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.datatypes.model.AttributeDefinition;
  58 import org.onap.sdc.tosca.services.YamlUtil;
  59 import org.openecomp.sdc.be.components.impl.exceptions.SdcResourceNotFoundException;
  60 import org.openecomp.sdc.be.config.ConfigurationManager;
  61 import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
  62 import org.openecomp.sdc.be.datatypes.components.ResourceMetadataDataDefinition;
  63 import org.openecomp.sdc.be.datatypes.elements.AttributeDataDefinition;
  64 import org.openecomp.sdc.be.datatypes.elements.CINodeFilterDataDefinition;
  65 import org.openecomp.sdc.be.datatypes.elements.InterfaceDataDefinition;
  66 import org.openecomp.sdc.be.datatypes.elements.ListDataDefinition;
  67 import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
  68 import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterCapabilityDataDefinition;
  69 import org.openecomp.sdc.be.datatypes.elements.RequirementNodeFilterPropertyDataDefinition;
  70 import org.openecomp.sdc.be.datatypes.elements.RequirementSubstitutionFilterPropertyDataDefinition;
  71 import org.openecomp.sdc.be.datatypes.elements.SubstitutionFilterDataDefinition;
  72 import org.openecomp.sdc.be.datatypes.elements.ToscaArtifactDataDefinition;
  73 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  74 import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
  75 import org.openecomp.sdc.be.datatypes.enums.OriginTypeEnum;
  76 import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
  77 import org.openecomp.sdc.be.exception.ToscaExportException;
  78 import org.openecomp.sdc.be.model.ArtifactDefinition;
  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 || componentInstance.getOriginType() == OriginTypeEnum.ServiceSubstitution) {
 588             final Either<Component, StorageOperationStatus> sourceService = toscaOperationFacade
 589                 .getToscaFullElement(componentInstance.getSourceModelUid());
 590             if (sourceService.isRight() && (log.isDebugEnabled())) {
 591                 log.debug("Failed to fetch source service with id {} for proxy {}",
 592                     componentInstance.getSourceModelUid(), componentInstance.getUniqueId());
 593             }
 594             final Component fetchedSource = sourceService.left().value();
 595             componentCache.put(fetchedSource.getUniqueId(), fetchedSource);
 596         }
 597     }
 598
 599     /**
 600      * Retrieves all derived_from nodes and stores it in a predictable order.
 601      */
 602     private void addDependencies(final List<Map<String, Map<String, String>>> imports,
 603                                  final List<Triple<String, String, Component>> dependencies,
 604                                  final Component fetchedComponent) {
 605         final Set<Component> componentsList = new LinkedHashSet<>();
 606         if (fetchedComponent instanceof Resource) {
 607             log.debug("fetchedComponent is a resource {}", fetchedComponent);
 608
 609             final Optional<Map<String, String>> derivedFromMapOfIdToName = getDerivedFromMapOfIdToName(fetchedComponent,
 610                 componentsList);
 611             if (derivedFromMapOfIdToName.isPresent()) {
 612                 derivedFromMapOfIdToName.get().entrySet().forEach(entry -> {
 613                     log.debug("Started entry.getValue() : {}", entry.getValue());
 614                     if (!NATIVE_ROOT.equals(entry.getValue())) {
 615                         Either<Resource, StorageOperationStatus> resourcefetched = toscaOperationFacade
 616                             .getToscaElement(entry.getKey());
 617                         if (resourcefetched != null && resourcefetched.isLeft()) {
 618                             componentsList.add(resourcefetched.left().value());
 619                         }
 620                     }
 621                 });
 622             }
 623             setImports(imports, dependencies, componentsList);
 624         }
 625     }
 626
 627     /**
 628      * Returns all derived_from nodes found.
 629      */
 630     private Optional<Map<String, String>> getDerivedFromMapOfIdToName(final Component fetchedComponent,
 631                                                                       final Set<Component> componentsList) {
 632         final Resource parentResource = (Resource) fetchedComponent;
 633         Map<String, String> derivedFromMapOfIdToName = new HashMap<>();
 634         if (CollectionUtils.isNotEmpty(parentResource.getComponentInstances())) {
 635             componentsList.add(fetchedComponent);
 636             for (final ComponentInstance componentInstance : parentResource.getComponentInstances()) {
 637                 final Either<Resource, StorageOperationStatus> resourcefetched = toscaOperationFacade
 638                     .getToscaElement(componentInstance.getComponentUid());
 639                 if (resourcefetched != null && resourcefetched.isLeft()) {
 640                     final Map<String, String> derivedWithId = resourcefetched.left().value()
 641                         .getDerivedFromMapOfIdToName();
 642                     if (MapUtils.isNotEmpty(derivedWithId)) {
 643                         derivedFromMapOfIdToName.putAll(derivedWithId);
 644                     }
 645                 }
 646             }
 647         } else {
 648             derivedFromMapOfIdToName = parentResource.getDerivedFromMapOfIdToName();
 649         }
 650         log.debug("Started derivedFromMapOfIdToName: {}", derivedFromMapOfIdToName);
 651         return Optional.ofNullable(derivedFromMapOfIdToName);
 652     }
 653
 654     /**
 655      * Creates a resource map and adds it to the import list.
 656      */
 657     private void setImports(final List<Map<String, Map<String, String>>> imports,
 658                             final List<Triple<String, String, Component>> dependencies,
 659                             final Set<Component> componentsList) {
 660         componentsList.forEach(component -> {
 661             final Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
 662             final ArtifactDefinition artifactDefinition = toscaArtifacts.get(ASSET_TOSCA_TEMPLATE);
 663             if (artifactDefinition != null) {
 664                 final Map<String, String> files = new HashMap<>();
 665                 final String artifactName = artifactDefinition.getArtifactName();
 666                 files.put(IMPORTS_FILE_KEY, artifactName);
 667                 final StringBuilder keyNameBuilder = new StringBuilder();
 668                 keyNameBuilder.append(component.getComponentType().toString().toLowerCase());
 669                 keyNameBuilder.append("-");
 670                 keyNameBuilder.append(component.getName());
 671                 addImports(imports, keyNameBuilder, files);
 672                 dependencies
 673                     .add(new ImmutableTriple<String, String, Component>(artifactName, artifactDefinition.getEsId(),
 674                         component));
 675
 676                 if (!ModelConverter.isAtomicComponent(component)) {
 677                     final Map<String, String> interfaceFiles = new HashMap<>();
 678                     interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactName));
 679                     keyNameBuilder.append("-interface");
 680                     addImports(imports, keyNameBuilder, interfaceFiles);
 681                 }
 682             }
 683         });
 684     }
 685
 686     /**
 687      * Adds the found resource to the import definition list.
 688      */
 689     private void addImports(final List<Map<String, Map<String, String>>> imports,
 690                             final StringBuilder keyNameBuilder,
 691                             final Map<String, String> files) {
 692         final String mapKey = keyNameBuilder.toString();
 693         if (imports.stream().allMatch(stringMapMap -> stringMapMap.get(mapKey) == null)) {
 694             final Map<String, Map<String, String>> importsListMember = new HashMap<>();
 695             importsListMember.put(keyNameBuilder.toString(), files);
 696             imports.add(importsListMember);
 697         }
 698     }
 699
 700     public static String getInterfaceFilename(String artifactName) {
 701         return artifactName.substring(0, artifactName.lastIndexOf('.')) + ToscaExportHandler.TOSCA_INTERFACE_NAME;
 702     }
 703
 704     private Either<ToscaTemplate, ToscaError> convertNodeType(Map<String, Component> componentsCache,
 705                                                               Component component, ToscaTemplate toscaNode,
 706                                                               Map<String, ToscaNodeType> nodeTypes) {
 707         return convertInterfaceNodeType(componentsCache, component, toscaNode, nodeTypes, false);
 708     }
 709
 710     public Either<ToscaTemplate, ToscaError> convertInterfaceNodeType(Map<String, Component> componentsCache,
 711                                                                       Component component, ToscaTemplate toscaNode,
 712                                                                       Map<String, ToscaNodeType> nodeTypes,
 713                                                                       boolean isAssociatedComponent) {
 714         log.debug("start convert node type for {}", component.getUniqueId());
 715         ToscaNodeType toscaNodeType = createNodeType(component);
 716
 717         Either<Map<String, InterfaceDefinition>, StorageOperationStatus> lifecycleTypeEither =
 718             interfaceLifecycleOperation.getAllInterfaceLifecycleTypes();
 719         if (lifecycleTypeEither.isRight()) {
 720             log.debug("Failed to fetch all interface types :", lifecycleTypeEither.right().value());
 721             return Either.right(ToscaError.GENERAL_ERROR);
 722         }
 723         List<String> allGlobalInterfaceTypes = lifecycleTypeEither.left().value()
 724             .values()
 725             .stream()
 726             .map(InterfaceDataDefinition::getType)
 727             .collect(Collectors.toList());
 728         toscaNode.setInterface_types(addInterfaceTypeElement(component, allGlobalInterfaceTypes));
 729
 730         Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
 731         if (dataTypesEither.isRight()) {
 732             log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 733             return Either.right(ToscaError.GENERAL_ERROR);
 734         }
 735
 736         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 737
 738         List<InputDefinition> inputDef = component.getInputs();
 739         Map<String, ToscaProperty> mergedProperties = new HashMap<>();
 740         interfacesOperationsConverter
 741             .addInterfaceDefinitionElement(component, toscaNodeType, dataTypes, isAssociatedComponent);
 742         addInputsToProperties(dataTypes, inputDef, mergedProperties);
 743
 744         if (CollectionUtils.isNotEmpty(component.getProperties())) {
 745             List<PropertyDefinition> properties = component.getProperties();
 746             Map<String, ToscaProperty> convertedProperties = properties.stream()
 747                 .map(propertyDefinition -> resolvePropertyValueFromInput(propertyDefinition, component.getInputs()))
 748                 .collect(Collectors.toMap(PropertyDataDefinition::getName,
 749                     property -> propertyConvertor.convertProperty(dataTypes, property,
 750                         PropertyConvertor.PropertyType.PROPERTY)));
 751             // merge component properties and inputs properties
 752             mergedProperties.putAll(convertedProperties);
 753         }
 754         if (MapUtils.isNotEmpty(mergedProperties)) {
 755             toscaNodeType.setProperties(mergedProperties);
 756         }
 757
 758         /* convert private data_types */
 759         List<DataTypeDefinition> privateDataTypes = component.getDataTypes();
 760         if (CollectionUtils.isNotEmpty(privateDataTypes)) {
 761             Map<String, ToscaDataType> toscaDataTypeMap = new HashMap<>();
 762             for (DataTypeDefinition dataType : privateDataTypes) {
 763                 log.debug("Emitting private data type: component.name={} dataType.name={}",
 764                     component.getNormalizedName(), dataType.getName());
 765                 ToscaDataType toscaDataType = new ToscaDataType();
 766                 toscaDataType.setDerived_from(dataType.getDerivedFromName());
 767                 toscaDataType.setDescription(dataType.getDescription());
 768                 toscaDataType.setVersion(dataType.getVersion());
 769                 if (CollectionUtils.isNotEmpty(dataType.getProperties())) {
 770                     toscaDataType.setProperties(dataType.getProperties().stream()
 771                         .collect(Collectors.toMap(
 772                             s -> s.getName(),
 773                             s -> propertyConvertor
 774                                 .convertProperty(dataTypes, s, PropertyConvertor.PropertyType.PROPERTY)
 775                         )));
 776                 }
 777                 toscaDataTypeMap.put(dataType.getName(), toscaDataType);
 778             }
 779             toscaNode.setData_types(toscaDataTypeMap);
 780         }
 781
 782         // Extracted to method for code reuse
 783         return convertReqCapAndTypeName(componentsCache, component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 784     }
 785
 786     private Either<ToscaTemplate, ToscaError> convertReqCapAndTypeName(Map<String, Component> componentsCache,
 787                                                                        Component component, ToscaTemplate toscaNode,
 788                                                                        Map<String, ToscaNodeType> nodeTypes,
 789                                                                        ToscaNodeType toscaNodeType,
 790                                                                        Map<String, DataTypeDefinition> dataTypes) {
 791         Either<ToscaNodeType, ToscaError> capabilities = convertCapabilities(componentsCache, component, toscaNodeType,
 792             dataTypes);
 793         if (capabilities.isRight()) {
 794             return Either.right(capabilities.right().value());
 795         }
 796         toscaNodeType = capabilities.left().value();
 797         log.debug("Capabilities converted for {}", component.getUniqueId());
 798
 799         Either<ToscaNodeType, ToscaError> requirements = capabilityRequirementConverter
 800             .convertRequirements(componentsCache, component,
 801                 toscaNodeType);
 802         if (requirements.isRight()) {
 803             return Either.right(requirements.right().value());
 804         }
 805         toscaNodeType = requirements.left().value();
 806         log.debug("Requirements converted for {}", component.getUniqueId());
 807
 808         String toscaResourceName;
 809         switch (component.getComponentType()) {
 810             case RESOURCE:
 811                 toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 812                     .getMetadataDataDefinition()).getToscaResourceName();
 813                 break;
 814             case SERVICE:
 815                 toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 816                     + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 817                 break;
 818             default:
 819                 log.debug(NOT_SUPPORTED_COMPONENT_TYPE, component.getComponentType());
 820                 return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 821         }
 822
 823         nodeTypes.put(toscaResourceName, toscaNodeType);
 824         toscaNode.setNode_types(nodeTypes);
 825         log.debug("finish convert node type for {}", component.getUniqueId());
 826         return Either.left(toscaNode);
 827     }
 828
 829     protected Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplates(
 830         Component component,
 831         List<ComponentInstance> componentInstances,
 832         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 833         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 834         Map<String, Component> componentCache, Map<String, DataTypeDefinition> dataTypes,
 835         ToscaTopolgyTemplate topologyTemplate) {
 836
 837         Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplatesRes = null;
 838         log.debug("start convert topology template for {} for type {}", component.getUniqueId(),
 839             component.getComponentType());
 840         Map<String, ToscaNodeTemplate> nodeTemplates = new HashMap<>();
 841         Map<String, List<ComponentInstanceInput>> componentInstancesInputs = component.getComponentInstancesInputs();
 842
 843         Map<String, ToscaGroupTemplate> groupsMap = null;
 844         for (ComponentInstance componentInstance : componentInstances) {
 845             ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
 846             if (MapUtils.isNotEmpty(componentInstance.getToscaArtifacts())) {
 847                 nodeTemplate.setArtifacts(convertToNodeTemplateArtifacts(componentInstance.getToscaArtifacts()));
 848             }
 849             nodeTemplate.setType(componentInstance.getToscaComponentName());
 850             nodeTemplate.setDirectives(componentInstance.getDirectives());
 851             nodeTemplate.setNode_filter(convertToNodeTemplateNodeFilterComponent(componentInstance.getNodeFilter()));
 852
 853             Either<Component, Boolean> originComponentRes = capabilityRequirementConverter
 854                 .getOriginComponent(componentCache, componentInstance);
 855             if (originComponentRes.isRight()) {
 856                 convertNodeTemplatesRes = Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
 857                 break;
 858             }
 859             Either<ToscaNodeTemplate, ToscaError> requirements = convertComponentInstanceRequirements(component,
 860                 componentInstance, component.getComponentInstancesRelations(), nodeTemplate,
 861                 originComponentRes.left().value(), componentCache);
 862             if (requirements.isRight()) {
 863                 convertNodeTemplatesRes = Either.right(requirements.right().value());
 864                 break;
 865             }
 866             String instanceUniqueId = componentInstance.getUniqueId();
 867             log.debug("Component instance Requirements converted for instance {}", instanceUniqueId);
 868
 869             nodeTemplate = requirements.left().value();
 870
 871             Component originalComponent = componentCache.get(componentInstance.getActualComponentUid());
 872
 873             if (componentInstance.getOriginType() == OriginTypeEnum.ServiceProxy) {
 874                 Component componentOfProxy = componentCache.get(componentInstance.getComponentUid());
 875                 nodeTemplate.setMetadata(convertMetadata(componentOfProxy, true, componentInstance));
 876             } else {
 877                 nodeTemplate.setMetadata(convertMetadata(originalComponent, true, componentInstance));
 878             }
 879
 880             Either<ToscaNodeTemplate, ToscaError> capabilities = capabilityRequirementConverter
 881                 .convertComponentInstanceCapabilities(componentInstance, dataTypes, nodeTemplate);
 882             if (capabilities.isRight()) {
 883                 convertNodeTemplatesRes = Either.right(capabilities.right().value());
 884                 break;
 885             }
 886             log.debug("Component instance Capabilities converted for instance {}", instanceUniqueId);
 887
 888             nodeTemplate = capabilities.left().value();
 889             Map<String, Object> props = new HashMap<>();
 890
 891             if (originalComponent.getComponentType() == ComponentTypeEnum.RESOURCE) {
 892                 // Adds the properties of parent component to map
 893                 addPropertiesOfParentComponent(dataTypes, originalComponent, props);
 894             }
 895
 896             if (null != componentInstancesProperties && componentInstancesProperties.containsKey(instanceUniqueId)) {
 897                 addPropertiesOfComponentInstance(componentInstancesProperties, dataTypes, instanceUniqueId,
 898                     props);
 899             }
 900
 901             if (componentInstancesInputs != null && componentInstancesInputs.containsKey(instanceUniqueId)
 902                 && !isComponentOfTypeServiceProxy(componentInstance)) {
 903                 //For service proxy the inputs are already handled under instance properties above
 904                 addComponentInstanceInputs(dataTypes, componentInstancesInputs, instanceUniqueId,
 905                     props);
 906             }
 907
 908             //M3[00001] - NODE TEMPLATE INTERFACES  - START
 909             handleInstanceInterfaces(componentInstanceInterfaces, componentInstance, dataTypes, nodeTemplate,
 910                 instanceUniqueId, component);
 911             //M3[00001] - NODE TEMPLATE INTERFACES  - END
 912             if (props != null && !props.isEmpty()) {
 913                 nodeTemplate.setProperties(props);
 914             }
 915
 916             List<GroupInstance> groupInstances = componentInstance.getGroupInstances();
 917             if (groupInstances != null) {
 918                 if (groupsMap == null) {
 919                     groupsMap = new HashMap<>();
 920                 }
 921                 for (GroupInstance groupInst : groupInstances) {
 922                     boolean addToTosca = true;
 923
 924                     List<String> artifacts = groupInst.getArtifacts();
 925                     if (artifacts == null || artifacts.isEmpty()) {
 926                         addToTosca = false;
 927                     }
 928
 929                     if (addToTosca) {
 930                         ToscaGroupTemplate toscaGroup = groupExportParser
 931                             .getToscaGroupTemplate(groupInst, componentInstance.getInvariantName());
 932                         groupsMap.put(groupInst.getName(), toscaGroup);
 933                     }
 934                 }
 935             }
 936
 937             nodeTemplates.put(componentInstance.getName(), nodeTemplate);
 938         }
 939         if (groupsMap != null) {
 940             log.debug("instance groups added");
 941             topologyTemplate.addGroups(groupsMap);
 942         }
 943         if (component.getComponentType() == ComponentTypeEnum.SERVICE && isNotEmpty(
 944             ((Service) component).getForwardingPaths())) {
 945             log.debug("Starting converting paths for component {}, name {}", component.getUniqueId(),
 946                 component.getName());
 947             ForwardingPathToscaUtil
 948                 .addForwardingPaths((Service) component, nodeTemplates, capabilityRequirementConverter, componentCache,
 949                     toscaOperationFacade);
 950             log.debug("Finished converting paths for component {}, name {}", component.getUniqueId(),
 951                 component.getName());
 952         }
 953         if (convertNodeTemplatesRes == null) {
 954             convertNodeTemplatesRes = Either.left(nodeTemplates);
 955         }
 956         log.debug("finish convert topology template for {} for type {}", component.getUniqueId(),
 957             component.getComponentType());
 958         return convertNodeTemplatesRes;
 959     }
 960
 961     private void handleInstanceInterfaces(
 962         Map<String, List<ComponentInstanceInterface>> componentInstanceInterfaces,
 963         ComponentInstance componentInstance, Map<String, DataTypeDefinition> dataTypes, ToscaNodeTemplate nodeTemplate,
 964         String instanceUniqueId,
 965         Component parentComponent) {
 966
 967         if (MapUtils.isEmpty(componentInstanceInterfaces)
 968             || !componentInstanceInterfaces.containsKey(instanceUniqueId)) {
 969             nodeTemplate.setInterfaces(null);
 970             return;
 971         }
 972
 973         final List<ComponentInstanceInterface> currServiceInterfaces =
 974             componentInstanceInterfaces.get(instanceUniqueId);
 975
 976         final Map<String, InterfaceDefinition> tmpInterfaces = new HashMap<>();
 977         currServiceInterfaces.forEach(instInterface -> tmpInterfaces.put(instInterface
 978             .getUniqueId(), instInterface));
 979
 980         final Map<String, Object> interfaceMap = interfacesOperationsConverter
 981             .getInterfacesMap(parentComponent, componentInstance, tmpInterfaces, dataTypes, isComponentOfTypeServiceProxy(componentInstance), isComponentOfTypeServiceProxy(componentInstance));
 982
 983         interfacesOperationsConverter.removeInterfacesWithoutOperations(interfaceMap);
 984         nodeTemplate.setInterfaces(MapUtils.isEmpty(interfaceMap) ? null : interfaceMap);
 985     }
 986
 987     private boolean isComponentOfTypeServiceProxy(ComponentInstance componentInstance) {
 988         return Objects.nonNull(componentInstance.getOriginType())
 989             && componentInstance.getOriginType().getValue().equals("Service Proxy");
 990     }
 991
 992     //M3[00001] - NODE TEMPLATE INTERFACES  - START
 993     private Map<String, Object> getComponentInstanceInterfaceInstances(
 994         Map<String, List<ComponentInstanceInterface>> componentInstancesInterfaces,
 995         ComponentInstance componentInstance,
 996         String instanceUniqueId) {
 997         if (MapUtils.isEmpty(componentInstancesInterfaces)) {
 998             return null;
 999         }
1000
1001         List<ComponentInstanceInterface> componentInstanceInterfaces =
1002             componentInstancesInterfaces.get(instanceUniqueId);
1003
1004         if (CollectionUtils.isEmpty(componentInstanceInterfaces)) {
1005             return null;
1006         }
1007
1008         Map<String, Object> interfaces = new HashMap<>();
1009         for (ComponentInstanceInterface componentInstanceInterface : componentInstanceInterfaces) {
1010             interfaces.put(componentInstanceInterface.getInterfaceId(),
1011                 removeOperationsKeyFromInterface(componentInstanceInterface.getInterfaceInstanceDataDefinition()));
1012         }
1013
1014         componentInstance.setInterfaces(interfaces);
1015
1016         return interfaces;
1017     }
1018
1019     private void addComponentInstanceInputs(Map<String, DataTypeDefinition> dataTypes,
1020                                             Map<String, List<ComponentInstanceInput>> componentInstancesInputs,
1021                                             String instanceUniqueId, Map<String, Object> props) {
1022
1023         List<ComponentInstanceInput> instanceInputsList = componentInstancesInputs.get(instanceUniqueId);
1024         if (instanceInputsList != null) {
1025             instanceInputsList.forEach(input -> {
1026
1027                 Supplier<String> supplier = () -> input.getValue() != null && !Objects.isNull(input.getValue())
1028                     ? input.getValue() : input.getDefaultValue();
1029                 propertyConvertor.convertAndAddValue(dataTypes, props, input, supplier);
1030             });
1031         }
1032     }
1033
1034     private void addPropertiesOfComponentInstance(
1035         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
1036         Map<String, DataTypeDefinition> dataTypes, String instanceUniqueId,
1037         Map<String, Object> props) {
1038
1039         if (isNotEmpty(componentInstancesProperties)) {
1040             componentInstancesProperties.get(instanceUniqueId)
1041                 // Converts and adds each value to property map
1042                 .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
1043                     prop::getValue));
1044         }
1045     }
1046
1047     private void addPropertiesOfParentComponent(Map<String, DataTypeDefinition> dataTypes,
1048                                                 Component componentOfInstance, Map<String, Object> props) {
1049
1050         List<PropertyDefinition> componentProperties = componentOfInstance.getProperties();
1051         if (isNotEmpty(componentProperties)) {
1052             componentProperties.stream()
1053                 // Filters out properties with empty default values
1054                 .filter(prop -> StringUtils.isNotEmpty(prop.getDefaultValue()))
1055                 // Converts and adds each value to property map
1056                 .forEach(prop -> propertyConvertor.convertAndAddValue(dataTypes, props, prop,
1057                     prop::getDefaultValue));
1058         }
1059     }
1060
1061     private ToscaNodeType createNodeType(Component component) {
1062         ToscaNodeType toscaNodeType = new ToscaNodeType();
1063         if (ModelConverter.isAtomicComponent(component)) {
1064             if (((Resource) component).getDerivedFrom() != null) {
1065                 toscaNodeType.setDerived_from(((Resource) component).getDerivedFrom().get(0));
1066             }
1067             toscaNodeType.setDescription(component.getDescription());
1068         } else {
1069             String derivedFrom = null != component.getDerivedFromGenericType() ? component.getDerivedFromGenericType()
1070                 : NATIVE_ROOT;
1071             toscaNodeType.setDerived_from(derivedFrom);
1072         }
1073         if (component instanceof Resource) {
1074             final List<AttributeDataDefinition> attributes = ((Resource) component).getAttributes();
1075             if (CollectionUtils.isNotEmpty(attributes)) {
1076                 final Map<String, Object> attributeDataDefinitionMap = new HashMap<>();
1077                 attributes.forEach(attributeDataDefinition ->
1078                     buildAttributeData(attributeDataDefinition, attributeDataDefinitionMap));
1079
1080                 toscaNodeType.setAttributes(attributeDataDefinitionMap);
1081             }
1082         }
1083         return toscaNodeType;
1084     }
1085
1086     private void buildAttributeData(final AttributeDataDefinition originalAttributeDataDefinition,
1087                                     final Map<String, Object> attributeDataDefinitionMap) {
1088
1089         attributeDataDefinitionMap.put(originalAttributeDataDefinition.getName(),
1090             new ObjectMapper().convertValue(new AttributeDefinition(
1091                 originalAttributeDataDefinition.getType(),
1092                 originalAttributeDataDefinition.getDescription(),
1093                 originalAttributeDataDefinition.get_default(),
1094                 originalAttributeDataDefinition.getStatus(),
1095                 originalAttributeDataDefinition.getEntry_schema()), Object.class));
1096     }
1097
1098     private Either<Map<String, Object>, ToscaError> createProxyInterfaceTypes(Component container) {
1099
1100         Map<String, Object> proxyInterfaceTypes = new HashMap<>();
1101         Either<Map<String, Object>, ToscaError> res = Either.left(proxyInterfaceTypes);
1102         List<ComponentInstance> componentInstances = container.getComponentInstances();
1103         if (CollectionUtils.isEmpty(componentInstances)) {
1104             return res;
1105         }
1106         Map<String, ComponentInstance> serviceProxyInstanceList = new HashMap<>();
1107         componentInstances.stream()
1108             .filter(this::isComponentOfTypeServiceProxy)
1109             .forEach(inst -> serviceProxyInstanceList.put(inst.getToscaComponentName(), inst));
1110         if (MapUtils.isEmpty(serviceProxyInstanceList)) {
1111             return res;
1112         }
1113         for (Entry<String, ComponentInstance> entryProxy : serviceProxyInstanceList.entrySet()) {
1114             Component serviceComponent;
1115             ComponentParametersView componentParametersView = new ComponentParametersView();
1116             componentParametersView.disableAll();
1117             componentParametersView.setIgnoreInterfaces(false);
1118             Either<Component, StorageOperationStatus> service = toscaOperationFacade
1119                 .getToscaElement(entryProxy.getValue().getSourceModelUid(), componentParametersView);
1120             if (service.isRight()) {
1121                 log.debug("Failed to fetch original service component with id {} for instance {}",
1122                     entryProxy.getValue().getSourceModelUid(), entryProxy.getValue().getName());
1123                 return Either.right(ToscaError.GENERAL_ERROR);
1124             } else {
1125                 serviceComponent = service.left().value();
1126             }
1127
1128             Either<Map<String, InterfaceDefinition>, StorageOperationStatus> lifecycleTypeEither =
1129                 interfaceLifecycleOperation.getAllInterfaceLifecycleTypes();
1130             if (lifecycleTypeEither.isRight()) {
1131                 log.debug("Failed to retrieve global interface types :", lifecycleTypeEither.right().value());
1132                 return Either.right(ToscaError.GENERAL_ERROR);
1133             }
1134
1135             List<String> allGlobalInterfaceTypes = lifecycleTypeEither.left().value().values().stream()
1136                 .map(InterfaceDataDefinition::getType)
1137                 .collect(Collectors.toList());
1138             //Add interface types for local interfaces in the original service component for proxy
1139             Map<String, Object> localInterfaceTypes = addInterfaceTypeElement(serviceComponent,
1140                 allGlobalInterfaceTypes);
1141             if (MapUtils.isNotEmpty(localInterfaceTypes)) {
1142                 proxyInterfaceTypes.putAll(localInterfaceTypes);
1143             }
1144
1145         }
1146         return Either.left(proxyInterfaceTypes);
1147     }
1148
1149     private Either<Map<String, ToscaNodeType>, ToscaError> createProxyNodeTypes(Map<String, Component> componentCache,
1150                                                                                 Component container) {
1151
1152         Map<String, ToscaNodeType> nodeTypesMap = new HashMap<>();
1153         Either<Map<String, ToscaNodeType>, ToscaError> res = Either.left(nodeTypesMap);
1154
1155         List<ComponentInstance> componentInstances = container.getComponentInstances();
1156
1157         if (componentInstances == null || componentInstances.isEmpty()) {
1158             return res;
1159         }
1160         Map<String, ComponentInstance> serviceProxyInstanceList = new HashMap<>();
1161         List<ComponentInstance> proxyInst = componentInstances.stream()
1162             .filter(p -> p.getOriginType().name().equals(OriginTypeEnum.ServiceProxy.name()))
1163             .collect(Collectors.toList());
1164         if (proxyInst != null && !proxyInst.isEmpty()) {
1165             for (ComponentInstance inst : proxyInst) {
1166                 serviceProxyInstanceList.put(inst.getToscaComponentName(), inst);
1167             }
1168         }
1169
1170         if (serviceProxyInstanceList.isEmpty()) {
1171             return res;
1172         }
1173         Either<Resource, StorageOperationStatus> serviceProxyOrigin = toscaOperationFacade
1174             .getLatestByName("serviceProxy");
1175         if (serviceProxyOrigin.isRight()) {
1176             log.debug("Failed to fetch normative service proxy resource by tosca name, error {}",
1177                 serviceProxyOrigin.right().value());
1178             return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
1179         }
1180         Component origComponent = serviceProxyOrigin.left().value();
1181
1182         for (Entry<String, ComponentInstance> entryProxy : serviceProxyInstanceList.entrySet()) {
1183             Component serviceComponent = null;
1184             ComponentParametersView componentParametersView = new ComponentParametersView();
1185             componentParametersView.disableAll();
1186             componentParametersView.setIgnoreCategories(false);
1187             componentParametersView.setIgnoreProperties(false);
1188             componentParametersView.setIgnoreInputs(false);
1189             componentParametersView.setIgnoreInterfaces(false);
1190             componentParametersView.setIgnoreRequirements(false);
1191             Either<Component, StorageOperationStatus> service = toscaOperationFacade
1192                 .getToscaElement(entryProxy.getValue().getSourceModelUid(), componentParametersView);
1193             if (service.isRight()) {
1194                 log.debug("Failed to fetch resource with id {} for instance {}",
1195                     entryProxy.getValue().getSourceModelUid(), entryProxy.getValue().getName());
1196             } else {
1197                 serviceComponent = service.left().value();
1198             }
1199
1200             ToscaNodeType toscaNodeType = createProxyNodeType(componentCache, origComponent, serviceComponent,
1201                 entryProxy.getValue());
1202             nodeTypesMap.put(entryProxy.getKey(), toscaNodeType);
1203         }
1204
1205         return Either.left(nodeTypesMap);
1206     }
1207
1208     private void createServiceSubstitutionNodeTypes(final Map<String, Component> componentCache,
1209             final Component container, final ToscaTemplate toscaNode) {
1210         final List<ComponentInstance> componentInstances = container.getComponentInstances();
1211
1212         if (CollectionUtils.isEmpty(componentInstances)) {
1213             return;
1214         }
1215         final List<ComponentInstance> serviceSubstitutionInstanceList = componentInstances.stream()
1216                .filter(p -> p.getOriginType().name().equals(OriginTypeEnum.ServiceSubstitution.name()))
1217                .collect(Collectors.toList());
1218         if (CollectionUtils.isNotEmpty(serviceSubstitutionInstanceList)) {
1219             for (ComponentInstance inst : serviceSubstitutionInstanceList) {
1220                 final Map<String, ToscaNodeType> nodeTypes = toscaNode.getNode_types() == null ? new HashMap<>() : toscaNode.getNode_types();
1221                 convertInterfaceNodeType(new HashMap<>(), componentCache.get(inst.getSourceModelUid()), toscaNode, nodeTypes, true);
1222             }
1223         }
1224     }
1225
1226     private ToscaNodeType createProxyNodeType(Map<String, Component> componentCache, Component origComponent,
1227                                               Component proxyComponent, ComponentInstance componentInstance) {
1228         ToscaNodeType toscaNodeType = new ToscaNodeType();
1229         String derivedFrom = ((Resource) origComponent).getToscaResourceName();
1230
1231         toscaNodeType.setDerived_from(derivedFrom);
1232         Either<Map<String, DataTypeDefinition>, JanusGraphOperationStatus> dataTypesEither = dataTypeCache.getAll();
1233         if (dataTypesEither.isRight()) {
1234             log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
1235         }
1236         Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
1237         Map<String, ToscaCapability> capabilities = this.capabilityRequirementConverter
1238             .convertProxyCapabilities(componentCache, componentInstance, dataTypes);
1239
1240         if (MapUtils.isNotEmpty(capabilities)) {
1241             toscaNodeType.setCapabilities(capabilities);
1242         }
1243         List<Map<String, ToscaRequirement>> proxyNodeTypeRequirements = this.capabilityRequirementConverter
1244             .convertProxyRequirements(componentCache, componentInstance);
1245         if (CollectionUtils.isNotEmpty(proxyNodeTypeRequirements)) {
1246             toscaNodeType.setRequirements(proxyNodeTypeRequirements);
1247         }
1248         Optional<Map<String, ToscaProperty>> proxyProperties = getProxyNodeTypeProperties(proxyComponent, dataTypes);
1249         proxyProperties.ifPresent(toscaNodeType::setProperties);
1250
1251         Map<String, Object> interfaceMap = new HashMap<>();
1252         if (MapUtils.isEmpty(componentInstance.getInterfaces())) {
1253             final Optional<Map<String, Object>> proxyInterfaces = getProxyNodeTypeInterfaces(proxyComponent, dataTypes);
1254             if (proxyInterfaces.isPresent()) {
1255                 interfaceMap = proxyInterfaces.get();
1256             }
1257         } else {
1258             interfaceMap = interfacesOperationsConverter
1259                 .getInterfacesMapFromComponentInstance(proxyComponent, componentInstance, dataTypes, false, false);
1260
1261         }
1262         interfacesOperationsConverter.removeInterfacesWithoutOperations(interfaceMap);
1263         toscaNodeType.setInterfaces(MapUtils.isEmpty(interfaceMap) ? null : interfaceMap);
1264
1265         return toscaNodeType;
1266     }
1267
1268     private Either<ToscaNodeTemplate, ToscaError> convertComponentInstanceRequirements(Component component,
1269                                                                                        ComponentInstance componentInstance,
1270                                                                                        List<RequirementCapabilityRelDef> relations,
1271                                                                                        ToscaNodeTemplate nodeTypeTemplate,
1272                                                                                        Component originComponent,
1273                                                                                        Map<String, Component> componentCache) {
1274
1275         final List<Map<String, ToscaTemplateRequirement>> toscaRequirements;
1276         final List<RequirementCapabilityRelDef> requirementDefinitionList = filterRequirements(componentInstance,
1277             relations);
1278         if (isNotEmpty(requirementDefinitionList)) {
1279             try {
1280                 toscaRequirements = buildRequirements(component, componentInstance,
1281                     requirementDefinitionList, originComponent, componentCache);
1282                 if (!toscaRequirements.isEmpty()) {
1283                     nodeTypeTemplate.setRequirements(toscaRequirements);
1284                 }
1285             } catch (final Exception e) {
1286                 log.debug("Failed to convert component instance requirements for the component instance {}. ",
1287                     componentInstance.getName(), e);
1288                 return Either.right(ToscaError.NODE_TYPE_REQUIREMENT_ERROR);
1289             }
1290         }
1291         log.debug("Finished to convert requirements for the node type {} ", componentInstance.getName());
1292         return Either.left(nodeTypeTemplate);
1293     }
1294
1295     private List<Map<String, ToscaTemplateRequirement>> buildRequirements(final Component component,
1296                                                                           final ComponentInstance componentInstance,
1297                                                                           final List<RequirementCapabilityRelDef> filteredRelations,
1298                                                                           final Component originComponent,
1299                                                                           final Map<String, Component> componentCache)
1300         throws ToscaExportException {
1301
1302         final List<Map<String, ToscaTemplateRequirement>> toscaRequirements = new ArrayList<>();
1303         for (RequirementCapabilityRelDef relationshipDefinition : filteredRelations) {
1304             final Map<String, ToscaTemplateRequirement> toscaTemplateRequirementMap =
1305                 buildRequirement(componentInstance, originComponent, component.getComponentInstances(),
1306                     relationshipDefinition, componentCache);
1307             toscaRequirements.add(toscaTemplateRequirementMap);
1308         }
1309
1310         return toscaRequirements;
1311     }
1312
1313     private List<RequirementCapabilityRelDef> filterRequirements(ComponentInstance componentInstance,
1314                                                                  List<RequirementCapabilityRelDef> relations) {
1315         return relations.stream()
1316             .filter(p -> componentInstance.getUniqueId().equals(p.getFromNode())).collect(Collectors.toList());
1317     }
1318
1319     private Map<String, ToscaTemplateRequirement> buildRequirement(final ComponentInstance fromInstance,
1320                                                                    final Component fromOriginComponent,
1321                                                                    final List<ComponentInstance> instancesList,
1322                                                                    final RequirementCapabilityRelDef relationshipDefinition,
1323                                                                    final Map<String, Component> componentCache)
1324         throws ToscaExportException {
1325
1326         final Map<String, List<RequirementDefinition>> reqMap = fromOriginComponent.getRequirements();
1327         final CapabilityRequirementRelationship capabilityRequirementRelationship = relationshipDefinition
1328             .getRelationships().get(0);
1329         final RelationshipInfo relationshipInfo = capabilityRequirementRelationship.getRelation();
1330
1331         final ComponentInstance toInstance = instancesList.stream()
1332             .filter(i -> relationshipDefinition.getToNode().equals(i.getUniqueId()))
1333             .findFirst().orElse(null);
1334         if (toInstance == null) {
1335             final String errorMsg = String
1336                 .format("Failed to find a relation from the node %s to the node %s", fromInstance.getName(),
1337                     relationshipDefinition.getToNode());
1338             log.debug(errorMsg);
1339             throw new ToscaExportException(errorMsg);
1340         }
1341         final Optional<RequirementDefinition> reqOpt =
1342             findRequirement(fromOriginComponent, reqMap, relationshipInfo, fromInstance.getUniqueId());
1343         if (reqOpt.isEmpty()) {
1344             final String errorMsg = String
1345                 .format("Failed to find a requirement with uniqueId %s on a component with uniqueId %s",
1346                     relationshipInfo.getRequirementUid(), fromOriginComponent.getUniqueId());
1347             log.debug(errorMsg);
1348             throw new ToscaExportException(errorMsg);
1349         }
1350         final ComponentParametersView filter = new ComponentParametersView(true);
1351         filter.setIgnoreComponentInstances(false);
1352         filter.setIgnoreCapabilities(false);
1353         filter.setIgnoreGroups(false);
1354         final Either<Component, StorageOperationStatus> getOriginRes =
1355             toscaOperationFacade.getToscaElement(toInstance.getActualComponentUid(), filter);
1356         if (getOriginRes.isRight()) {
1357             final String errorMsg = String.format(
1358                 "Failed to build substituted name for the requirement %s. "
1359                     + "Failed to get an origin component with uniqueId %s",
1360                 reqOpt.get().getName(), toInstance.getActualComponentUid());
1361             log.debug(errorMsg);
1362             throw new ToscaExportException(errorMsg);
1363         }
1364         final Component toOriginComponent = getOriginRes.left().value();
1365         Optional<CapabilityDefinition> capOpt = toOriginComponent.getCapabilities().get(reqOpt.get().getCapability()).stream()
1366             .filter(c -> isCapabilityBelongToRelation(relationshipInfo, c)).findFirst();
1367         if (capOpt.isEmpty()) {
1368             capOpt = findCapability(relationshipInfo, toOriginComponent, fromOriginComponent, reqOpt.get());
1369             if (capOpt.isEmpty()) {
1370                 final String errorMsg = String
1371                     .format("Failed to find a capability with name %s on a component with uniqueId %s",
1372                         relationshipInfo.getCapability(), fromOriginComponent.getUniqueId());
1373                 log.debug(errorMsg);
1374                 throw new ToscaExportException(errorMsg);
1375             }
1376         }
1377         return buildRequirement(fromOriginComponent, toOriginComponent, capOpt.get(), reqOpt.get(),
1378             capabilityRequirementRelationship, toInstance, componentCache);
1379     }
1380
1381     private boolean isCapabilityBelongToRelation(RelationshipInfo reqAndRelationshipPair,
1382                                                  CapabilityDefinition capability) {
1383         return capability.getName().equals(reqAndRelationshipPair.getCapability()) && (capability.getOwnerId() != null
1384             && capability.getOwnerId().equals(reqAndRelationshipPair.getCapabilityOwnerId()));
1385     }
1386
1387     private Optional<CapabilityDefinition> findCapability(RelationshipInfo reqAndRelationshipPair,
1388                                                           Component toOriginComponent, Component fromOriginComponent,
1389                                                           RequirementDefinition requirement) {
1390         Optional<CapabilityDefinition> cap = toOriginComponent.getCapabilities().get(requirement.getCapability())
1391             .stream().filter(c -> c.getType().equals(requirement.getCapability())).findFirst();
1392         if (!cap.isPresent()) {
1393             log.debug("Failed to find a capability with name {} on a component with uniqueId {}",
1394                 reqAndRelationshipPair.getCapability(), fromOriginComponent.getUniqueId());
1395         }
1396         return cap;
1397     }
1398
1399     private Map<String, ToscaTemplateRequirement> buildRequirement(final Component fromOriginComponent,
1400                                                                    final Component toOriginComponent,
1401                                                                    final CapabilityDefinition capability,
1402                                                                    final RequirementDefinition requirement,
1403                                                                    final CapabilityRequirementRelationship capabilityRequirementRelationship,
1404                                                                    final ComponentInstance toInstance,
1405                                                                    final Map<String, Component> componentCache)
1406         throws ToscaExportException {
1407
1408         List<String> reducedPath = capability.getPath();
1409         if (capability.getOwnerId() != null) {
1410             reducedPath = capabilityRequirementConverter
1411                 .getReducedPathByOwner(capability.getPath(), capability.getOwnerId());
1412         }
1413         final RelationshipInfo relationshipInfo = capabilityRequirementRelationship.getRelation();
1414         final Either<String, Boolean> capabilityNameEither = capabilityRequirementConverter.buildSubstitutedName(componentCache,
1415             toOriginComponent, reducedPath, relationshipInfo.getCapability(), capability.getPreviousName());
1416         if (capabilityNameEither.isRight()) {
1417             final String errorMsg = String.format(
1418                 "Failed to build a substituted capability name for the capability with name %s on a component with uniqueId %s",
1419                 capabilityRequirementRelationship.getCapability(), toOriginComponent.getUniqueId());
1420             log.debug(
1421                 errorMsg);
1422             throw new ToscaExportException(errorMsg);
1423         }
1424         final Either<String, Boolean> requirementNameEither = capabilityRequirementConverter
1425             .buildSubstitutedName(componentCache, fromOriginComponent,
1426                 requirement.getPath(), relationshipInfo.getRequirement(), requirement.getPreviousName());
1427         if (requirementNameEither.isRight()) {
1428             final String errorMsg = String.format("Failed to build a substituted requirement name for the requirement "
1429                     + "with name %s on a component with uniqueId %s",
1430                 capabilityRequirementRelationship.getRequirement(), fromOriginComponent.getUniqueId());
1431             log.debug(errorMsg);
1432             throw new ToscaExportException(errorMsg);
1433         }
1434         final ToscaTemplateRequirement toscaRequirement = new ToscaTemplateRequirement();
1435         final Map<String, ToscaTemplateRequirement> toscaReqMap = new HashMap<>();
1436         toscaRequirement.setNode(toInstance.getName());
1437         toscaRequirement.setCapability(capabilityNameEither.left().value());
1438         if (isNotEmpty(capabilityRequirementRelationship.getOperations())) {
1439             toscaRequirement.setRelationship(new ToscaRelationshipBuilder().from(capabilityRequirementRelationship));
1440         }
1441         toscaReqMap.put(requirementNameEither.left().value(), toscaRequirement);
1442         return toscaReqMap;
1443     }
1444
1445     private Optional<RequirementDefinition> findRequirement(Component fromOriginComponent,
1446                                                             Map<String, List<RequirementDefinition>> reqMap,
1447                                                             RelationshipInfo reqAndRelationshipPair,
1448                                                             String fromInstanceId) {
1449         for (List<RequirementDefinition> reqList : reqMap.values()) {
1450             Optional<RequirementDefinition> reqOpt = reqList.stream().filter(
1451                 r -> isRequirementBelongToRelation(fromOriginComponent, reqAndRelationshipPair, r, fromInstanceId))
1452                 .findFirst();
1453             if (reqOpt.isPresent()) {
1454                 return reqOpt;
1455             }
1456         }
1457         return Optional.empty();
1458     }
1459
1460     /**
1461      * Allows detecting the requirement belonging to the received relationship The detection logic is: A requirement
1462      * belongs to a relationship IF 1.The name of the requirement equals to the "requirement" field of the relation; AND
1463      * 2. In case of a non-atomic resource, OwnerId of the requirement equals to requirementOwnerId of the relation OR
1464      * uniqueId of toInstance equals to capabilityOwnerId of the relation
1465      */
1466     private boolean isRequirementBelongToRelation(Component originComponent, RelationshipInfo reqAndRelationshipPair,
1467                                                   RequirementDefinition requirement, String fromInstanceId) {
1468         if (!StringUtils.equals(requirement.getName(), reqAndRelationshipPair.getRequirement())) {
1469             log.debug("Failed to find a requirement with name {} and  reqAndRelationshipPair {}",
1470                 requirement.getName(), reqAndRelationshipPair.getRequirement());
1471             return false;
1472         }
1473         return ModelConverter.isAtomicComponent(originComponent) ||
1474             isRequirementBelongToOwner(reqAndRelationshipPair, requirement, fromInstanceId, originComponent);
1475     }
1476
1477     private boolean isRequirementBelongToOwner(RelationshipInfo reqAndRelationshipPair,
1478                                                RequirementDefinition requirement, String fromInstanceId,
1479                                                Component originComponent) {
1480         return StringUtils.equals(requirement.getOwnerId(), reqAndRelationshipPair.getRequirementOwnerId())
1481             || (isCvfc(originComponent) && StringUtils
1482             .equals(fromInstanceId, reqAndRelationshipPair.getRequirementOwnerId())
1483             || StringUtils.equals(requirement.getOwnerId(), originComponent.getUniqueId()));
1484     }
1485
1486     private boolean isCvfc(Component component) {
1487         return component.getComponentType() == ComponentTypeEnum.RESOURCE &&
1488             ((Resource) component).getResourceType() == ResourceTypeEnum.CVFC;
1489     }
1490
1491     private Either<SubstitutionMapping, ToscaError> convertCapabilities(Component component,
1492                                                                         SubstitutionMapping substitutionMappings,
1493                                                                         Map<String, Component> componentCache) {
1494
1495         Either<SubstitutionMapping, ToscaError> result = Either.left(substitutionMappings);
1496         Either<Map<String, String[]>, ToscaError> toscaCapabilitiesRes = capabilityRequirementConverter
1497             .convertSubstitutionMappingCapabilities(componentCache, component);
1498         if (toscaCapabilitiesRes.isRight()) {
1499             result = Either.right(toscaCapabilitiesRes.right().value());
1500             log.debug("Failed convert capabilities for the component {}. ", component.getName());
1501         } else if (isNotEmpty(toscaCapabilitiesRes.left().value())) {
1502             substitutionMappings.setCapabilities(toscaCapabilitiesRes.left().value());
1503             log.debug("Finish convert capabilities for the component {}. ", component.getName());
1504         }
1505         log.debug("Finished to convert capabilities for the component {}. ", component.getName());
1506         return result;
1507     }
1508
1509     private Either<ToscaNodeType, ToscaError> convertCapabilities(Map<String, Component> componentsCache,
1510                                                                   Component component, ToscaNodeType nodeType,
1511                                                                   Map<String, DataTypeDefinition> dataTypes) {
1512         Map<String, ToscaCapability> toscaCapabilities = capabilityRequirementConverter
1513             .convertCapabilities(componentsCache, component,
1514                 dataTypes);
1515         if (!toscaCapabilities.isEmpty()) {
1516             nodeType.setCapabilities(toscaCapabilities);
1517         }
1518         log.debug("Finish convert Capabilities for node type");
1519
1520         return Either.left(nodeType);
1521     }
1522
1523     private Map<String, ToscaTemplateArtifact> convertToNodeTemplateArtifacts(
1524         Map<String, ToscaArtifactDataDefinition> artifacts) {
1525         if (artifacts == null) {
1526             return null;
1527         }
1528         Map<String, ToscaTemplateArtifact> arts = new HashMap<>();
1529         for (Map.Entry<String, ToscaArtifactDataDefinition> entry : artifacts.entrySet()) {
1530             ToscaTemplateArtifact artifact = new ToscaTemplateArtifact();
1531             artifact.setFile(entry.getValue().getFile());
1532             artifact.setType(entry.getValue().getType());
1533             arts.put(entry.getKey(), artifact);
1534         }
1535         return arts;
1536     }
1537
1538     protected NodeFilter convertToNodeTemplateNodeFilterComponent(CINodeFilterDataDefinition inNodeFilter) {
1539         if (inNodeFilter == null) {
1540             return null;
1541         }
1542         NodeFilter nodeFilter = new NodeFilter();
1543
1544         ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> origCapabilities =
1545             inNodeFilter.getCapabilities();
1546
1547         ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> origProperties = inNodeFilter.getProperties();
1548
1549         List<Map<String, CapabilityFilter>> capabilitiesCopy = new ArrayList<>();
1550         List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1551
1552         copyNodeFilterCapabilitiesTemplate(origCapabilities, capabilitiesCopy);
1553         copyNodeFilterProperties(origProperties, propertiesCopy);
1554
1555         if (CollectionUtils.isNotEmpty(capabilitiesCopy)) {
1556             nodeFilter.setCapabilities(capabilitiesCopy);
1557         }
1558
1559         if (CollectionUtils.isNotEmpty(propertiesCopy)) {
1560             nodeFilter.setProperties(propertiesCopy);
1561         }
1562
1563         nodeFilter.setTosca_id(cloneToscaId(inNodeFilter.getTosca_id()));
1564
1565         nodeFilter = (NodeFilter) cloneObjectFromYml(nodeFilter, NodeFilter.class);
1566
1567         return nodeFilter;
1568     }
1569
1570     private NodeFilter convertToSubstitutionFilterComponent(
1571         final SubstitutionFilterDataDefinition substitutionFilterDataDefinition) {
1572
1573         if (substitutionFilterDataDefinition == null) {
1574             return null;
1575         }
1576         NodeFilter nodeFilter = new NodeFilter();
1577
1578         ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> origProperties =
1579                 substitutionFilterDataDefinition.getProperties();
1580         List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1581
1582         copySubstitutionFilterProperties(origProperties, propertiesCopy);
1583
1584         if (CollectionUtils.isNotEmpty(propertiesCopy)) {
1585             nodeFilter.setProperties(propertiesCopy);
1586         }
1587         nodeFilter.setTosca_id(cloneToscaId(substitutionFilterDataDefinition.getTosca_id()));
1588
1589         return (NodeFilter) cloneObjectFromYml(nodeFilter, NodeFilter.class);
1590     }
1591
1592     private Object cloneToscaId(Object toscaId) {
1593         return Objects.isNull(toscaId) ? null
1594             : cloneObjectFromYml(toscaId, toscaId.getClass());
1595     }
1596
1597     private Object cloneObjectFromYml(Object objToClone, Class classOfObj) {
1598         String objectAsYml = yamlUtil.objectToYaml(objToClone);
1599         return yamlUtil.yamlToObject(objectAsYml, classOfObj);
1600     }
1601
1602     private void copyNodeFilterCapabilitiesTemplate(
1603         ListDataDefinition<RequirementNodeFilterCapabilityDataDefinition> origCapabilities,
1604         List<Map<String, CapabilityFilter>> capabilitiesCopy) {
1605         if (origCapabilities == null || origCapabilities.getListToscaDataDefinition() == null ||
1606             origCapabilities.getListToscaDataDefinition().isEmpty()) {
1607             return;
1608         }
1609         for (RequirementNodeFilterCapabilityDataDefinition capability : origCapabilities.getListToscaDataDefinition()) {
1610             Map<String, CapabilityFilter> capabilityFilterCopyMap = new HashMap<>();
1611             CapabilityFilter capabilityFilter = new CapabilityFilter();
1612             List<Map<String, List<Object>>> propertiesCopy = new ArrayList<>();
1613             copyNodeFilterProperties(capability.getProperties(), propertiesCopy);
1614             capabilityFilter.setProperties(propertiesCopy);
1615             capabilityFilterCopyMap.put(capability.getName(), capabilityFilter);
1616             capabilitiesCopy.add(capabilityFilterCopyMap);
1617         }
1618     }
1619
1620     private void copyNodeFilterProperties(
1621         ListDataDefinition<RequirementNodeFilterPropertyDataDefinition> origProperties,
1622         List<Map<String, List<Object>>> propertiesCopy) {
1623         if (origProperties == null || origProperties.getListToscaDataDefinition() == null ||
1624             origProperties.isEmpty()) {
1625             return;
1626         }
1627         Map<String, List<Object>> propertyMapCopy = new HashMap<>();
1628         for (RequirementNodeFilterPropertyDataDefinition propertyDataDefinition : origProperties
1629             .getListToscaDataDefinition()) {
1630             for (String propertyInfoEntry : propertyDataDefinition.getConstraints()) {
1631                 Map propertyValObj = new YamlUtil().yamlToObject(propertyInfoEntry, Map.class);
1632                 String propertyName = propertyDataDefinition.getName();
1633                 if (propertyMapCopy.containsKey(propertyName)) {
1634                     addPropertyConstraintValueToList(propertyName, propertyValObj, propertyMapCopy.get(propertyName));
1635                 } else {
1636                     if (propertyName != null) {
1637                         List propsList = new ArrayList();
1638                         addPropertyConstraintValueToList(propertyName, propertyValObj, propsList);
1639                         propertyMapCopy.put(propertyName, propsList);
1640                     } else {
1641                         propertyMapCopy.putAll(propertyValObj);
1642                     }
1643                 }
1644             }
1645         }
1646         propertyMapCopy.entrySet().stream().forEach(entry ->
1647             addCalculatedConstraintsIntoPropertiesList(propertiesCopy, entry));
1648     }
1649
1650     private void copySubstitutionFilterProperties(
1651         final ListDataDefinition<RequirementSubstitutionFilterPropertyDataDefinition> origProperties,
1652         final List<Map<String, List<Object>>> propertiesCopy) {
1653         if (origProperties == null || origProperties.getListToscaDataDefinition() == null ||
1654             origProperties.isEmpty()) {
1655             return;
1656         }
1657         final Map<String, List<Object>> propertyMapCopy = new HashMap<>();
1658         for (final RequirementSubstitutionFilterPropertyDataDefinition propertyDataDefinition : origProperties
1659             .getListToscaDataDefinition()) {
1660             for (final String propertyInfoEntry : propertyDataDefinition.getConstraints()) {
1661                 final Map<String, List<Object>> propertyValObj = new YamlUtil().yamlToObject(propertyInfoEntry, Map.class);
1662                 final String propertyName = propertyDataDefinition.getName();
1663                 if (propertyMapCopy.containsKey(propertyName)) {
1664                     addPropertyConstraintValueToList(propertyName, propertyValObj, propertyMapCopy.get(propertyName));
1665                 } else {
1666                     if (propertyName != null) {
1667                         final List<Object> propsList = new ArrayList();
1668                         addPropertyConstraintValueToList(propertyName, propertyValObj, propsList);
1669                         propertyMapCopy.put(propertyName, propsList);
1670                     } else {
1671                         propertyMapCopy.putAll(propertyValObj);
1672                     }
1673                 }
1674             }
1675         }
1676         propertyMapCopy.entrySet().forEach(entry ->
1677             addCalculatedConstraintsIntoPropertiesList(propertiesCopy, entry));
1678     }
1679
1680     private void addPropertyConstraintValueToList(String propertyName, Map propertyValObj, List propsList) {
1681         if (propertyValObj.containsKey(propertyName)) {
1682             propsList.add(propertyValObj.get(propertyName));
1683         } else {
1684             propsList.add(propertyValObj);
1685         }
1686     }
1687
1688     private void addCalculatedConstraintsIntoPropertiesList(List<Map<String, List<Object>>> propertiesCopy,
1689                                                             Entry<String, List<Object>> entry) {
1690         Map<String, List<Object>> tempMap = new HashMap<>();
1691         tempMap.put(entry.getKey(), entry.getValue());
1692         propertiesCopy.add(tempMap);
1693     }
1694
1695     private static class CustomRepresenter extends Representer {
1696
1697         CustomRepresenter() {
1698             super();
1699             this.representers.put(ToscaPropertyAssignment.class, new RepresentToscaPropertyAssignment());
1700             // null representer is exceptional and it is stored as an instance
1701             // variable.
1702             this.nullRepresenter = new RepresentNull();
1703
1704         }
1705
1706         private class RepresentToscaPropertyAssignment implements Represent {
1707             public Node representData(Object data) {
1708                 final ToscaPropertyAssignment toscaOperationAssignment = (ToscaPropertyAssignment) data;
1709                 if (toscaOperationAssignment.getValue() instanceof String) {
1710                     final String stringValue = (String) toscaOperationAssignment.getValue();
1711                     if (isPropertyOrAttributeFunction(stringValue)) {
1712                         return representGetAttribute(stringValue);
1713                     }
1714
1715                     return representScalar(Tag.STR, stringValue);
1716                 }
1717                 return represent(null);
1718             }
1719
1720             public Node representGetAttribute(final String getAttributeFunction) {
1721                 return represent(new Yaml().load(getAttributeFunction));
1722             }
1723
1724             public boolean isPropertyOrAttributeFunction(final String value) {
1725                 try {
1726                     final Yaml yaml = new Yaml();
1727                     final Object yamlObj = yaml.load(value);
1728                     if (!(yamlObj instanceof Map)) {
1729                         return false;
1730                     }
1731                     final Map<String, Object> getAttributeMap = (Map) yamlObj;
1732                     if (getAttributeMap.size() != 1) {
1733                         return false;
1734                     }
1735                     final List<String> functionList = Arrays
1736                         .asList(GET_ATTRIBUTE.getFunctionName(), GET_INPUT.getFunctionName(),
1737                             GET_PROPERTY.getFunctionName());
1738                     final Optional<String> function = getAttributeMap.keySet().stream()
1739                         .filter(key -> functionList.stream().anyMatch(function1 -> function1.equals(key))).findFirst();
1740
1741                     if (function.isEmpty()) {
1742                         return false;
1743                     }
1744                     final String functionName = function.get();
1745                     final Object getAttributeValueObj = getAttributeMap.get(functionName);
1746                     if (GET_INPUT.getFunctionName().equals(functionName)) {
1747                         return validateGetInputValue(getAttributeValueObj);
1748                     } else {
1749                         return validateGetPropertyOrAttributeValue(getAttributeValueObj);
1750                     }
1751                 } catch (final Exception ignored) {
1752                     return false;
1753                 }
1754             }
1755         }
1756
1757         public boolean validateGetInputValue(final Object valueObj) {
1758             if (!(valueObj instanceof List) && !(valueObj instanceof String)) {
1759                 return false;
1760             }
1761             if (valueObj instanceof List) {
1762                 return ((List) valueObj).size() > 1;
1763             }
1764
1765             return true;
1766         }
1767
1768         public boolean validateGetPropertyOrAttributeValue(final Object valueObj) {
1769             if (valueObj instanceof List) {
1770                 return ((List) valueObj).size() > 1;
1771             }
1772
1773             return false;
1774         }
1775
1776         @Override
1777         protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue,
1778                                                       Tag customTag) {
1779             if (propertyValue == null) {
1780                 return null;
1781             }
1782             // skip not relevant for Tosca property
1783             if ("dependencies".equals(property.getName())) {
1784                 return null;
1785             }
1786             if (javaBean instanceof ToscaRelationshipTemplate && "name".equals(property.getName())) {
1787                 return null;
1788             }
1789
1790             removeDefaultP(propertyValue);
1791             NodeTuple defaultNode = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
1792
1793             if (javaBean instanceof ToscaTopolgyTemplate && "relationshipTemplates".equals(property.getName())) {
1794                 return new NodeTuple(representData("relationship_templates"), defaultNode.getValueNode());
1795             }
1796
1797             return "_defaultp_".equals(property.getName())
1798                 ? new NodeTuple(representData("default"), defaultNode.getValueNode()) : defaultNode;
1799         }
1800
1801         private void removeDefaultP(final Object propertyValue) {
1802             if (propertyValue instanceof Map) {
1803                 final Map mapPropertyValue = ((Map) propertyValue);
1804
1805                 final Iterator<Entry> iter = mapPropertyValue.entrySet().iterator();
1806                 Object defaultValue = null;
1807                 while (iter.hasNext()) {
1808                     final Map.Entry entry = iter.next();
1809
1810                     if ("_defaultp_".equals(entry.getKey())) {
1811                         defaultValue = entry.getValue();
1812                         iter.remove();
1813                     } else if (entry.getValue() instanceof Map) {
1814                         removeDefaultP(entry.getValue());
1815                     }
1816                 }
1817                 if (defaultValue != null) {
1818                     mapPropertyValue.putIfAbsent("default", defaultValue);
1819                 }
1820             }
1821         }
1822
1823         @Override
1824         protected MappingNode representJavaBean(Set<Property> properties, Object javaBean) {
1825             // remove the bean type from the output yaml (!! ...)
1826             if (!classTags.containsKey(javaBean.getClass())) {
1827                 addClassTag(javaBean.getClass(), Tag.MAP);
1828             }
1829
1830             return super.representJavaBean(properties, javaBean);
1831         }
1832
1833         private class RepresentNull implements Represent {
1834
1835             @Override
1836             public Node representData(Object data) {
1837                 // possible values are here http://yaml.org/type/null.html
1838                 return representScalar(Tag.NULL, "");
1839             }
1840         }
1841     }
1842
1843     private static class UnsortedPropertyUtils extends PropertyUtils {
1844
1845         @Override
1846         protected Set<Property> createPropertySet(Class type, BeanAccess bAccess)
1847             throws IntrospectionException {
1848             Collection<Property> fields = getPropertiesMap(type, BeanAccess.FIELD).values();
1849             return new LinkedHashSet<>(fields);
1850         }
1851     }
1852
1853     private Object removeOperationsKeyFromInterface(Object interfaceInstanceDataDefinition) {
1854         ObjectMapper objectMapper = new ObjectMapper();
1855         objectMapper.configure(SerializationFeature.WRITE_NULL_MAP_VALUES, false);
1856
1857         Map<String, Object> interfaceAsMap = ServiceUtils.getObjectAsMap(interfaceInstanceDataDefinition);
1858         Map<String, Object> operations = (Map<String, Object>) interfaceAsMap.remove("operations");
1859         interfaceAsMap.remove("empty");
1860
1861         if (MapUtils.isNotEmpty(operations)) {
1862             interfaceAsMap.putAll(operations);
1863         }
1864
1865         Object interfaceObject = objectMapper.convertValue(interfaceAsMap, Object.class);
1866
1867         return interfaceObject;
1868
1869     }
1870
1871     private Map<String, String[]> buildSubstitutionMappingPropertyMapping(final Component component) {
1872         if (component == null || CollectionUtils.isEmpty(component.getInputs())) {
1873             return Collections.emptyMap();
1874         }
1875         return component.getInputs().stream()
1876             .map(PropertyDataDefinition::getName)
1877             .collect(
1878                 Collectors.toMap(
1879                     inputName -> inputName,
1880                     inputName -> new String[]{inputName},
1881                     (inputName1, inputName2) -> inputName1)
1882             );
1883     }
1884
1885     private Map<String, String[]> buildSubstitutionMappingAttributesMapping(final Component component) {
1886         if (component == null || CollectionUtils.isEmpty(component.getOutputs())) {
1887             return Collections.emptyMap();
1888         }
1889         return component.getOutputs().stream()
1890             .map(PropertyDataDefinition::getName)
1891             .collect(
1892                 Collectors.toMap(
1893                     outputName -> outputName,
1894                     outputName -> new String[]{outputName},
1895                     (outputName1, outputName2) -> outputName1)
1896             );
1897     }
1898
1899     Optional<Map<String, ToscaProperty>> getProxyNodeTypeProperties(Component proxyComponent,
1900                                                                     Map<String, DataTypeDefinition>
1901                                                                         dataTypes) {
1902         if (Objects.isNull(proxyComponent)) {
1903             return Optional.empty();
1904         }
1905         Map<String, ToscaProperty> proxyProperties = new HashMap<>();
1906         addInputsToProperties(dataTypes, proxyComponent.getInputs(), proxyProperties);
1907         if (CollectionUtils.isNotEmpty(proxyComponent.getProperties())) {
1908             proxyProperties.putAll(proxyComponent.getProperties().stream()
1909                 .map(propertyDefinition -> resolvePropertyValueFromInput(propertyDefinition,
1910                     proxyComponent.getInputs()))
1911                 .collect(Collectors.toMap(PropertyDataDefinition::getName,
1912                     property -> propertyConvertor.convertProperty(dataTypes, property,
1913                         PropertyConvertor.PropertyType.PROPERTY))));
1914         }
1915         return MapUtils.isNotEmpty(proxyProperties) ? Optional.of(proxyProperties) : Optional.empty();
1916     }
1917
1918     void addInputsToProperties(Map<String, DataTypeDefinition> dataTypes,
1919                                List<InputDefinition> componentInputs,
1920                                Map<String, ToscaProperty> mergedProperties) {
1921         if (CollectionUtils.isEmpty(componentInputs)) {
1922             return;
1923         }
1924         for (InputDefinition input : componentInputs) {
1925             ToscaProperty property = propertyConvertor.convertProperty(dataTypes, input,
1926                 PropertyConvertor.PropertyType.INPUT);
1927             mergedProperties.put(input.getName(), property);
1928         }
1929     }
1930
1931     Optional<Map<String, Object>> getProxyNodeTypeInterfaces(Component proxyComponent,
1932                                                              Map<String, DataTypeDefinition> dataTypes) {
1933         if (Objects.isNull(proxyComponent) || MapUtils.isEmpty(proxyComponent.getInterfaces())) {
1934             return Optional.empty();
1935         }
1936         Map<String, InterfaceDefinition> proxyComponentInterfaces = proxyComponent.getInterfaces();
1937         //Unset artifact path for operation implementation for proxy node types as for operations with artifacts it is
1938         // always available in the proxy node template
1939         removeOperationImplementationForProxyNodeType(proxyComponentInterfaces);
1940         return Optional.ofNullable(interfacesOperationsConverter
1941             .getInterfacesMap(proxyComponent, null, proxyComponentInterfaces, dataTypes,
1942                 false, false));
1943     }
1944
1945     private static void removeOperationImplementationForProxyNodeType(
1946         Map<String, InterfaceDefinition> proxyComponentInterfaces) {
1947         if (MapUtils.isEmpty(proxyComponentInterfaces)) {
1948             return;
1949         }
1950         proxyComponentInterfaces.values().stream().map(InterfaceDataDefinition::getOperations)
1951             .filter(MapUtils::isNotEmpty)
1952             .forEach(operations -> operations.values().forEach(operation -> operation.setImplementation(null)));
1953     }
1954 }