList.forEach(component -> {
 662             final Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
 663             final ArtifactDefinition artifactDefinition = toscaArtifacts.get(ASSET_TOSCA_TEMPLATE);
 664             if (artifactDefinition != null) {
 665                 final Map<String, String> files = new HashMap<>();
 666                 final String artifactName = artifactDefinition.getArtifactName();
 667                 files.put(IMPORTS_FILE_KEY, artifactName);
 668                 final StringBuilder keyNameBuilder = new StringBuilder();
 669                 keyNameBuilder.append(component.getComponentType().toString().toLowerCase());
 670                 keyNameBuilder.append("-");
 671                 keyNameBuilder.append(component.getName());
 672                 addImports(imports, keyNameBuilder, files);
 673                 dependencies
 674                     .add(new ImmutableTriple<String, String, Component>(artifactName, artifactDefinition.getEsId(),
 675                         component));
 676
 677                 if (!ModelConverter.isAtomicComponent(component)) {
 678                     final Map<String, String> interfaceFiles = new HashMap<>();
 679                     interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactName));
 680                     keyNameBuilder.append("-interface");
 681                     addImports(imports, keyNameBuilder, interfaceFiles);
 682                 }
 683             }
 684         });
 685     }
 686
 687     /**
 688      * Adds the found resource to the import definition list.
 689      */
 690     private void addImports(final List<Map<String, Map<String, String>>> imports,
 691                             final StringBuilder keyNameBuilder,
 692                             final Map<String, String> files) {
 693         final String mapKey = keyNameBuilder.toString();
 694         if (imports.stream().allMatch(stringMapMap -> stringMapMap.get(mapKey) == null)) {
 695             final Map<String, Map<String, String>> importsListMember = new HashMap<>();
 696             importsListMember.put(keyNameBuilder.toString(), files);
 697             imports.add(importsListMember);
 698         }
 699     }
 700
 701     public static String getInterfaceFilename(String artifactName) {
 702         return artifactName.substring(0, artifactName.lastIndexOf('.')) + ToscaExportHandler.TOSCA_INTERFACE_NAME;
 703     }
 704
 705     private Either<ToscaTemplate, ToscaError> convertNodeType(Map<String, Component> componentsCache,
 706                                                               Component component, ToscaTemplate toscaNode,
 707                                                               Map<String, ToscaNodeType> nodeTypes) {
 708         return convertInterfaceNodeType(componentsCache, component, toscaNode, nodeTypes, false);
 709     }
 710
 711     public Either<ToscaTemplate, ToscaError> convertInterfaceNodeType(Map<String, Component> componentsCache,
 712                                                                       Component component, ToscaTemplate toscaNode,
 713                                                                       Map<String, ToscaNodeType> nodeTypes,
 714                                                                       boolean isAssociatedComponent) {
 715         log.debug("start convert node type for {}", component.getUniqueId());
 716         ToscaNodeType toscaNodeType = createNodeType(component);
 717
 718         Either<Map<String, InterfaceDefinition>, StorageOperationStatus> lifecycleTypeEither =
 719             interfaceLifecycleOperation.getAllInterfaceLifecycleTypes();
 720         if (lifecycleTypeEither.isRight()) {
 721             log.debug("Failed to fetch all interface types :", lifecycleTypeEither.right().value());
 722             return Either.right(ToscaError.GENERAL_ERROR);
 723         }
 724         List<String> allGlobalInterfaceTypes = lifecycleTypeEither.left().value()
 725             .values()
 726             .stream()
 727             .map(InterfaceDataDefinition::getType)
 728             .collect(Collectors.toList());
 729         toscaNode.setInterface_types(addInterfaceTypeElement(component, allGlobalInterfaceTypes));
 730
 731         Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
 732         if (dataTypesEither.isRight()) {
 733             log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 734             return Either.right(ToscaError.GENERAL_ERROR);
 735         }
 736
 737         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 738
 739         List<InputDefinition> inputDef = component.getInputs();
 740         Map<String, ToscaProperty> mergedProperties = new HashMap<>();
 741         interfacesOperationsConverter
 742             .addInterfaceDefinitionElement(component, toscaNodeType, dataTypes, isAssociatedComponent);
 743         addInputsToProperties(dataTypes, inputDef, mergedProperties);
 744
 745         if (CollectionUtils.isNotEmpty(component.getProperties())) {
 746             List<PropertyDefinition> properties = component.getProperties();
 747             Map<String, ToscaProperty> convertedProperties = properties.stream()
 748                 .map(propertyDefinition -> resolvePropertyValueFromInput(propertyDefinition, component.getInputs()))
 749                 .collect(Collectors.toMap(PropertyDataDefinition::getName,
 750                     property -> propertyConvertor.convertProperty(dataTypes, property,
 751                         PropertyConvertor.PropertyType.PROPERTY)));
 752             // merge component properties and inputs properties
 753             mergedProperties.putAll(convertedProperties);
 754         }
 755         if (MapUtils.isNotEmpty(mergedProperties)) {
 756             toscaNodeType.setProperties(mergedProperties);
 757         }
 758
 759         /* convert private data_types */
 760         List<DataTypeDefinition> privateDataTypes = component.getDataTypes();
 761         if (CollectionUtils.isNotEmpty(privateDataTypes)) {
 762             Map<String, ToscaDataType> toscaDataTypeMap = new HashMap<>();
 763             for (DataTypeDefinition dataType : privateDataTypes) {
 764                 log.debug("Emitting private data type: component.name={} dataType.name={}",
 765                     component.getNormalizedName(), dataType.getName());
 766                 ToscaDataType toscaDataType = new ToscaDataType();
 767                 toscaDataType.setDerived_from(dataType.getDerivedFromName());
 768                 toscaDataType.setDescription(dataType.getDescription());
 769                 toscaDataType.setVersion(dataType.getVersion());
 770                 if (CollectionUtils.isNotEmpty(dataType.getProperties())) {
 771                     toscaDataType.setProperties(dataType.getProperties().stream()
 772                         .collect(Collectors.toMap(
 773                             s -> s.getName(),
 774                             s -> propertyConvertor
 775                                 .convertProperty(dataTypes, s, PropertyConvertor.PropertyType.PROPERTY)
 776                         )));
 777                 }
 778                 toscaDataTypeMap.put(dataType.getName(), toscaDataType);
 779             }
 780             toscaNode.setData_types(toscaDataTypeMap);
 781         }
 782
 783         // Extracted to method for code reuse
 784         return convertReqCapAndTypeName(componentsCache, component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 785     }
 786
 787     private Either<ToscaTemplate, ToscaError> convertReqCapAndTypeName(Map<String, Component> componentsCache,
 788                                                                        Component component, ToscaTemplate toscaNode,
 789                                                                        Map<String, ToscaNodeType> nodeTypes,
 790                                                                        ToscaNodeType toscaNodeType,
 791                                                                        Map<String, DataTypeDefinition> dataTypes) {
 792         Either<ToscaNodeType, ToscaError> capabilities = convertCapabilities(componentsCache, component, toscaNodeType,
 793             dataTypes);
 794         if (capabilities.isRight()) {
 795             return Either.right(capabilities.right().value());
 796         }
 797         toscaNodeType = capabilities.left().value();
 798         log.debug("Capabilities converted for {}", component.getUniqueId());
 799
 800         Either<ToscaNodeType, ToscaError> requirements = capabilityRequirementConverter
 801             .convertRequirements(componentsCache, component,
 802                 toscaNodeType);
 803         if (requirements.isRight()) {
 804             return Either.right(requirements.right().value());
 805         }
 806         toscaNodeType = requirements.left().value();
 807         log.debug("Requirements converted for {}", component.getUniqueId());
 808
 809         String toscaResourceName;
 810         switch (component.getComponentType()) {
 811             case RESOURCE:
 812                 toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 813                     .getMetadataDataDefinition()).getToscaResourceName();
 814                 break;
 815             case SERVICE:
 816                 toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 817                     + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 818                 break;
 819             default:
 820                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 821                 return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 822         }
 823
 824         nodeTypes.put(toscaResourceName, toscaNodeType);
 825         toscaNode.setNode_types(nodeTypes);
 826         log.debug("finish convert node type for {}", component.getUniqueId());
 827         return Either.left(toscaNode);
 828     }
 829
 830     protected Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplates(
 831         Component component,
 832         List<ComponentInstance> componentInstances,
 833         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 834         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 835         Map<String, Component> componentCache, Map<String, DataTypeDefinition> dataTypes,
 836         ToscaTopolgyTemplate topologyTemplate) {
 837
 838         Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplatesRes = null;
 839         log.debug("start convert topology template for {} for type {}", component.getUniqueId(),
 840             component.getComponentType());
 841         Map<String, ToscaNodeTemplate> nodeTemplates = new HashMap<>();
 842         Map<String, List<ComponentInstanceInput>> componentInstancesInputs = component.getComponentInstancesInputs();
 843
 844         Map<String, ToscaGroupTemplate> groupsMap = null;
 845         for (ComponentInstance componentInstance : componentInstances) {
 846             ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
 847             if (MapUtils.isNotEmpty(componentInstance.getToscaArtifacts())) {
 848                 nodeTemplate.setArtifacts(convertToNodeTemplateArtifacts(componentInstance.getToscaArtifacts()));
 849             }
 850             nodeTemplate.setType(componentInstance.getToscaComponentName());
 851             nodeTemplate.setDirectives(componentInstance.getDirectives());
 852             nodeTemplate.setNode_filter(convertToNodeTemplateNodeFilterComponent(componentInstance.getNodeFilter()));
 853
 854             Either<Component, Boolean> originComponentRes = capabilityRequirementConverter
 855                 .getOriginComponent(componentCache, componentInstance);
 856             if (originComponentRes.isRight()) {
 857                 convertNodeTemplatesRes = Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
 858                 break;
 859             }
 860             Either<ToscaNodeTemplate, ToscaError> requirements = convertComponentInstanceRequirements(component,
 861                 componentInstance, component.getComponentInstancesRelations(), nodeTemplate,
 862                 originComponentRes.left().value(), componentCache);
 863             if (requirements.isRight()) {
 864                 convertNodeTemplatesRes = Either.right(requirements.right().value());
 865                 break;
 866             }
 867             String instanceUniqueId = componentInstance.getUniqueId();
 868             log.debug("Component instance Requirements converted for instance {}", instanceUniqueId);
 869
 870             nodeTemplate = requirements.left().value();
 871
 872             Component originalComponent = componentCache.get(componentInstance.getActualComponentUid());
 873
 874             if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
 875                 Component componentOfProxy = componentCache.get(componentInstance.getComponentUid());
 876                 nodeTemplate.setMetadata(convertMetadata(componentOfProxy, true, componentInstance));
 877             } else {
 878                 nodeTemplate.setMetadata(convertMetadata(originalComponent, true, componentInstance));
 879             }
 880
 881             Either<ToscaNodeTemplate, ToscaError> capabilities = capabilityRequirementConverter
 882                 .convertComponentInstanceCapabilities(componentInstance, dataTypes, nodeTemplate);
 883             if (capabilities.isRight()) {
 884                 convertNodeTemplatesRes = Either.right(capabilities.right().value());
 885                 break;
 886             }
 887             log.debug("Component instance Capabilities converted for instance {}", instanceUniqueId);
 888
 889             nodeTemplate = capabilities.left().value();
 890             Map<String, Object> props = new HashMap<>();
 891
 892             if (originalComponent.getComponentType() == ComponentTypeEnum.RESOURCE) {
 893                 // Adds the properties of parent component to map
 894                 addPropertiesOfParentComponent(dataTypes, originalComponent, props);
 895             }
 896
 897             if (null != componentInstancesProperties && componentInstancesProperties.containsKey(instanceUniqueId)) {
 898                 addPropertiesOfComponentInstance(componentInstancesProperties, dataTypes, instanceUniqueId,
 899                     props);
 900             }
 901
 902             if (componentInstancesInputs != null && componentInstancesInputs.containsKey(instanceUniqueId)
 903                 && !isComponentOfTypeServiceProxy(componentInstance)) {
 904                 //For service proxy the inputs are already handled under instance properties above
 905                 addComponentInstanceInputs(dataTypes, componentInstancesInputs, instanceUniqueId,
 906                     props);
 907             }
 908
 909             //M3[00001] - NODE TEMPLATE INTERFACES  - START
 910             handleInstanceInterfaces(componentInstanceInterfaces, componentInstance, dataTypes, nodeTemplate,
 911                 instanceUniqueId, component);
 912             //M3[00001] - NODE TEMPLATE INTERFACES  - END
 913             if (props != null && !props.isEmpty()) {
 914                 nodeTemplate.setProperties(props);
 915             }
 916
 917             List<GroupInstance> groupInstances = componentInstance.getGroupInstances();
 918             if (groupInstances != null) {
 919                 if (groupsMap == null) {
 920                     groupsMap = new HashMap<>();
 921                 }
 922                 for (GroupInstance groupInst : groupInstances) {
 923                     boolean addToTosca = true;
 924
 925                     List<String> artifacts = groupInst.getArtifacts();
 926                     if (artifacts == null || artifacts.isEmpty()) {
 927                         addToTosca = false;
 928                     }
 929
 930                     if (addToTosca) {
 931                         ToscaGroupTemplate toscaGroup = groupExportParser
 932                             .getToscaGroupTemplate(groupInst, componentInstance.getInvariantName());
 933                         groupsMap.put(groupInst.getName(), toscaGroup);
 934                     }
 935                 }
 936             }
 937
 938             nodeTemplates.put(componentInstance.getName(), nodeTemplate);
 939         }
 940         if (groupsMap != null) {
 941             log.debug("instance groups added");
 942             topologyTemplate.addGroups(groupsMap);
 943         }
 944         if (component.getComponentType() == ComponentTypeEnum.SERVICE && isNotEmpty(
 945             ((Service) component).getForwardingPaths())) {
 946             log.debug("Starting converting paths for component {}, name {}", component.getUniqueId(),
 947                 component.getName());
 948             ForwardingPathToscaUtil
 949                 .addForwardingPaths((Service) component, nodeTemplates, capabilityRequirementConverter, componentCache,
 950                     toscaOperationFacade);
 951             log.debug("Finished converting paths for component {}, name {}", component.getUniqueId(),
 952                 component.getName());
 953         }
 954         if (convertNodeTemplatesRes == null) {
 955             convertNodeTemplatesRes = Either.left(nodeTemplates);
 956         }
 957         log.debug("finish convert topology template for {} for type {}", component.getUniqueId(),
 958             component.getComponentType());
 959         return convertNodeTemplatesRes;
 960     }
 961
 962     private void handleInstanceInterfaces(
 963         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 964         ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, ToscaNodeTemplate nodeTemplate,
 965         String instanceUniqueId,
 966         Component parentComponent) {
 967
 968         if (MapUtils.isEmpty(componentInstanceInterfaces)
 969             || !componentInstanceInterfaces.containsKey(instanceUniqueId)) {
 970             nodeTemplate.setInterfaces(null);
 971             return;
 972         }
 973
 974         final List<ComponentInstanceInterface> currServiceInterfaces =
 975             componentInstanceInterfaces.get(instanceUniqueId);
 976
 977         final Map<String, InterfaceDefinition> tmpInterfaces = new HashMap<>();
 978         currServiceInterfaces.forEach(instInterface -> tmpInterfaces.put(instInterface
 979             .getUniqueId(), instInterface));
 980
 981         final Map<String, Object> interfaceMap = interfacesOperationsConverter
 982             .getInterfacesMap(parentComponent, componentInstance, tmpInterfaces, dataTypes, isComponentOfTypeServiceProxy(componentInstance), isComponentOfTypeServiceProxy(componentInstance));
 983
 984         interfacesOperationsConverter.removeInterfacesWithoutOperations(interfaceMap);
 985         nodeTemplate.setInterfaces(MapUtils.isEmpty(interfaceMap) ? null : interfaceMap);
 986     }
 987
 988     private boolean isComponentOfTypeServiceProxy(ComponentInstance componentInstance) {
 989         return Objects.nonNull(componentInstance.getOriginType())
 990             && componentInstance.getOriginType().getValue().equals("Service Proxy");
 991     }
 992
 993     //M3[00001] - NODE TEMPLATE INTERFACES  - START
 994     private Map<String, Object> getComponentInstanceInterfaceInstances(
 995         Map<String, List<ComponentInstanceInterface>> componentInstancesInterfaces,
 996         ComponentInstance componentInstance,
 997         String instanceUniqueId) {
 998         if (MapUtils.isEmpty(componentInstancesInterfaces)) {
 999             return null;
1000         }
1001
1002         List<ComponentInstanceInterface> componentInstanceInterfaces =
1003             componentInstancesInterfaces.get(instanceUniqueId);
1004
1005         if (CollectionUtils.isEmpty(componentInstanceInterfaces)) {
1006             return null;
1007         }
1008
1009         Map<String, Object> interfaces = new HashMap<>();
1010         for (ComponentInstanceInterface componentInstanceInterface : componentInstanceInterfaces) {
1011             interfaces.put(componentInstanceInterface.getInterfaceId(),
1012                 removeOperationsKeyFromInterface(componentInstanceInterface.getInterfaceInstanceDataDefinition()));
1013         }
1014
1015         componentInstance.setInterfaces(interfaces);
1016
1017         return interfaces;
1018     }
1019
1020     private void addComponentInstanceInputs(Map<String, DataTypeDefinition> dataTypes,
1021                                             Map<String, List<ComponentInstanceInput>> componentInstancesInputs,
1022                                             String instanceUniqueId, Map<String, Object> props) {
1023
1024         List<ComponentInstanceInput> instanceInputsList = componentInstancesInputs.get(instanceUniqueId);
1025         if (instanceInputsList != null) {
1026             instanceInputsList.forEach(input -> {
1027
1028                 Supplier<String> supplier = () -> input.getValue() != null && !Objects.isNull(input.getValue())
1029                     ? input.getValue() : input.getDefaultValue();
1030                 propertyConvertor.convertAndAddValue(dataTypes, props, input, supplier);
1031             });
1032         }
1033     }
1034
1035     private void addPropertiesOfComponentInstance(
1036         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
1037         Map<String, DataTypeDefinition> dataTypes, String instanceUniqueId,
1038         Map<String, Object> props) {
1039
1040         if (isNotEmpty(componentInstancesProperties)) {
1041             componentInstancesProperties.get(instanceUniqueId)
1042                 // Converts and adds each value to property map
1043                 .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
1044                     prop::getValue));
1045         }
1046     }
1047
1048     private void addPropertiesOfParentComponent(Map<String, DataTypeDefinition> dataTypes,
1049                                                 Component componentOfInstance, Map<String, Object> props) {
1050
1051         List<PropertyDefinition> componentProperties = componentOfInstance.getProperties();
1052         if (isNotEmpty(componentProperties)) {
1053             componentProperties.stream()
1054                 // Filters out properties with empty default values
1055                 .filter(prop -> StringUtils.isNotEmpty(prop.getDefaultValue()))
1056                 // Converts and adds each value to property map
1057                 .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
1058                     prop::getDefaultValue));
1059         }
1060     }
1061
1062     private ToscaNodeType createNodeType(Component component) {
1063         ToscaNodeType toscaNodeType = new ToscaNodeType();
1064         if (ModelConverter.isAtomicComponent(component)) {
1065             if (((Resource) component).getDerivedFrom() != null) {
1066                 toscaNodeType.setDerived_from(((Resource) component).getDerivedFrom().get(0));
1067             }
1068             toscaNodeType.setDescription(component.getDescription());
1069         } else {
1070             String derivedFrom = null != component.getDerivedFromGenericType() ? component.getDerivedFromGenericType()
1071                 : NATIVE_ROOT;
1072             toscaNodeType.setDerived_from(derivedFrom);
1073         }
1074         if (component instanceof Resource) {
1075             final List<AttributeDefinition> attributes = ((Resource) component).getAttributes();
1076             if (CollectionUtils.isNotEmpty(attributes)) {
1077                 final Map<String, Object> attributeDataDefinitionMap = new HashMap<>();
1078                 attributes.forEach(attributeDataDefinition ->
1079                     buildAttributeData(attributeDataDefinition, attributeDataDefinitionMap));
1080
1081                 toscaNodeType.setAttributes(attributeDataDefinitionMap);
1082             }
1083         }
1084         return toscaNodeType;
1085     }
1086
1087     private void buildAttributeData(final AttributeDefinition originalAttributeDefinition,
1088                                     final Map<String, Object> attributeDataDefinitionMap) {
1089
1090         attributeDataDefinitionMap.put(originalAttributeDefinition.getName(),
1091             new ObjectMapper().convertValue(new org.onap.sdc.tosca.datatypes.model.AttributeDefinition(
1092                 originalAttributeDefinition.getType(),
1093                 originalAttributeDefinition.getDescription(),
1094                 originalAttributeDefinition.get_default(),
1095                 originalAttributeDefinition.getStatus(),
1096                 originalAttributeDefinition.getEntry_schema()), Object.class));
1097     }
1098
1099     private Either<Map<String, Object>, ToscaError> createProxyInterfaceTypes(Component container) {
1100
1101         Map<String, Object> proxyInterfaceTypes = new HashMap<>();
1102         Either<Map<String, Object>, ToscaError> res = Either.left(proxyInterfaceTypes);
1103         List<ComponentInstance> componentInstances = container.getComponentInstances();
1104         if (CollectionUtils.isEmpty(componentInstances)) {
1105             return res;
1106         }
1107         Map<String, ComponentInstance> serviceProxyInstanceList = new HashMap<>();
1108         componentInstances.stream()
1109             .filter(this::isComponentOfTypeServiceProxy)
1110             .forEach(inst -> serviceProxyInstanceList.put(inst.getToscaComponentName(), inst));
1111         if (MapUtils.isEmpty(serviceProxyInstanceList)) {
1112             return res;
1113         }
1114         for (Entry<String, ComponentInstance> entryProxy : serviceProxyInstanceList.entrySet()) {
1115             Component serviceComponent;
1116             ComponentParametersView componentParametersView = new ComponentParametersView();
1117             componentParametersView.disableAll();
1118             componentParametersView.setIgnoreInterfaces(false);
1119             Either<Component, StorageOperationStatus> service = toscaOperationFacade
1120                 .getToscaElement(entryProxy.getValue().getSourceModelUid(), componentParametersView);
1121             if (service.isRight()) {
1122                 log.debug("Failed to fetch original service component with id {} for instance {}",
1123                     entryProxy.getValue().getSourceModelUid(), entryProxy.getValue().getName());
1124                 return Either.right(ToscaError.GENERAL_ERROR);
1125             } else {
1126                 serviceComponent = service.left().value();
1127             }
1128
1129             Either<Map<String, InterfaceDefinition>, StorageOperationStatus> lifecycleTypeEither =
1130                 interfaceLifecycleOperation.getAllInterfaceLifecycleTypes();
1131             if (lifecycleTypeEither.isRight()) {
1132                 log.debug("Failed to retrieve global interface types :", lifecycleTypeEither.right().value());
1133                 return Either.right(ToscaError.GENERAL_ERROR);
1134             }
1135
1136             List<String> allGlobalInterfaceTypes = lifecycleTypeEither.left().value().values().stream()
1137                 .map(InterfaceDataDefinition::getType)
1138                 .collect(Collectors.toList());
1139             //Add interface types for local interfaces in the original service component for proxy
1140             Map<String, Object> localInterfaceTypes = addInterfaceTypeElement(serviceComponent,
1141                 allGlobalInterfaceTypes);
1142             if (MapUtils.isNotEmpty(localInterfaceTypes)) {
1143                 proxyInterfaceTypes.putAll(localInterfaceTypes);
1144             }
1145
1146         }
1147         return Either.left(proxyInterfaceTypes);
1148     }
1149
1150     private Either<Map<String, ToscaNodeType>, ToscaError> createProxyNodeTypes(Map<String, Component> componentCache,
1151                                                                                 Component container) {
1152
1153         Map<String, ToscaNodeType> nodeTypesMap = new HashMap<>();
1154         Either<Map<String, ToscaNodeType>, ToscaError> res = Either.left(nodeTypesMap);
1155
1156         List<ComponentInstance> componentInstances = container.getComponentInstances();
1157
1158         if (componentInstances == null || componentInstances.isEmpty()) {
1159             return res;
1160         }
1161         Map<String, ComponentInstance> serviceProxyInstanceList = new HashMap<>();
1162         List<ComponentInstance> proxyInst = componentInstances.stream()
1163             .filter(p -> p.getOriginType().name().equals(OriginTypeEnum.ServiceProxy.name()))
1164             .collect(Collectors.toList());
1165         if (proxyInst != null && !proxyInst.isEmpty()) {
1166             for (ComponentInstance inst : proxyInst) {
1167                 serviceProxyInstanceList.put(inst.getToscaComponentName(), inst);
1168             }
1169         }
1170
1171         if (serviceProxyInstanceList.isEmpty()) {
1172             return res;
1173         }
1174         Either<Resource, StorageOperationStatus> serviceProxyOrigin = toscaOperationFacade
1175             .getLatestByName("serviceProxy");
1176         if (serviceProxyOrigin.isRight()) {
1177             log.debug("Failed to fetch normative service proxy resource by tosca name, error {}",
1178                 serviceProxyOrigin.right().value());
1179             return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
1180         }
1181         Component origComponent = serviceProxyOrigin.left().value();
1182
1183         for (Entry<String, ComponentInstance> entryProxy : serviceProxyInstanceList.entrySet()) {
1184             Component serviceComponent = null;
1185             ComponentParametersView componentParametersView = new ComponentParametersView();
1186             componentParametersView.disableAll();
1187             componentParametersView.setIgnoreCategories(false);
1188             componentParametersView.setIgnoreProperties(false);
1189             componentParametersView.setIgnoreInputs(false);
1190             componentParametersView.setIgnoreInterfaces(false);
1191             componentParametersView.setIgnoreRequirements(false);
1192             Either<Component, StorageOperationStatus> service = toscaOperationFacade
1193                 .getToscaElement(entryProxy.getValue().getSourceModelUid(), componentParametersView);
1194             if (service.isRight()) {
1195                 log.debug("Failed to fetch resource with id {} for instance {}",
1196                     entryProxy.getValue().getSourceModelUid(), entryProxy.getValue().getName());
1197             } else {
1198                 serviceComponent = service.left().value();
1199             }
1200
1201             ToscaNodeType toscaNodeType = createProxyNodeType(componentCache, origComponent, serviceComponent,
1202                 entryProxy.getValue());
1203             nodeTypesMap.put(entryProxy.getKey(), toscaNodeType);
1204         }
1205
1206         return Either.left(nodeTypesMap);
1207     }
1208
1209     private void createServiceSubstitutionNodeTypes(final Map<String, Component> componentCache,
1210                                                     final Component container, final ToscaTemplate toscaNode) {
1211         final List<ComponentInstance> componentInstances = container.getComponentInstances();
1212
1213         if (CollectionUtils.isEmpty(componentInstances)) {
1214             return;
1215         }
1216         final List<ComponentInstance> serviceSubstitutionInstanceList = componentInstances.stream()
1217             .filter(p -> p.getOriginType().name().equals(OriginTypeEnum.ServiceSubstitution.name()))
1218             .collect(Collectors.toList());
1219         if (CollectionUtils.isNotEmpty(serviceSubstitutionInstanceList)) {
1220             for (ComponentInstance inst : serviceSubstitutionInstanceList) {
1221                 final Map<String, ToscaNodeType> nodeTypes =
1222                     toscaNode.getNode_types() == null ? new HashMap<>() : toscaNode.getNode_types();
1223                 convertInterfaceNodeType(new HashMap<>(), componentCache.get(inst.getSourceModelUid()), toscaNode,
1224                     nodeTypes, true);
1225             }
1226         }
1227     }
1228
1229     private ToscaNodeType createProxyNodeType(Map<String, Component> componentCache, Component origComponent,
1230                                               Component proxyComponent, ComponentInstance componentInstance) {
1231         ToscaNodeType toscaNodeType = new ToscaNodeType();
1232         String derivedFrom = ((Resource) origComponent).getToscaResourceName();
1233
1234         toscaNodeType.setDerived_from(derivedFrom);
1235         Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
1236         if (dataTypesEither.isRight()) {
1237             log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
1238         }
1239         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
1240         Map<String, ToscaCapability> capabilities = this.capabilityRequirementConverter
1241             .convertProxyCapabilities(componentCache, componentInstance, dataTypes);
1242
1243         if (MapUtils.isNotEmpty(capabilities)) {
1244             toscaNodeType.setCapabilities(capabilities);
1245         }
1246         List<Map<String, ToscaRequirement>> proxyNodeTypeRequirements = this.capabilityRequirementConverter
1247             .convertProxyRequirements(componentCache, componentInstance);
1248         if (CollectionUtils.isNotEmpty(proxyNodeTypeRequirements)) {
1249             toscaNodeType.setRequirements(proxyNodeTypeRequirements);
1250         }
1251         Optional<Map<String, ToscaProperty>> proxyProperties = getProxyNodeTypeProperties(proxyComponent, dataTypes);
1252         proxyProperties.ifPresent(toscaNodeType::setProperties);
1253
1254         Map<String, Object> interfaceMap = new HashMap<>();
1255         if (MapUtils.isEmpty(componentInstance.getInterfaces())) {
1256             final Optional<Map<String, Object>> proxyInterfaces = getProxyNodeTypeInterfaces(proxyComponent, dataTypes);
1257             if (proxyInterfaces.isPresent()) {
1258                 interfaceMap = proxyInterfaces.get();
1259             }
1260         } else {
1261             interfaceMap = interfacesOperationsConverter
1262                 .getInterfacesMapFromComponentInstance(proxyComponent, componentInstance, dataTypes, false, false);
1263
1264         }
1265         interfacesOperationsConverter.removeInterfacesWithoutOperations(interfaceMap);
1266         toscaNodeType.setInterfaces(MapUtils.isEmpty(interfaceMap) ? null : interfaceMap);
1267
1268         return toscaNodeType;
1269     }
1270
1271     private Either<ToscaNodeTemplate, ToscaError> convertComponentInstanceRequirements(Component component,
1272                                                                                        ComponentInstance componentInstance,
1273                                                                                        List<RequirementCapabilityRelDef> relations,
1274                                                                                        ToscaNodeTemplate nodeTypeTemplate,
1275                                                                                        Component originComponent,
1276                                                                                        Map<String, Component> componentCache) {
1277
1278         final List<Map<String, ToscaTemplateRequirement>> toscaRequirements;
1279         final List<RequirementCapabilityRelDef> requirementDefinitionList = filterRequirements(componentInstance,
1280             relations);
1281         if (isNotEmpty(requirementDefinitionList)) {
1282             try {
1283                 toscaRequirements = buildRequirements(component, componentInstance,
1284                     requirementDefinitionList, originComponent, componentCache);
1285                 if (!toscaRequirements.isEmpty()) {
1286                     nodeTypeTemplate.setRequirements(toscaRequirements);
1287                 }
1288             } catch (final Exception e) {
1289                 log.debug("Failed to convert component instance requirements for the component instance {}. ",
1290                     componentInstance.getName(), e);
1291                 return Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
1292             }
1293         }
1294         log.debug("Finished to convert requirements for the node type {} ", componentInstance.getName());
1295         return Either.left(nodeTypeTemplate);
1296     }
1297
1298     private List<Map<String, ToscaTemplateRequirement>> buildRequirements(final Component component,
1299                                                                           final ComponentInstance componentInstance,
1300                                                                           final List<RequirementCapabilityRelDef> filteredRelations,
1301                                                                           final Component originComponent,
1302                                                                           final Map<String, Component> componentCache)
1303         throws ToscaExportException {
1304
1305         final List<Map<String, ToscaTemplateRequirement>> toscaRequirements = new ArrayList<>();
1306         for (RequirementCapabilityRelDef relationshipDefinition : filteredRelations) {
1307             final Map<String, ToscaTemplateRequirement> toscaTemplateRequirementMap =
1308                 buildRequirement(componentInstance, originComponent, component.getComponentInstances(),
1309                     relationshipDefinition, componentCache);
1310             toscaRequirements.add(toscaTemplateRequirementMap);
1311         }
1312
1313         return toscaRequirements;
1314     }
1315
1316     private List<RequirementCapabilityRelDef> filterRequirements(ComponentInstance componentInstance,
1317                                                                  List<RequirementCapabilityRelDef> relations) {
1318         return relations.stream()
1319             .filter(p -> componentInstance.getUniqueId().equals(p.getFromNode())).collect(Collectors.toList());
1320     }
1321
1322     private Map<String, ToscaTemplateRequirement> buildRequirement(final ComponentInstance fromInstance,
1323                                                                    final Component fromOriginComponent,
1324                                                                    final List<ComponentInstance> instancesList,
1325                                                                    final RequirementCapabilityRelDef relationshipDefinition,
1326                                                                    final Map<String, Component> componentCache)
1327         throws ToscaExportException {
1328
1329         final Map<String, List<RequirementDefinition>> reqMap = fromOriginComponent.getRequirements();
1330         final CapabilityRequirementRelationship capabilityRequirementRelationship = relationshipDefinition
1331             .getRelationships().get(0);
1332         final RelationshipInfo relationshipInfo = capabilityRequirementRelationship.getRelation();
1333
1334         final ComponentInstance toInstance = instancesList.stream()
1335             .filter(i -> relationshipDefinition.getToNode().equals(i.getUniqueId()))
1336             .findFirst().orElse(null);
1337         if (toInstance == null) {
1338             final String errorMsg = String
1339                 .format("Failed to find a relation from the node %s to the node %s", fromInstance.getName(),
1340                     relationshipDefinition.getToNode());
1341             log.debug(errorMsg);
1342             throw new ToscaExportException(errorMsg);
1343         }
1344         final Optional<RequirementDefinition> reqOpt =
1345             findRequirement(fromOriginComponent, reqMap, relationshipInfo, fromInstance.getUniqueId());
1346         if (reqOpt.isEmpty()) {
1347             final String errorMsg = String
1348                 .format("Failed to find a requirement with uniqueId %s on a component with uniqueId %s",
1349                     relationshipInfo.getRequirementUid(), fromOriginComponent.getUniqueId());
1350             log.debug(errorMsg);
1351             throw new ToscaExportException(errorMsg);
1352         }
1353         final ComponentParametersView filter = new ComponentParametersView(true);
1354         filter.setIgnoreComponentInstances(false);
1355         filter.setIgnoreCapabilities(false);
1356         filter.setIgnoreGroups(false);
1357         final Either<Component, StorageOperationStatus> getOriginRes =
1358             toscaOperationFacade.getToscaElement(toInstance.getActualComponentUid(), filter);
1359         if (getOriginRes.isRight()) {
1360             final String errorMsg = String.format(
1361                 "Failed to build substituted name for the requirement %s. "
1362                     + "Failed to get an origin component with uniqueId %s",
1363                 reqOpt.get().getName(), toInstance.getActualComponentUid());
1364             log.debug(errorMsg);
1365             throw new ToscaExportException(errorMsg);
1366         }
1367         final Component toOriginComponent = getOriginRes.left().value();
1368         Optional<CapabilityDefinition> capOpt = toOriginComponent.getCapabilities().get(reqOpt.get().getCapability()).stream()
1369             .filter(c -> isCapabilityBelongToRelation(relationshipInfo, c)).findFirst();
1370         if (capOpt.isEmpty()) {
1371             capOpt = findCapability(relationshipInfo, toOriginComponent, fromOriginComponent, reqOpt.get());
1372             if (capOpt.isEmpty()) {
1373                 final String errorMsg = String
1374                     .format("Failed to find a capability with name %s on a component with uniqueId %s",
1375                         relationshipInfo.getCapability(), fromOriginComponent.getUniqueId());
1376                 log.debug(errorMsg);
1377                 throw new ToscaExportException(errorMsg);
1378             }
1379         }
1380         return buildRequirement(fromOriginComponent, toOriginComponent, capOpt.get(), reqOpt.get(),
1381             capabilityRequirementRelationship, toInstance, componentCache);
1382     }
1383
1384     private boolean isCapabilityBelongToRelation(RelationshipInfo reqAndRelationshipPair,
1385                                                  CapabilityDefinition capability) {
1386         return capability.getName().equals(reqAndRelationshipPair.getCapability()) && (capability.getOwnerId() != null
1387             && capability.getOwnerId().equals(reqAndRelationshipPair.getCapabilityOwnerId()));
1388     }
1389
1390     private Optional<CapabilityDefinition> findCapability(RelationshipInfo reqAndRelationshipPair,
1391                                                           Component toOriginComponent, Component fromOriginComponent,
1392                                                           RequirementDefinition requirement) {
1393         Optional<CapabilityDefinition> cap = toOriginComponent.getCapabilities().get(requirement.getCapability())
1394             .stream().filter(c -> c.getType().equals(requirement.getCapability())).findFirst();
1395         if (!cap.isPresent()) {
1396             log.debug("Failed to find a capability with name {} on a component with uniqueId {}",
1397                 reqAndRelationshipPair.getCapability(), fromOriginComponent.getUniqueId());
1398         }
1399         return cap;
1400     }
1401
1402     private Map<String, ToscaTemplateRequirement> buildRequirement(final Component fromOriginComponent,
1403                                                                    final Component toOriginComponent,
1404                                                                    final CapabilityDefinition capability,
1405                                                                    final RequirementDefinition requirement,
1406                                                                    final CapabilityRequirementRelationship capabilityRequirementRelationship,
1407                                                                    final ComponentInstance toInstance,
1408                                                                    final Map<String, Component> componentCache)
1409         throws ToscaExportException {
1410
1411         List<String> reducedPath = capability.getPath();
1412         if (capability.getOwnerId() != null) {
1413             reducedPath = capabilityRequirementConverter
1414                 .getReducedPathByOwner(capability.getPath(), capability.getOwnerId());
1415         }
1416         final RelationshipInfo relationshipInfo = capabilityRequirementRelationship.getRelation();
1417         final Either<String, Boolean> capabilityNameEither = capabilityRequirementConverter.buildSubstitutedName(componentCache,
1418             toOriginComponent, reducedPath, relationshipInfo.getCapability(), capability.getPreviousName());
1419         if (capabilityNameEither.isRight()) {
1420             final String errorMsg = String.format(
1421                 "Failed to build a substituted capability name for the capability with name %s on a component with uniqueId %s",
1422                 capabilityRequirementRelationship.getCapability(), toOriginComponent.getUniqueId());
1423             log.debug(
1424                 errorMsg);
1425             throw new ToscaExportException(errorMsg);
1426         }
1427         final Either<String, Boolean> requirementNameEither = capabilityRequirementConverter
1428             .buildSubstitutedName(componentCache, fromOriginComponent,
1429                 requirement.getPath(), relationshipInfo.getRequirement(), requirement.getPreviousName());
1430         if (requirementNameEither.isRight()) {
1431             final String errorMsg = String.format("Failed to build a substituted requirement name for the requirement "
1432                     + "with name %s on a component with uniqueId %s",
1433                 capabilityRequirementRelationship.getRequirement(), fromOriginComponent.getUniqueId());
1434             log.debug(errorMsg);
1435             throw new ToscaExportException(errorMsg);
1436         }
1437         final ToscaTemplateRequirement toscaRequirement = new ToscaTemplateRequirement();
1438         final Map<String, ToscaTemplateRequirement> toscaReqMap = new HashMap<>();
1439         toscaRequirement.setNode(toInstance.getName());
1440         toscaRequirement.setCapability(capabilityNameEither.left().value());
1441         if (isNotEmpty(capabilityRequirementRelationship.getOperations())) {
1442             toscaRequirement.setRelationship(new ToscaRelationshipBuilder().from(capabilityRequirementRelationship));
1443         }
1444         toscaReqMap.put(requirementNameEither.left().value(), toscaRequirement);
1445         return toscaReqMap;
1446     }
1447
1448     private Optional<RequirementDefinition> findRequirement(Component fromOriginComponent,
1449                                                             Map<String, List<RequirementDefinition>> reqMap,
1450                                                             RelationshipInfo reqAndRelationshipPair,
1451                                                             String fromInstanceId) {
1452         for (List<RequirementDefinition> reqList : reqMap.values()) {
1453             Optional<RequirementDefinition> reqOpt = reqList.stream().filter(
1454                 r -> isRequirementBelongToRelation(fromOriginComponent, reqAndRelationshipPair, r, fromInstanceId))
1455                 .findFirst();
1456             if (reqOpt.isPresent()) {
1457                 return reqOpt;
1458             }
1459         }
1460         return Optional.empty();
1461     }
1462
1463     /**
1464      * Allows detecting the requirement belonging to the received relationship The detection logic is: A requirement
1465      * belongs to a relationship IF 1.The name of the requirement equals to the "requirement" field of the relation; AND
1466      * 2. In case of a non-atomic resource, OwnerId of the requirement equals to requirementOwnerId of the relation OR
1467      * uniqueId of toInstance equals to capabilityOwnerId of the relation
1468      */
1469     private boolean isRequirementBelongToRelation(Component originComponent, RelationshipInfo reqAndRelationshipPair,
1470                                                   RequirementDefinition requirement, String fromInstanceId) {
1471         if (!StringUtils.equals(requirement.getName(), reqAndRelationshipPair.getRequirement())) {
1472             log.debug("Failed to find a requirement with name {} and  reqAndRelationshipPair {}",
1473                 requirement.getName(), reqAndRelationshipPair.getRequirement());
1474             return false;
1475         }
1476         return ModelConverter.isAtomicComponent(originComponent) ||
1477             isRequirementBelongToOwner(reqAndRelationshipPair, requirement, fromInstanceId, originComponent);
1478     }
1479
1480     private boolean isRequirementBelongToOwner(RelationshipInfo reqAndRelationshipPair,
1481                                                RequirementDefinition requirement, String fromInstanceId,
1482                                                Component originComponent) {
1483         return StringUtils.equals(requirement.getOwnerId(), reqAndRelationshipPair.getRequirementOwnerId())
1484             || (isCvfc(originComponent) && StringUtils
1485             .equals(fromInstanceId, reqAndRelationshipPair.getRequirementOwnerId())
1486             || StringUtils.equals(requirement.getOwnerId(), originComponent.getUniqueId()));
1487     }
1488
1489     private boolean isCvfc(Component component) {
1490         return component.getComponentType() == ComponentTypeEnum.RESOURCE &&
1491             ((Resource) component).getResourceType() == ResourceTypeEnum.CVFC;
1492     }
1493
1494     private Either<SubstitutionMapping, ToscaError> convertCapabilities(Component component,
1495                                                                         SubstitutionMapping substitutionMappings,
1496                                                                         Map<String, Component> componentCache) {
1497
1498         Either<SubstitutionMapping, ToscaError> result = Either.left(substitutionMappings);
1499         Either<Map<String, String[]>, ToscaError> toscaCapabilitiesRes = capabilityRequirementConverter
1500             .convertSubstitutionMappingCapabilities(componentCache, component);
1501         if (toscaCapabilitiesRes.isRight()) {
1502             result = Either.right(toscaCapabilitiesRes.right().value());
1503             log.debug("Failed convert capabilities for the component {}. ", component.getName());
1504         } else if (isNotEmpty(toscaCapabilitiesRes.left().value())) {
1505             substitutionMappings.setCapabilities(toscaCapabilitiesRes.left().value());
1506             log.debug("Finish convert capabilities for the component {}. ", component.getName());
1507         }
1508         log.debug("Finished to convert capabilities for the component {}. ", component.getName());
1509         return result;
1510     }
1511
1512     private Either<ToscaNodeType, ToscaError> convertCapabilities(Map<String, Component> componentsCache,
1513                                                                   Component component, ToscaNodeType nodeType,
1514                                                                   Map<String, DataTypeDefinition> dataTypes) {
1515         Map<String, ToscaCapability> toscaCapabilities = capabilityRequirementConverter
1516             .convertCapabilities(componentsCache, component,
1517                 dataTypes);
1518         if (!toscaCapabilities.isEmpty()) {
1519             nodeType.setCapabilities(toscaCapabilities);
1520         }
1521         log.debug("Finish convert Capabilities for node type");
1522
1523         return Either.left(nodeType);
1524     }
1525
1526     private Map<String, ToscaTemplateArtifact> convertToNodeTemplateArtifacts(
1527         Map<String, ToscaArtifactDataDefinition> artifacts) {
1528         if (artifacts == null) {
1529             return null;
1530         }
1531         Map<String, ToscaTemplateArtifact> arts = new HashMap<>();
1532         for (Map.Entry<String, ToscaArtifactDataDefinition> entry : artifacts.entrySet()) {
1533             ToscaTemplateArtifact artifact = new ToscaTemplateArtifact();
1534             artifact.setFile(entry.getValue().getFile());
1535             artifact.setType(entry.getValue().getType());
1536             arts.put(entry.getKey(), artifact);
1537         }
1538         return arts;
1539     }
1540
1541     protected NodeFilter convertToNodeTemplateNodeFilterComponent(CINodeFilterDataDefinition inNodeFilter) {
1542         if (inNodeFilter == null) {
1543             return null;
1544         }
1545         NodeFilter nodeFilter = new NodeFilter();
1546
1547         ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> origCapabilities =
1548             inNodeFilter.getCapabilities();
1549
1550         ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> origProperties = inNodeFilter.getProperties();
1551
1552         List<Map<String, CapabilityFilter>> capabilitiesCopy = new ArrayList<>();
1553         List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1554
1555         copyNodeFilterCapabilitiesTemplate(origCapabilities, capabilitiesCopy);
1556         copyNodeFilterProperties(origProperties, propertiesCopy);
1557
1558         if (CollectionUtils.isNotEmpty(capabilitiesCopy)) {
1559             nodeFilter.setCapabilities(capabilitiesCopy);
1560         }
1561
1562         if (CollectionUtils.isNotEmpty(propertiesCopy)) {
1563             nodeFilter.setProperties(propertiesCopy);
1564         }
1565
1566         nodeFilter.setTosca_id(cloneToscaId(inNodeFilter.getTosca_id()));
1567
1568         nodeFilter = (NodeFilter) cloneObjectFromYml(nodeFilter, NodeFilter.class);
1569
1570         return nodeFilter;
1571     }
1572
1573     private NodeFilter convertToSubstitutionFilterComponent(
1574         final SubstitutionFilterDataDefinition substitutionFilterDataDefinition) {
1575
1576         if (substitutionFilterDataDefinition == null) {
1577             return null;
1578         }
1579         NodeFilter nodeFilter = new NodeFilter();
1580
1581         ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> origProperties =
1582             substitutionFilterDataDefinition.getProperties();
1583         List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1584
1585         copySubstitutionFilterProperties(origProperties, propertiesCopy);
1586
1587         if (CollectionUtils.isNotEmpty(propertiesCopy)) {
1588             nodeFilter.setProperties(propertiesCopy);
1589         }
1590         nodeFilter.setTosca_id(cloneToscaId(substitutionFilterDataDefinition.getTosca_id()));
1591
1592         return (NodeFilter) cloneObjectFromYml(nodeFilter, NodeFilter.class);
1593     }
1594
1595     private Object cloneToscaId(Object toscaId) {
1596         return Objects.isNull(toscaId) ? null
1597             : cloneObjectFromYml(toscaId, toscaId.getClass());
1598     }
1599
1600     private Object cloneObjectFromYml(Object objToClone, Class classOfObj) {
1601         String objectAsYml = yamlUtil.objectToYaml(objToClone);
1602         return yamlUtil.yamlToObject(objectAsYml, classOfObj);
1603     }
1604
1605     private void copyNodeFilterCapabilitiesTemplate(
1606         ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> origCapabilities,
1607         List<Map<String, CapabilityFilter>> capabilitiesCopy) {
1608         if (origCapabilities == null || origCapabilities.getListToscaDataDefinition() == null ||
1609             origCapabilities.getListToscaDataDefinition().isEmpty()) {
1610             return;
1611         }
1612         for (RequirementNodeFilterCapabilityDataDefinition capability : origCapabilities.getListToscaDataDefinition()) {
1613             Map<String, CapabilityFilter> capabilityFilterCopyMap = new HashMap<>();
1614             CapabilityFilter capabilityFilter = new CapabilityFilter();
1615             List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1616             copyNodeFilterProperties(capability.getProperties(), propertiesCopy);
1617             capabilityFilter.setProperties(propertiesCopy);
1618             capabilityFilterCopyMap.put(capability.getName(), capabilityFilter);
1619             capabilitiesCopy.add(capabilityFilterCopyMap);
1620         }
1621     }
1622
1623     private void copyNodeFilterProperties(
1624         ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> origProperties,
1625         List<Map<String, List<Object>>> propertiesCopy) {
1626         if (origProperties == null || origProperties.getListToscaDataDefinition() == null ||
1627             origProperties.isEmpty()) {
1628             return;
1629         }
1630         Map<String, List<Object>> propertyMapCopy = new HashMap<>();
1631         for (RequirementNodeFilterPropertyDataDefinition propertyDataDefinition : origProperties
1632             .getListToscaDataDefinition()) {
1633             for (String propertyInfoEntry : propertyDataDefinition.getConstraints()) {
1634                 Map propertyValObj = new YamlUtil().yamlToObject(propertyInfoEntry, Map.class);
1635                 String propertyName = propertyDataDefinition.getName();
1636                 if (propertyMapCopy.containsKey(propertyName)) {
1637                     addPropertyConstraintValueToList(propertyName, propertyValObj, propertyMapCopy.get(propertyName));
1638                 } else {
1639                     if (propertyName != null) {
1640                         List propsList = new ArrayList();
1641                         addPropertyConstraintValueToList(propertyName, propertyValObj, propsList);
1642                         propertyMapCopy.put(propertyName, propsList);
1643                     } else {
1644                         propertyMapCopy.putAll(propertyValObj);
1645                     }
1646                 }
1647             }
1648         }
1649         propertyMapCopy.entrySet().stream().forEach(entry ->
1650             addCalculatedConstraintsIntoPropertiesList(propertiesCopy, entry));
1651     }
1652
1653     private void copySubstitutionFilterProperties(
1654         final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> origProperties,
1655         final List<Map<String, List<Object>>> propertiesCopy) {
1656         if (origProperties == null || origProperties.getListToscaDataDefinition() == null ||
1657             origProperties.isEmpty()) {
1658             return;
1659         }
1660         final Map<String, List<Object>> propertyMapCopy = new HashMap<>();
1661         for (final RequirementSubstitutionFilterPropertyDataDefinition propertyDataDefinition : origProperties
1662             .getListToscaDataDefinition()) {
1663             for (final String propertyInfoEntry : propertyDataDefinition.getConstraints()) {
1664                 final Map<String, List<Object>> propertyValObj = new YamlUtil()
1665                     .yamlToObject(propertyInfoEntry, Map.class);
1666                 final String propertyName = propertyDataDefinition.getName();
1667                 if (propertyMapCopy.containsKey(propertyName)) {
1668                     addPropertyConstraintValueToList(propertyName, propertyValObj, propertyMapCopy.get(propertyName));
1669                 } else {
1670                     if (propertyName != null) {
1671                         final List<Object> propsList = new ArrayList();
1672                         addPropertyConstraintValueToList(propertyName, propertyValObj, propsList);
1673                         propertyMapCopy.put(propertyName, propsList);
1674                     } else {
1675                         propertyMapCopy.putAll(propertyValObj);
1676                     }
1677                 }
1678             }
1679         }
1680         propertyMapCopy.entrySet().forEach(entry ->
1681             addCalculatedConstraintsIntoPropertiesList(propertiesCopy, entry));
1682     }
1683
1684     private void addPropertyConstraintValueToList(String propertyName, Map propertyValObj, List propsList) {
1685         if (propertyValObj.containsKey(propertyName)) {
1686             propsList.add(propertyValObj.get(propertyName));
1687         } else {
1688             propsList.add(propertyValObj);
1689         }
1690     }
1691
1692     private void addCalculatedConstraintsIntoPropertiesList(List<Map<String, List<Object>>> propertiesCopy,
1693                                                             Entry<String, List<Object>> entry) {
1694         Map<String, List<Object>> tempMap = new HashMap<>();
1695         tempMap.put(entry.getKey(), entry.getValue());
1696         propertiesCopy.add(tempMap);
1697     }
1698
1699     private static class CustomRepresenter extends Representer {
1700
1701         CustomRepresenter() {
1702             super();
1703             this.representers.put(ToscaPropertyAssignment.class, new RepresentToscaPropertyAssignment());
1704             // null representer is exceptional and it is stored as an instance
1705             // variable.
1706             this.nullRepresenter = new RepresentNull();
1707
1708         }
1709
1710         private class RepresentToscaPropertyAssignment implements Represent {
1711             public Node representData(Object data) {
1712                 final ToscaPropertyAssignment toscaOperationAssignment = (ToscaPropertyAssignment) data;
1713                 if (toscaOperationAssignment.getValue() instanceof String) {
1714                     final String stringValue = (String) toscaOperationAssignment.getValue();
1715                     if (isPropertyOrAttributeFunction(stringValue)) {
1716                         return representGetAttribute(stringValue);
1717                     }
1718
1719                     return representScalar(Tag.STR, stringValue);
1720                 }
1721                 return represent(null);
1722             }
1723
1724             public Node representGetAttribute(final String getAttributeFunction) {
1725                 return represent(new Yaml().load(getAttributeFunction));
1726             }
1727
1728             public boolean isPropertyOrAttributeFunction(final String value) {
1729                 try {
1730                     final Yaml yaml = new Yaml();
1731                     final Object yamlObj = yaml.load(value);
1732                     if (!(yamlObj instanceof Map)) {
1733                         return false;
1734                     }
1735                     final Map<String, Object> getAttributeMap = (Map) yamlObj;
1736                     if (getAttributeMap.size() != 1) {
1737                         return false;
1738                     }
1739                     final List<String> functionList = Arrays
1740                         .asList(GET_ATTRIBUTE.getFunctionName(), GET_INPUT.getFunctionName(),
1741                             GET_PROPERTY.getFunctionName());
1742                     final Optional<String> function = getAttributeMap.keySet().stream()
1743                         .filter(key -> functionList.stream().anyMatch(function1 -> function1.equals(key))).findFirst();
1744
1745                     if (function.isEmpty()) {
1746                         return false;
1747                     }
1748                     final String functionName = function.get();
1749                     final Object getAttributeValueObj = getAttributeMap.get(functionName);
1750                     if (GET_INPUT.getFunctionName().equals(functionName)) {
1751                         return validateGetInputValue(getAttributeValueObj);
1752                     } else {
1753                         return validateGetPropertyOrAttributeValue(getAttributeValueObj);
1754                     }
1755                 } catch (final Exception ignored) {
1756                     return false;
1757                 }
1758             }
1759         }
1760
1761         public boolean validateGetInputValue(final Object valueObj) {
1762             if (!(valueObj instanceof List) && !(valueObj instanceof String)) {
1763                 return false;
1764             }
1765             if (valueObj instanceof List) {
1766                 return ((List) valueObj).size() > 1;
1767             }
1768
1769             return true;
1770         }
1771
1772         public boolean validateGetPropertyOrAttributeValue(final Object valueObj) {
1773             if (valueObj instanceof List) {
1774                 return ((List) valueObj).size() > 1;
1775             }
1776
1777             return false;
1778         }
1779
1780         @Override
1781         protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue,
1782                                                       Tag customTag) {
1783             if (propertyValue == null) {
1784                 return null;
1785             }
1786             // skip not relevant for Tosca property
1787             if ("dependencies".equals(property.getName())) {
1788                 return null;
1789             }
1790             if (javaBean instanceof ToscaRelationshipTemplate && "name".equals(property.getName())) {
1791                 return null;
1792             }
1793
1794             removeDefaultP(propertyValue);
1795             NodeTuple defaultNode = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
1796
1797             if (javaBean instanceof ToscaTopolgyTemplate && "relationshipTemplates".equals(property.getName())) {
1798                 return new NodeTuple(representData("relationship_templates"), defaultNode.getValueNode());
1799             }
1800
1801             return "_defaultp_".equals(property.getName())
1802                 ? new NodeTuple(representData("default"), defaultNode.getValueNode()) : defaultNode;
1803         }
1804
1805         private void removeDefaultP(final Object propertyValue) {
1806             if (propertyValue instanceof Map) {
1807                 final Map mapPropertyValue = ((Map) propertyValue);
1808
1809                 final Iterator<Entry> iter = mapPropertyValue.entrySet().iterator();
1810                 Object defaultValue = null;
1811                 while (iter.hasNext()) {
1812                     final Map.Entry entry = iter.next();
1813
1814                     if ("_defaultp_".equals(entry.getKey())) {
1815                         defaultValue = entry.getValue();
1816                         iter.remove();
1817                     } else if (entry.getValue() instanceof Map) {
1818                         removeDefaultP(entry.getValue());
1819                     }
1820                 }
1821                 if (defaultValue != null) {
1822                     mapPropertyValue.putIfAbsent("default", defaultValue);
1823                 }
1824             }
1825         }
1826
1827         @Override
1828         protected MappingNode representJavaBean(Set<Property> properties, Object javaBean) {
1829             // remove the bean type from the output yaml (!! ...)
1830             if (!classTags.containsKey(javaBean.getClass())) {
1831                 addClassTag(javaBean.getClass(), Tag.MAP);
1832             }
1833
1834             return super.representJavaBean(properties, javaBean);
1835         }
1836
1837         private class RepresentNull implements Represent {
1838
1839             @Override
1840             public Node representData(Object data) {
1841                 // possible values are here http://yaml.org/type/null.html
1842                 return representScalar(Tag.NULL, "");
1843             }
1844         }
1845     }
1846
1847     private static class UnsortedPropertyUtils extends PropertyUtils {
1848
1849         @Override
1850         protected Set<Property> createPropertySet(Class type, BeanAccess bAccess)
1851             throws IntrospectionException {
1852             Collection<Property> fields = getPropertiesMap(type, BeanAccess.FIELD).values();
1853             return new LinkedHashSet<>(fields);
1854         }
1855     }
1856
1857     private Object removeOperationsKeyFromInterface(Object interfaceInstanceDataDefinition) {
1858         ObjectMapper objectMapper = new ObjectMapper();
1859         objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false);
1860
1861         Map<String, Object> interfaceAsMap = ServiceUtils.getObjectAsMap(interfaceInstanceDataDefinition);
1862         Map<String, Object> operations = (Map<String, Object>) interfaceAsMap.remove("operations");
1863         interfaceAsMap.remove("empty");
1864
1865         if (MapUtils.isNotEmpty(operations)) {
1866             interfaceAsMap.putAll(operations);
1867         }
1868
1869         Object interfaceObject = objectMapper.convertValue(interfaceAsMap, Object.class);
1870
1871         return interfaceObject;
1872
1873     }
1874
1875     private Map<String, String[]> buildSubstitutionMappingPropertyMapping(final Component component) {
1876         if (component == null || CollectionUtils.isEmpty(component.getInputs())) {
1877             return Collections.emptyMap();
1878         }
1879         return component.getInputs().stream()
1880             .map(PropertyDataDefinition::getName)
1881             .collect(
1882                 Collectors.toMap(
1883                     inputName -> inputName,
1884                     inputName -> new String[]{inputName},
1885                     (inputName1, inputName2) -> inputName1)
1886             );
1887     }
1888
1889     private Map<String, String[]> buildSubstitutionMappingAttributesMapping(final Component component) {
1890         if (component == null || CollectionUtils.isEmpty(component.getOutputs())) {
1891             return Collections.emptyMap();
1892         }
1893         return component.getOutputs().stream()
1894             .map(AttributeDataDefinition::getName)
1895             .collect(
1896                 Collectors.toMap(
1897                     outputName -> outputName,
1898                     outputName -> new String[]{outputName},
1899                     (outputName1, outputName2) -> outputName1)
1900             );
1901     }
1902
1903     Optional<Map<String, ToscaProperty>> getProxyNodeTypeProperties(Component proxyComponent,
1904                                                                     Map<String, DataTypeDefinition>
1905                                                                         dataTypes) {
1906         if (Objects.isNull(proxyComponent)) {
1907             return Optional.empty();
1908         }
1909         Map<String, ToscaProperty> proxyProperties = new HashMap<>();
1910         addInputsToProperties(dataTypes, proxyComponent.getInputs(), proxyProperties);
1911         if (CollectionUtils.isNotEmpty(proxyComponent.getProperties())) {
1912             proxyProperties.putAll(proxyComponent.getProperties().stream()
1913                 .map(propertyDefinition -> resolvePropertyValueFromInput(propertyDefinition,
1914                     proxyComponent.getInputs()))
1915                 .collect(Collectors.toMap(PropertyDataDefinition::getName,
1916                     property -> propertyConvertor.convertProperty(dataTypes, property,
1917                         PropertyConvertor.PropertyType.PROPERTY))));
1918         }
1919         return MapUtils.isNotEmpty(proxyProperties) ? Optional.of(proxyProperties) : Optional.empty();
1920     }
1921
1922     void addInputsToProperties(Map<String, DataTypeDefinition> dataTypes,
1923                                List<InputDefinition> componentInputs,
1924                                Map<String, ToscaProperty> mergedProperties) {
1925         if (CollectionUtils.isEmpty(componentInputs)) {
1926             return;
1927         }
1928         for (InputDefinition input : componentInputs) {
1929             ToscaProperty property = propertyConvertor.convertProperty(dataTypes, input,
1930                 PropertyConvertor.PropertyType.INPUT);
1931             mergedProperties.put(input.getName(), property);
1932         }
1933     }
1934
1935     Optional<Map<String, Object>> getProxyNodeTypeInterfaces(Component proxyComponent,
1936                                                              Map<String, DataTypeDefinition> dataTypes) {
1937         if (Objects.isNull(proxyComponent) || MapUtils.isEmpty(proxyComponent.getInterfaces())) {
1938             return Optional.empty();
1939         }
1940         Map<String, InterfaceDefinition> proxyComponentInterfaces = proxyComponent.getInterfaces();
1941         //Unset artifact path for operation implementation for proxy node types as for operations with artifacts it is
1942         // always available in the proxy node template
1943         removeOperationImplementationForProxyNodeType(proxyComponentInterfaces);
1944         return Optional.ofNullable(interfacesOperationsConverter
1945             .getInterfacesMap(proxyComponent, null, proxyComponentInterfaces, dataTypes,
1946                 false, false));
1947     }
1948
1949     private static void removeOperationImplementationForProxyNodeType(
1950         Map<String, InterfaceDefinition> proxyComponentInterfaces) {
1951         if (MapUtils.isEmpty(proxyComponentInterfaces)) {
1952             return;
1953         }
1954         proxyComponentInterfaces.values().stream().map(InterfaceDataDefinition::getOperations)
1955             .filter(MapUtils::isNotEmpty)
1956             .forEach(operations -> operations.values().forEach(operation -> operation.setImplementation(null)));
1957     }
1958 }