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 java.beans.IntrospectionException;
  24 import java.util.ArrayList;
  25 import java.util.Collection;
  26 import java.util.HashMap;
  27 import java.util.LinkedHashSet;
  28 import java.util.List;
  29 import java.util.Map;
  30 import java.util.Optional;
  31 import java.util.Set;
  32 import java.util.function.Supplier;
  33 import java.util.stream.Collectors;
  34
  35 import org.apache.commons.collections.CollectionUtils;
  36 import org.apache.commons.collections.MapUtils;
  37 import org.apache.commons.lang.StringUtils;
  38 import org.apache.commons.lang3.tuple.ImmutablePair;
  39 import org.apache.commons.lang3.tuple.ImmutableTriple;
  40 import org.apache.commons.lang3.tuple.Triple;
  41 import org.openecomp.sdc.be.config.ConfigurationManager;
  42 import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
  43 import org.openecomp.sdc.be.datatypes.components.ResourceMetadataDataDefinition;
  44 import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
  45 import org.openecomp.sdc.be.model.ArtifactDefinition;
  46 import org.openecomp.sdc.be.model.Component;
  47 import org.openecomp.sdc.be.model.ComponentInstance;
  48 import org.openecomp.sdc.be.model.ComponentInstanceInput;
  49 import org.openecomp.sdc.be.model.ComponentInstanceProperty;
  50 import org.openecomp.sdc.be.model.DataTypeDefinition;
  51 import org.openecomp.sdc.be.model.GroupDefinition;
  52 import org.openecomp.sdc.be.model.GroupInstance;
  53 import org.openecomp.sdc.be.model.GroupProperty;
  54 import org.openecomp.sdc.be.model.InputDefinition;
  55 import org.openecomp.sdc.be.model.PropertyDefinition;
  56 import org.openecomp.sdc.be.model.RequirementAndRelationshipPair;
  57 import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
  58 import org.openecomp.sdc.be.model.RequirementDefinition;
  59 import org.openecomp.sdc.be.model.Resource;
  60 import org.openecomp.sdc.be.model.Service;
  61 import org.openecomp.sdc.be.model.cache.ApplicationDataTypeCache;
  62 import org.openecomp.sdc.be.model.category.CategoryDefinition;
  63 import org.openecomp.sdc.be.model.jsontitan.operations.ToscaOperationFacade;
  64 import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
  65 import org.openecomp.sdc.be.model.tosca.converters.ToscaValueBaseConverter;
  66 import org.openecomp.sdc.be.tosca.model.IToscaMetadata;
  67 import org.openecomp.sdc.be.tosca.model.SubstitutionMapping;
  68 import org.openecomp.sdc.be.tosca.model.ToscaCapability;
  69 import org.openecomp.sdc.be.tosca.model.ToscaGroupTemplate;
  70 import org.openecomp.sdc.be.tosca.model.ToscaMetadata;
  71 import org.openecomp.sdc.be.tosca.model.ToscaNodeTemplate;
  72 import org.openecomp.sdc.be.tosca.model.ToscaNodeType;
  73 import org.openecomp.sdc.be.tosca.model.ToscaProperty;
  74 import org.openecomp.sdc.be.tosca.model.ToscaTemplate;
  75 import org.openecomp.sdc.be.tosca.model.ToscaTemplateRequirement;
  76 import org.openecomp.sdc.be.tosca.model.ToscaTopolgyTemplate;
  77 import org.openecomp.sdc.be.tosca.model.VfModuleToscaMetadata;
  78 import org.openecomp.sdc.common.api.Constants;
  79 import org.slf4j.Logger;
  80 import org.slf4j.LoggerFactory;
  81 import org.springframework.beans.factory.annotation.Autowired;
  82 import org.yaml.snakeyaml.DumperOptions;
  83 import org.yaml.snakeyaml.DumperOptions.FlowStyle;
  84 import org.yaml.snakeyaml.Yaml;
  85 import org.yaml.snakeyaml.introspector.BeanAccess;
  86 import org.yaml.snakeyaml.introspector.Property;
  87 import org.yaml.snakeyaml.introspector.PropertyUtils;
  88 import org.yaml.snakeyaml.nodes.MappingNode;
  89 import org.yaml.snakeyaml.nodes.Node;
  90 import org.yaml.snakeyaml.nodes.NodeTuple;
  91 import org.yaml.snakeyaml.nodes.Tag;
  92 import org.yaml.snakeyaml.representer.Represent;
  93 import org.yaml.snakeyaml.representer.Representer;
  94
  95 import fj.data.Either;
  96
  97 @org.springframework.stereotype.Component("tosca-export-handler")
  98 public class ToscaExportHandler {
  99
 100         @Autowired
 101         private ApplicationDataTypeCache dataTypeCache;
 102
 103         @Autowired
 104         private ToscaOperationFacade toscaOperationFacade;
 105
 106         private CapabiltyRequirementConvertor capabiltyRequirementConvertor = CapabiltyRequirementConvertor.getInstance();
 107         private PropertyConvertor propertyConvertor = PropertyConvertor.getInstance();
 108
 109
 110         private static Logger log = LoggerFactory.getLogger(ToscaExportHandler.class.getName());
 111
 112         public static final String TOSCA_VERSION = "tosca_simple_yaml_1_0";
 113         public static final String SERVICE_NODE_TYPE_PREFIX = "org.openecomp.service.";
 114         public static final String IMPORTS_FILE_KEY = "file";
 115         public static final String TOSCA_TEMPLATE_NAME = "-template.yml";
 116         public static final String TOSCA_INTERFACE_NAME = "-interface.yml";
 117         public static final String ASSET_TOSCA_TEMPLATE = "assettoscatemplate";
 118         public static final String VF_MODULE_TYPE_KEY = "vf_module_type";
 119         public static final String VF_MODULE_DESC_KEY = "vf_module_description";
 120         public static final String VOLUME_GROUP_KEY = "volume_group";
 121         public static final String VF_MODULE_TYPE_BASE = "Base";
 122         public static final String VF_MODULE_TYPE_EXPANSION = "Expansion";
 123         public static final List<Map<String, Map<String, String>>> DEFAULT_IMPORTS = ConfigurationManager.getConfigurationManager().getConfiguration().getDefaultImports();
 124
 125
 126
 127         public Either<ToscaRepresentation, ToscaError> exportComponent(Component component) {
 128
 129                 Either<ToscaTemplate, ToscaError> toscaTemplateRes = convertToToscaTemplate(component);
 130                 if (toscaTemplateRes.isRight()) {
 131                         return Either.right(toscaTemplateRes.right().value());
 132                 }
 133
 134                 ToscaTemplate toscaTemplate = toscaTemplateRes.left().value();
 135                 ToscaRepresentation toscaRepresentation = this.createToscaRepresentation(toscaTemplate);
 136                 return Either.left(toscaRepresentation);
 137         }
 138
 139         public Either<ToscaRepresentation, ToscaError> exportComponentInterface(Component component) {
 140                 if(null == DEFAULT_IMPORTS) {
 141                         log.debug("convertToToscaTemplate - failed to get Default Imports section from configuration");
 142                         return Either.right(ToscaError.GENERAL_ERROR);
 143                 }
 144
 145                 ToscaTemplate toscaTemplate = new ToscaTemplate(TOSCA_VERSION);
 146                 toscaTemplate.setImports(new ArrayList<>(DEFAULT_IMPORTS));
 147                 Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 148                 Either<ToscaTemplate, ToscaError> toscaTemplateRes = convertInterfaceNodeType(component, toscaTemplate, nodeTypes);
 149                 if (toscaTemplateRes.isRight()) {
 150                         return Either.right(toscaTemplateRes.right().value());
 151                 }
 152
 153                 toscaTemplate = toscaTemplateRes.left().value();
 154                 ToscaRepresentation toscaRepresentation = this.createToscaRepresentation(toscaTemplate);
 155                 return Either.left(toscaRepresentation);
 156         }
 157
 158         public ToscaRepresentation createToscaRepresentation(ToscaTemplate toscaTemplate) {
 159                 CustomRepresenter representer = new CustomRepresenter();
 160                 DumperOptions options = new DumperOptions();
 161                 options.setAllowReadOnlyProperties(false);
 162                 options.setPrettyFlow(true);
 163
 164                 options.setDefaultFlowStyle(FlowStyle.FLOW);
 165                 options.setCanonical(false);
 166
 167                 representer.addClassTag(toscaTemplate.getClass(), Tag.MAP);
 168
 169                 representer.setPropertyUtils(new UnsortedPropertyUtils());
 170                 Yaml yaml = new Yaml(representer, options);
 171
 172                 String yamlAsString = yaml.dumpAsMap(toscaTemplate);
 173
 174                 StringBuilder sb = new StringBuilder();
 175                 sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactHeader());
 176                 sb.append(yamlAsString);
 177                 sb.append(ConfigurationManager.getConfigurationManager().getConfiguration().getHeatEnvArtifactFooter());
 178
 179                 ToscaRepresentation toscaRepresentation = new ToscaRepresentation();
 180                 toscaRepresentation.setMainYaml(sb.toString());
 181                 toscaRepresentation.setDependencies(toscaTemplate.getDependencies());
 182
 183                 return toscaRepresentation;
 184         }
 185
 186         public Either<ToscaTemplate, ToscaError> getDependencies(Component component) {
 187                 ToscaTemplate toscaTemplate = new ToscaTemplate(null);
 188                 Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports = fillImports(component,
 189                                 toscaTemplate);
 190                 if (fillImports.isRight()) {
 191                         return Either.right(fillImports.right().value());
 192                 }
 193                 return Either.left(fillImports.left().value().left);
 194         }
 195
 196         private Either<ToscaTemplate, ToscaError> convertToToscaTemplate(Component component) {
 197                 if(null == DEFAULT_IMPORTS) {
 198                         log.debug("convertToToscaTemplate - failed to get Default Imports section from configuration");
 199                         return Either.right(ToscaError.GENERAL_ERROR);
 200                 }
 201
 202                 log.trace("start tosca export for {}", component.getUniqueId());
 203                 ToscaTemplate toscaTemplate = new ToscaTemplate(TOSCA_VERSION);
 204
 205                 toscaTemplate.setMetadata(convertMetadata(component));
 206                 toscaTemplate.setImports(new ArrayList<>(DEFAULT_IMPORTS));
 207                 Map<String, ToscaNodeType> nodeTypes = new HashMap<>();
 208                 if (ToscaUtils.isAtomicType(component)) {
 209                         log.trace("convert component as node type");
 210                         return convertNodeType(component, toscaTemplate, nodeTypes);
 211                 } else {
 212                         log.trace("convert component as topology template");
 213                         return convertToscaTemplate(component, toscaTemplate);
 214                 }
 215
 216         }
 217
 218         private Either<ToscaTemplate, ToscaError> convertToscaTemplate(Component component, ToscaTemplate toscaNode) {
 219
 220                 Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> importsRes = fillImports(component,
 221                                 toscaNode);
 222                 if (importsRes.isRight()) {
 223                         return Either.right(importsRes.right().value());
 224                 }
 225                 toscaNode = importsRes.left().value().left;
 226
 227                 Map<String, Component> componentCache = importsRes.left().value().right;
 228                 Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 229                 if (dataTypesEither.isRight()) {
 230                         log.debug("Failed to retrieve all data types {}", dataTypesEither.right().value());
 231                         return Either.right(ToscaError.GENERAL_ERROR);
 232                 }
 233                 Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 234
 235                 ToscaTopolgyTemplate topologyTemplate = new ToscaTopolgyTemplate();
 236
 237                 Either<ToscaTopolgyTemplate, ToscaError> inputs = fillInputs(component, topologyTemplate, dataTypes);
 238                 if (inputs.isRight()) {
 239                         return Either.right(inputs.right().value());
 240                 }
 241                 topologyTemplate = inputs.left().value();
 242
 243                 List<ComponentInstance> componentInstances = component.getComponentInstances();
 244                 Map<String, List<ComponentInstanceProperty>> componentInstancesProperties = component
 245                                 .getComponentInstancesProperties();
 246                 List<GroupDefinition> groups = component.getGroups();
 247                 if (componentInstances != null && !componentInstances.isEmpty()) {
 248
 249                         Either<Map<String, ToscaNodeTemplate>, ToscaError> nodeTemplates = convertNodeTemplates(component,
 250                                         componentInstances, componentInstancesProperties, componentCache, dataTypes, topologyTemplate);
 251                         if (nodeTemplates.isRight()) {
 252                                 return Either.right(nodeTemplates.right().value());
 253                         }
 254                         log.debug("node templates converted");
 255
 256                         topologyTemplate.setNode_templates(nodeTemplates.left().value());
 257                 }
 258                 Map<String, ToscaGroupTemplate> groupsMap = null;
 259                 if (groups != null && !groups.isEmpty()) {
 260                         groupsMap = new HashMap<String, ToscaGroupTemplate>();
 261                         for (GroupDefinition group : groups) {
 262                                 ToscaGroupTemplate toscaGroup = convertGroup(group);
 263                                 groupsMap.put(group.getName(), toscaGroup);
 264
 265                         }
 266                         log.debug("groups converted");
 267                         topologyTemplate.addGroups(groupsMap);
 268                 }
 269                 SubstitutionMapping substitutionMapping = new SubstitutionMapping();
 270                 String toscaResourceName = null;
 271                 switch (component.getComponentType()) {
 272                 case RESOURCE:
 273                         toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 274                                         .getMetadataDataDefinition()).getToscaResourceName();
 275                         break;
 276                 case SERVICE:
 277                         toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 278                                         + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 279                         break;
 280                 default:
 281                         log.debug("Not supported component type {}", component.getComponentType());
 282                         return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 283                 }
 284                 substitutionMapping.setNode_type(toscaResourceName);
 285
 286                 Either<SubstitutionMapping, ToscaError> capabilities = convertCapabilities(component, substitutionMapping,
 287                                 dataTypes);
 288                 if (capabilities.isRight()) {
 289                         return Either.right(capabilities.right().value());
 290                 }
 291                 substitutionMapping = capabilities.left().value();
 292
 293                 Either<SubstitutionMapping, ToscaError> requirements = capabiltyRequirementConvertor.convertSubstitutionMappingRequirements(component, substitutionMapping);
 294                 if (requirements.isRight()) {
 295                         return Either.right(requirements.right().value());
 296                 }
 297                 substitutionMapping = requirements.left().value();
 298
 299                 topologyTemplate.setSubstitution_mappings(substitutionMapping);
 300
 301                 toscaNode.setTopology_template(topologyTemplate);
 302                 return Either.left(toscaNode);
 303         }
 304
 305         private Either<ToscaTopolgyTemplate, ToscaError> fillInputs(Component component,
 306                         ToscaTopolgyTemplate topologyTemplate, Map<String, DataTypeDefinition> dataTypes) {
 307                 if (log.isDebugEnabled())
 308                         log.debug("fillInputs for component {}", component.getUniqueId());
 309                 List<InputDefinition> inputDef = component.getInputs();
 310                 Map<String, ToscaProperty> inputs = new HashMap<>();
 311
 312                 if (inputDef != null) {
 313                         inputDef.forEach(i -> {
 314                                 ToscaProperty property = propertyConvertor.convertProperty(dataTypes, i, false);
 315                                 inputs.put(i.getName(), property);
 316                         });
 317                         if (!inputs.isEmpty()) {
 318                                 topologyTemplate.setInputs(inputs);
 319                         }
 320                 }
 321                 return Either.left(topologyTemplate);
 322         }
 323
 324         private ToscaMetadata convertMetadata(Component component) {
 325                 return convertMetadata(component, false, null);
 326         }
 327
 328         private ToscaMetadata convertMetadata(Component component, boolean isInstance,
 329                         ComponentInstance componentInstance) {
 330                 ToscaMetadata toscaMetadata = new ToscaMetadata();
 331                 toscaMetadata.setName(component.getComponentMetadataDefinition().getMetadataDataDefinition().getName());
 332                 toscaMetadata.setInvariantUUID(component.getInvariantUUID());
 333                 toscaMetadata.setUUID(component.getUUID());
 334                 toscaMetadata.setDescription(component.getDescription());
 335
 336                 List<CategoryDefinition> categories = component.getCategories();
 337                 CategoryDefinition categoryDefinition = categories.get(0);
 338                 toscaMetadata.setCategory(categoryDefinition.getName());
 339
 340                 if (isInstance) {
 341                         toscaMetadata.setVersion(component.getVersion());
 342                         toscaMetadata.setCustomizationUUID(componentInstance.getCustomizationUUID());
 343                 }
 344                 switch (component.getComponentType()) {
 345                 case RESOURCE:
 346                         Resource resource = (Resource) component;
 347                         toscaMetadata.setType(resource.getResourceType().name());
 348                         toscaMetadata.setSubcategory(categoryDefinition.getSubcategories().get(0).getName());
 349                         toscaMetadata.setResourceVendor(resource.getVendorName());
 350                         toscaMetadata.setResourceVendorRelease(resource.getVendorRelease());
 351
 352                         break;
 353                 case SERVICE:
 354                         toscaMetadata.setType(component.getComponentType().getValue());
 355                         if (!isInstance) {
 356                                 // DE268546
 357                                 toscaMetadata.setServiceEcompNaming(((Service)component).isEcompGeneratedNaming());
 358                                 toscaMetadata.setEcompGeneratedNaming(((Service)component).isEcompGeneratedNaming());
 359                                 toscaMetadata.setNamingPolicy(((Service)component).getNamingPolicy());
 360                         }
 361                         break;
 362                 default:
 363                         log.debug("Not supported component type {}", component.getComponentType());
 364                 }
 365                 return toscaMetadata;
 366         }
 367
 368         private Either<ImmutablePair<ToscaTemplate, Map<String, Component>>, ToscaError> fillImports(Component component,
 369                         ToscaTemplate toscaTemplate) {
 370
 371                 if(null == DEFAULT_IMPORTS) {
 372                         log.debug("convertToToscaTemplate - failed to get Default Imports section from configuration");
 373                         return Either.right(ToscaError.GENERAL_ERROR);
 374                 }
 375
 376                 Map<String, Component> componentCache = new HashMap<>();
 377
 378                 if (!ToscaUtils.isAtomicType(component)) {
 379                         List<ComponentInstance> componentInstances = component.getComponentInstances();
 380                         if (componentInstances != null && !componentInstances.isEmpty()) {
 381
 382                                 List<Map<String, Map<String, String>>> additionalImports =
 383                                                 toscaTemplate.getImports() == null ? new ArrayList<>(DEFAULT_IMPORTS) : new ArrayList<>(toscaTemplate.getImports());
 384
 385                                 List<Triple<String, String, Component>> dependecies = new ArrayList<>();
 386
 387                                 Map<String, ArtifactDefinition> toscaArtifacts = component.getToscaArtifacts();
 388                                 ArtifactDefinition artifactDefinition = toscaArtifacts.get(ToscaExportHandler.ASSET_TOSCA_TEMPLATE);
 389
 390                                 Map<String, Map<String, String>> importsListMember = new HashMap<>();
 391                                 Map<String, String> interfaceFiles = new HashMap<>();
 392                                 interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactDefinition.getArtifactName()));
 393                                 StringBuilder keyNameBuilder = new StringBuilder();
 394                                 keyNameBuilder.append(component.getComponentType().toString().toLowerCase());
 395                                 keyNameBuilder.append("-");
 396                                 keyNameBuilder.append(component.getName());
 397                                 keyNameBuilder.append("-interface");
 398                                 importsListMember.put(keyNameBuilder.toString(), interfaceFiles);
 399                                 additionalImports.add(importsListMember);
 400
 401                                 componentInstances.forEach(ci -> {
 402                                         createDependency(componentCache, additionalImports, dependecies, ci);
 403                                 });
 404                                 toscaTemplate.setDependencies(dependecies);
 405                                 toscaTemplate.setImports(additionalImports);
 406                         }
 407                 } else {
 408                         log.debug("currently imports supported for VF and service only");
 409                 }
 410                 return Either.left(new ImmutablePair<ToscaTemplate, Map<String, Component>>(toscaTemplate, componentCache));
 411         }
 412
 413         private void createDependency(Map<String, Component> componentCache, List<Map<String, Map<String, String>>> imports,
 414                         List<Triple<String, String, Component>> dependecies, ComponentInstance ci) {
 415                 Map<String, String> files = new HashMap<>();
 416                 Map<String, Map<String, String>> importsListMember = new HashMap<>();
 417                 StringBuilder keyNameBuilder;
 418
 419                 Component componentRI = componentCache.get(ci.getComponentUid());
 420                 if (componentRI == null) {
 421                         // all resource must be only once!
 422                         Either<Component, StorageOperationStatus> resource = toscaOperationFacade.getToscaFullElement(ci.getComponentUid());
 423                         if (resource.isRight()) {
 424                                 log.debug("Failed to fetch resource with id {} for instance {}");
 425                         }
 426                         Component fetchedComponent = resource.left().value();
 427                         componentCache.put(fetchedComponent.getUniqueId(), fetchedComponent);
 428                         componentRI = fetchedComponent;
 429
 430                         Map<String, ArtifactDefinition> toscaArtifacts = componentRI.getToscaArtifacts();
 431                         ArtifactDefinition artifactDefinition = toscaArtifacts.get(ASSET_TOSCA_TEMPLATE);
 432                         if (artifactDefinition != null) {
 433                                 String artifactName = artifactDefinition.getArtifactName();
 434                                 files.put(IMPORTS_FILE_KEY, artifactName);
 435                                 keyNameBuilder = new StringBuilder();
 436                                 keyNameBuilder.append(fetchedComponent.getComponentType().toString().toLowerCase());
 437                                 keyNameBuilder.append("-");
 438                                 keyNameBuilder.append(ci.getComponentName());
 439                                 importsListMember.put(keyNameBuilder.toString(), files);
 440                                 imports.add(importsListMember);
 441                                 dependecies.add(new ImmutableTriple<String, String, Component>(artifactName,
 442                                                 artifactDefinition.getEsId(), fetchedComponent));
 443
 444                                 if(!ToscaUtils.isAtomicType(componentRI)) {
 445                                         importsListMember = new HashMap<>();
 446                                         Map<String, String> interfaceFiles = new HashMap<>();
 447                                         interfaceFiles.put(IMPORTS_FILE_KEY, getInterfaceFilename(artifactName));
 448                                         keyNameBuilder.append("-interface");
 449                                         importsListMember.put(keyNameBuilder.toString(), interfaceFiles);
 450                                         imports.add(importsListMember);
 451                                 }
 452                         }
 453                 }
 454         }
 455
 456         public static String getInterfaceFilename(String artifactName) {
 457                 String interfaceFileName = artifactName.substring(0, artifactName.lastIndexOf('.')) + ToscaExportHandler.TOSCA_INTERFACE_NAME;
 458                 return interfaceFileName;
 459         }
 460
 461         private Either<ToscaTemplate, ToscaError> convertNodeType(Component component, ToscaTemplate toscaNode,
 462                         Map<String, ToscaNodeType> nodeTypes) {
 463                 log.debug("start convert node type for {}", component.getUniqueId());
 464                 ToscaNodeType toscaNodeType = createNodeType(component);
 465
 466                 Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 467                 if (dataTypesEither.isRight()) {
 468                         log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 469                         return Either.right(ToscaError.GENERAL_ERROR);
 470                 }
 471
 472                 Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 473                 Either<ToscaNodeType, ToscaError> properties = propertyConvertor.convertProperties(component, toscaNodeType,
 474                                 dataTypes);
 475                 if (properties.isRight()) {
 476                         return Either.right(properties.right().value());
 477                 }
 478                 toscaNodeType = properties.left().value();
 479                 log.debug("Properties converted for {}", component.getUniqueId());
 480
 481                 //Extracted to method for code reuse
 482                 return convertReqCapAndTypeName(component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 483         }
 484
 485         private Either<ToscaTemplate, ToscaError> convertInterfaceNodeType(Component component, ToscaTemplate toscaNode,
 486                         Map<String, ToscaNodeType> nodeTypes) {
 487                 log.debug("start convert node type for {}", component.getUniqueId());
 488                 ToscaNodeType toscaNodeType = createNodeType(component);
 489
 490                 Either<Map<String, DataTypeDefinition>, TitanOperationStatus> dataTypesEither = dataTypeCache.getAll();
 491                 if (dataTypesEither.isRight()) {
 492                         log.debug("Failed to fetch all data types :", dataTypesEither.right().value());
 493                         return Either.right(ToscaError.GENERAL_ERROR);
 494                 }
 495
 496                 Map<String, DataTypeDefinition> dataTypes = dataTypesEither.left().value();
 497
 498                 List<InputDefinition> inputDef = component.getInputs();
 499                 Map<String, ToscaProperty> inputs = new HashMap<>();
 500
 501                 if (inputDef != null) {
 502                         inputDef.forEach(i -> {
 503                                 ToscaProperty property = propertyConvertor.convertProperty(dataTypes, i, false);
 504                                 inputs.put(i.getName(), property);
 505                         });
 506                         if (!inputs.isEmpty()) {
 507                                 toscaNodeType.setProperties(inputs);
 508                         }
 509                 }
 510
 511                 //Extracted to method for code reuse
 512                 return convertReqCapAndTypeName(component, toscaNode, nodeTypes, toscaNodeType, dataTypes);
 513         }
 514
 515         private Either<ToscaTemplate, ToscaError> convertReqCapAndTypeName(Component component, ToscaTemplate toscaNode,
 516                         Map<String, ToscaNodeType> nodeTypes, ToscaNodeType toscaNodeType,
 517                         Map<String, DataTypeDefinition> dataTypes) {
 518                 Either<ToscaNodeType, ToscaError> capabilities = convertCapabilities(component, toscaNodeType, dataTypes);
 519                 if (capabilities.isRight()) {
 520                         return Either.right(capabilities.right().value());
 521                 }
 522                 toscaNodeType = capabilities.left().value();
 523                 log.debug("Capabilities converted for {}", component.getUniqueId());
 524
 525                 Either<ToscaNodeType, ToscaError> requirements = capabiltyRequirementConvertor.convertRequirements(component,
 526                                 toscaNodeType);
 527                 if (requirements.isRight()) {
 528                         return Either.right(requirements.right().value());
 529                 }
 530                 toscaNodeType = requirements.left().value();
 531                 log.debug("Requirements converted for {}", component.getUniqueId());
 532
 533
 534                 String toscaResourceName;
 535                 switch (component.getComponentType()) {
 536                 case RESOURCE:
 537                         toscaResourceName = ((ResourceMetadataDataDefinition) component.getComponentMetadataDefinition()
 538                                         .getMetadataDataDefinition()).getToscaResourceName();
 539                         break;
 540                 case SERVICE:
 541                         toscaResourceName = SERVICE_NODE_TYPE_PREFIX
 542                                         + component.getComponentMetadataDefinition().getMetadataDataDefinition().getSystemName();
 543                         break;
 544                 default:
 545                         log.debug("Not supported component type {}", component.getComponentType());
 546                         return Either.right(ToscaError.NOT_SUPPORTED_TOSCA_TYPE);
 547                 }
 548
 549                 nodeTypes.put(toscaResourceName, toscaNodeType);
 550                 toscaNode.setNode_types(nodeTypes);
 551                 log.debug("finish convert node type for {}", component.getUniqueId());
 552                 return Either.left(toscaNode);
 553         }
 554
 555         private Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplates(Component component,
 556                         List<ComponentInstance> componentInstances,
 557                         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 558                         Map<String, Component> componentCache, Map<String, DataTypeDefinition> dataTypes,
 559                         ToscaTopolgyTemplate topologyTemplate) {
 560
 561                 Either<Map<String, ToscaNodeTemplate>, ToscaError> convertNodeTemplatesRes = null;
 562                 log.debug("start convert topology template for {} for type {}", component.getUniqueId(),
 563                                 component.getComponentType());
 564                 Map<String, ToscaNodeTemplate> nodeTemplates = new HashMap<>();
 565                 Map<String, List<ComponentInstanceInput>> componentInstancesInputs = component.getComponentInstancesInputs();
 566
 567                 Map<String, ToscaGroupTemplate> groupsMap = null;
 568                 for (ComponentInstance componentInstance : componentInstances) {
 569                         ToscaNodeTemplate nodeTemplate = new ToscaNodeTemplate();
 570                         nodeTemplate.setType(componentInstance.getToscaComponentName());
 571
 572                         Either<ToscaNodeTemplate, ToscaError> requirements = convertComponentInstanceRequirements(component,
 573                                         componentInstance, component.getComponentInstancesRelations(), nodeTemplate);
 574                         if (requirements.isRight()) {
 575                                 convertNodeTemplatesRes = Either.right(requirements.right().value());
 576                                 break;
 577                         }
 578                         String instanceUniqueId = componentInstance.getUniqueId();
 579                         log.debug("Component instance Requirements converted for instance {}", instanceUniqueId);
 580
 581                         nodeTemplate = requirements.left().value();
 582
 583                         Component componentOfInstance = componentCache.get(componentInstance.getComponentUid());
 584                         nodeTemplate.setMetadata(convertMetadata(componentOfInstance, true, componentInstance));
 585
 586                         Either<ToscaNodeTemplate, ToscaError> capabilties = capabiltyRequirementConvertor
 587                                         .convertComponentInstanceCapabilties(componentInstance, dataTypes, nodeTemplate);
 588                         if (capabilties.isRight()) {
 589                                 convertNodeTemplatesRes = Either.right(requirements.right().value());
 590                                 break;
 591                         }
 592                         log.debug("Component instance Capabilties converted for instance {}", instanceUniqueId);
 593
 594                         nodeTemplate = capabilties.left().value();
 595                         Map<String, Object> props = new HashMap<>();
 596
 597                         if (componentOfInstance.getComponentType() == ComponentTypeEnum.RESOURCE) {
 598                                 // Adds the properties of parent component to map
 599                                 addPropertiesOfParentComponent(dataTypes, componentInstance, componentOfInstance, props);
 600                         }
 601
 602                         if (null != componentInstancesProperties && componentInstancesProperties.containsKey(instanceUniqueId)) {
 603                                 addPropertiesOfComponentInstance(componentInstancesProperties, dataTypes, componentInstance,
 604                                                 instanceUniqueId, props);
 605                         }
 606
 607                         if (componentInstancesInputs != null && componentInstancesInputs.containsKey(instanceUniqueId)) {
 608                                 addComponentInstanceInputs(dataTypes, componentInstancesInputs, componentInstance, instanceUniqueId,
 609                                                 props);
 610                         }
 611                         if (props != null && !props.isEmpty()) {
 612                                 nodeTemplate.setProperties(props);
 613                         }
 614
 615                         List<GroupInstance> groupInstances = componentInstance.getGroupInstances();
 616                         if (groupInstances != null) {
 617                                 if (groupsMap == null) {
 618                                         groupsMap = new HashMap<>();
 619                                 }
 620                                 for (GroupInstance groupInst : groupInstances) {
 621                                         ToscaGroupTemplate toscaGroup = convertGroupInstance(groupInst);
 622
 623                                         groupsMap.put(groupInst.getName(), toscaGroup);
 624                                 }
 625                         }
 626
 627                         nodeTemplates.put(componentInstance.getName(), nodeTemplate);
 628                 }
 629                 if (groupsMap != null) {
 630                         log.debug("instance groups added");
 631                         topologyTemplate.addGroups(groupsMap);
 632                 }
 633
 634                 if (convertNodeTemplatesRes == null) {
 635                         convertNodeTemplatesRes = Either.left(nodeTemplates);
 636                 }
 637                 log.debug("finish convert topology template for {} for type {}", component.getUniqueId(),
 638                                 component.getComponentType());
 639                 return convertNodeTemplatesRes;
 640         }
 641
 642         private void addComponentInstanceInputs(Map<String, DataTypeDefinition> dataTypes,
 643                         Map<String, List<ComponentInstanceInput>> componentInstancesInputs, ComponentInstance componentInstance,
 644                         String instanceUniqueId, Map<String, Object> props) {
 645
 646                 List<ComponentInstanceInput> instanceInputsList = componentInstancesInputs.get(instanceUniqueId);
 647                 if (instanceInputsList != null) {
 648                         instanceInputsList.forEach(input -> {
 649                                 Supplier<String> supplier = () -> input.getValue();
 650                                 convertAndAddValue(dataTypes, componentInstance, props, input, supplier);
 651                         });
 652                 }
 653         }
 654
 655         private void addPropertiesOfComponentInstance(
 656                         Map<String, List<ComponentInstanceProperty>> componentInstancesProperties,
 657                         Map<String, DataTypeDefinition> dataTypes, ComponentInstance componentInstance, String instanceUniqueId,
 658                         Map<String, Object> props) {
 659
 660                 if (!MapUtils.isEmpty(componentInstancesProperties)) {
 661                         componentInstancesProperties.get(instanceUniqueId).stream()
 662                                         // Filters out properties with empty ValueUniqueUid
 663                                         .filter(e -> e.getValue() != null && !e.getValue().isEmpty() )
 664                                         // Collects filtered properties to List
 665                                         .collect(Collectors.toList()).stream()
 666                                         // Converts and adds each value to property map
 667                                         .forEach(prop -> convertAndAddValue(dataTypes, componentInstance, props, prop,
 668                                                         () -> prop.getValue()));
 669                 }
 670         }
 671
 672         private void addPropertiesOfParentComponent(Map<String, DataTypeDefinition> dataTypes,
 673                         ComponentInstance componentInstance, Component componentOfInstance, Map<String, Object> props) {
 674
 675                 List<PropertyDefinition> componentProperties = ((Resource) componentOfInstance).getProperties();
 676                 if (!CollectionUtils.isEmpty(componentProperties)) {
 677                         componentProperties.stream()
 678                                         // Filters out properties with empty default values
 679                                         .filter(prop -> !StringUtils.isEmpty(prop.getDefaultValue()))
 680                                         // Collects filtered properties to List
 681                                         .collect(Collectors.toList()).stream()
 682                                         // Converts and adds each value to property map
 683                                         .forEach(prop -> convertAndAddValue(dataTypes, componentInstance, props, prop,
 684                                                         () -> prop.getDefaultValue()));
 685                 }
 686         }
 687
 688         /**
 689          * @param dataTypes
 690          * @param componentInstance
 691          * @param props
 692          * @param prop
 693          * @param supplier
 694          */
 695         private void convertAndAddValue(Map<String, DataTypeDefinition> dataTypes, ComponentInstance componentInstance,
 696                         Map<String, Object> props, PropertyDefinition prop, Supplier<String> supplier) {
 697                 Object convertedValue = convertValue(dataTypes, componentInstance, prop, supplier);
 698                 if (!ToscaValueBaseConverter.isEmptyObjectValue(convertedValue)) {
 699                         props.put(prop.getName(), convertedValue);
 700                 }
 701         }
 702
 703         private <T extends PropertyDefinition> Object convertValue(Map<String, DataTypeDefinition> dataTypes,
 704                         ComponentInstance componentInstance, T input, Supplier<String> supplier) {
 705                 log.debug("Convert property or input value {} for instance {}", input.getName(),
 706                                 componentInstance.getUniqueId());
 707                 String propertyType = input.getType();
 708                 String innerType = null;
 709                 if (input.getSchema() != null && input.getSchema().getProperty() != null) {
 710                         innerType = input.getSchema().getProperty().getType();
 711                 }
 712                 return propertyConvertor.convertToToscaObject(propertyType, supplier.get(), innerType, dataTypes);
 713         }
 714
 715         private ToscaGroupTemplate convertGroup(GroupDefinition group) {
 716                 ToscaGroupTemplate toscaGroup = new ToscaGroupTemplate();
 717                 Map<String, String> members = group.getMembers();
 718                 if (members != null)
 719                         toscaGroup.setMembers(new ArrayList<String>(members.keySet()));
 720
 721                 Supplier<String> supplGroupType = () -> group.getType();
 722                 Supplier<String> supplDescription = () -> group.getDescription();
 723                 Supplier<List<? extends GroupProperty>> supplProperties = () -> group.convertToGroupProperties();
 724                 Supplier<String> supplgroupName = () -> group.getName();
 725                 Supplier<String> supplInvariantUUID = () -> group.getInvariantUUID();
 726                 Supplier<String> supplGroupUUID = () -> group.getGroupUUID();
 727                 Supplier<String> supplVersion = () -> group.getVersion();
 728
 729                 IToscaMetadata toscaMetadata = fillGroup(toscaGroup, supplProperties, supplDescription, supplgroupName,
 730                                 supplInvariantUUID, supplGroupUUID, supplVersion, supplGroupType);
 731                 toscaGroup.setMetadata(toscaMetadata);
 732                 return toscaGroup;
 733         }
 734
 735         private ToscaGroupTemplate convertGroupInstance(GroupInstance groupInstance) {
 736                 ToscaGroupTemplate toscaGroup = new ToscaGroupTemplate();
 737
 738                 Supplier<String> supplGroupType = () -> groupInstance.getType();
 739                 Supplier<String> supplDescription = () -> groupInstance.getDescription();
 740                 Supplier<List<? extends GroupProperty>> supplProperties = () -> groupInstance.convertToGroupInstancesProperties();
 741                 Supplier<String> supplgroupName = () -> groupInstance.getGroupName();
 742                 Supplier<String> supplInvariantUUID = () -> groupInstance.getInvariantUUID();
 743                 Supplier<String> supplGroupUUID = () -> groupInstance.getGroupUUID();
 744                 Supplier<String> supplVersion = () -> groupInstance.getVersion();
 745
 746                 IToscaMetadata toscaMetadata = fillGroup(toscaGroup, supplProperties, supplDescription, supplgroupName,
 747                                 supplInvariantUUID, supplGroupUUID, supplVersion, supplGroupType);
 748
 749                 toscaMetadata.setCustomizationUUID(groupInstance.getCustomizationUUID());
 750                 toscaGroup.setMetadata(toscaMetadata);
 751                 return toscaGroup;
 752         }
 753
 754         private IToscaMetadata fillGroup(ToscaGroupTemplate toscaGroup, Supplier<List<? extends GroupProperty>> props,
 755                         Supplier<String> description, Supplier<String> groupName, Supplier<String> invariantUUID,
 756                         Supplier<String> groupUUID, Supplier<String> version, Supplier<String> groupType) {
 757                 boolean isVfModule = groupType.get().equals(Constants.DEFAULT_GROUP_VF_MODULE) ? true : false;
 758                 toscaGroup.setType(groupType.get());
 759
 760                 IToscaMetadata toscaMetadata;
 761                 if (!isVfModule) {
 762                         toscaMetadata = new ToscaMetadata();
 763                 } else {
 764                         toscaMetadata = new VfModuleToscaMetadata();
 765
 766                         Map<String, Object> properties = fillGroupProperties(props.get());
 767
 768                         properties.put(VF_MODULE_DESC_KEY, description.get());
 769                         toscaGroup.setProperties(properties);
 770                 }
 771                 toscaMetadata.setName(groupName.get());
 772                 toscaMetadata.setInvariantUUID(invariantUUID.get());
 773                 toscaMetadata.setUUID(groupUUID.get());
 774                 toscaMetadata.setVersion(version.get());
 775                 return toscaMetadata;
 776         }
 777
 778         private Map<String, Object> fillGroupProperties(List<? extends GroupProperty> groupProps) {
 779                 Map<String, Object> properties = new HashMap<>();
 780                 if(groupProps != null){
 781                         for (GroupProperty gp : groupProps) {
 782                                 if (gp.getName().equals(Constants.IS_BASE)) {
 783                                         Boolean isBase = Boolean.parseBoolean(gp.getValue());
 784                                         String type = isBase ? VF_MODULE_TYPE_BASE : VF_MODULE_TYPE_EXPANSION;
 785                                         properties.put(VF_MODULE_TYPE_KEY, type);
 786                                 } else {
 787                                         Object value = null;
 788                                         String type = gp.getType();
 789
 790                                         switch (type) {
 791                                         case "integer":
 792                                                 if (gp.getValue() != null) {
 793                                                         value = Integer.valueOf(gp.getValue());
 794                                                 }
 795                                                 break;
 796                                         case "boolean":
 797                                                 if (gp.getValue() != null) {
 798                                                         value = Boolean.valueOf(gp.getValue());
 799                                                 }
 800                                                 break;
 801
 802                                         default:
 803                                                 value = gp.getValue();
 804                                                 break;
 805                                         }
 806                                         properties.put(gp.getName(), value);
 807                                 }
 808                         }
 809                 }
 810                 return properties;
 811         }
 812
 813         private ToscaNodeType createNodeType(Component component) {
 814                 ToscaNodeType toscaNodeType = new ToscaNodeType();
 815                 if (ToscaUtils.isAtomicType(component)){
 816                         if (((Resource) component).getDerivedFrom() != null){
 817                                 toscaNodeType.setDerived_from(((Resource) component).getDerivedFrom().get(0));
 818                         }
 819                         toscaNodeType.setDescription(component.getDescription()); // or name??
 820                 } else {
 821                         String derivedFrom = null != component.getDerivedFromGenericType()? component.getDerivedFromGenericType() : "tosca.nodes.Root";
 822                         toscaNodeType.setDerived_from(derivedFrom);
 823                 }
 824                 return toscaNodeType;
 825         }
 826
 827         private Either<ToscaNodeTemplate, ToscaError> convertComponentInstanceRequirements(Component component,
 828                         ComponentInstance componentInstance, List<RequirementCapabilityRelDef> relations,
 829                         ToscaNodeTemplate nodeTypeTemplate) {
 830
 831                 List<ComponentInstance> instancesList = component.getComponentInstances();
 832                 List<Map<String, ToscaTemplateRequirement>> toscaRequirements = new ArrayList<>();
 833                 Map<String, List<RequirementDefinition>> reqMap = componentInstance.getRequirements();
 834
 835                 relations.stream().filter(p -> componentInstance.getUniqueId().equals(p.getFromNode())).forEach(req -> {
 836                         ComponentInstance toComponentInstance = instancesList.stream()
 837                                         .filter(i -> req.getToNode().equals(i.getUniqueId())).findFirst().orElse(null);
 838                         if (toComponentInstance == null) {
 839                                 log.debug("Faild to create relation between node {} to node {}", componentInstance.getName(),
 840                                                 req.getToNode());
 841                                 return;
 842
 843                         }
 844                         RequirementAndRelationshipPair reqAndRelationshopPair = req.getRelationships().get(0);
 845                         ToscaTemplateRequirement toscaRequirement = new ToscaTemplateRequirement();
 846                         toscaRequirement.setRelationship(reqAndRelationshopPair.getRelationship().getType());
 847                         toscaRequirement.setNode(toComponentInstance.getName());
 848                         Optional<RequirementDefinition> findAny = reqMap.values().stream().flatMap(e -> e.stream())
 849                                         .filter(e -> e.getName().equals(reqAndRelationshopPair.getRequirement())).findAny();
 850                         if (findAny.isPresent()) {
 851                                 RequirementDefinition regDefinition = findAny.get();
 852                                 toscaRequirement.setCapability(regDefinition.getCapability());
 853                         } else {
 854                                 log.debug("Faild to find relation between node {} to node {}", componentInstance.getName(),
 855                                                 req.getToNode());
 856                                 return;
 857                         }
 858                         Map<String, ToscaTemplateRequirement> reqmap = new HashMap<String, ToscaTemplateRequirement>();
 859                         reqmap.put(reqAndRelationshopPair.getRequirement(), toscaRequirement);
 860                         toscaRequirements.add(reqmap);
 861
 862                 });
 863
 864                 if (!toscaRequirements.isEmpty()) {
 865                         nodeTypeTemplate.setRequirements(toscaRequirements);
 866                 }
 867                 log.debug("Finish convert Requirements for node type");
 868                 return Either.left(nodeTypeTemplate);
 869         }
 870
 871         private Either<SubstitutionMapping, ToscaError> convertCapabilities(Component component, SubstitutionMapping substitutionMapping, Map<String, DataTypeDefinition> dataTypes) {
 872                 Map<String, String[]> toscaCapabilities = capabiltyRequirementConvertor.convertSubstitutionMappingCapabilities(component, dataTypes);
 873
 874                 if (!toscaCapabilities.isEmpty()) {
 875                         substitutionMapping.setCapabilities(toscaCapabilities);
 876                 }
 877                 log.debug("Finish convert Capabilities for node type");
 878
 879                 return Either.left(substitutionMapping);
 880         }
 881
 882         private Either<ToscaNodeType, ToscaError> convertCapabilities(Component component, ToscaNodeType nodeType,
 883                         Map<String, DataTypeDefinition> dataTypes) {
 884                 Map<String, ToscaCapability> toscaCapabilities = capabiltyRequirementConvertor.convertCapabilities(component,
 885                                 dataTypes);
 886                 if (!toscaCapabilities.isEmpty()) {
 887                         nodeType.setCapabilities(toscaCapabilities);
 888                 }
 889                 log.debug("Finish convert Capabilities for node type");
 890
 891                 return Either.left(nodeType);
 892         }
 893
 894         private static class CustomRepresenter extends Representer {
 895                 public CustomRepresenter() {
 896                         super();
 897                         // null representer is exceptional and it is stored as an instance
 898                         // variable.
 899                         this.nullRepresenter = new RepresentNull();
 900
 901                 }
 902
 903                 @Override
 904                 protected NodeTuple representJavaBeanProperty(Object javaBean, Property property, Object propertyValue,
 905                                 Tag customTag) {
 906                         if (propertyValue == null) {
 907                                 return null;
 908                         } else {
 909                                 // skip not relevant for Tosca property
 910                                 if (property.getName().equals("dependencies")) {
 911                                         return null;
 912                                 }
 913                                 NodeTuple defaultNode = super.representJavaBeanProperty(javaBean, property, propertyValue, customTag);
 914
 915                                 return property.getName().equals("_defaultp_")
 916                                                 ? new NodeTuple(representData("default"), defaultNode.getValueNode()) : defaultNode;
 917                         }
 918                 }
 919
 920                 @Override
 921                 protected MappingNode representJavaBean(Set<Property> properties, Object javaBean) {
 922                         // remove the bean type from the output yaml (!! ...)
 923                         if (!classTags.containsKey(javaBean.getClass()))
 924                                 addClassTag(javaBean.getClass(), Tag.MAP);
 925
 926                         return super.representJavaBean(properties, javaBean);
 927                 }
 928
 929                 private class RepresentNull implements Represent {
 930                         public Node representData(Object data) {
 931                                 // possible values are here http://yaml.org/type/null.html
 932                                 return representScalar(Tag.NULL, "");
 933                         }
 934                 }
 935         }
 936
 937         private static class UnsortedPropertyUtils extends PropertyUtils {
 938                 @Override
 939                 protected Set<Property> createPropertySet(Class<? extends Object> type, BeanAccess bAccess)
 940                                 throws IntrospectionException {
 941                         Collection<Property> fields = getPropertiesMap(type, BeanAccess.FIELD).values();
 942                         return new LinkedHashSet<Property>(fields);
 943                 }
 944         }
 945
 946 }