package org.openecomp.sdc.be.model.jsontitan.operations;

import java.util.*;
import java.util.Map.Entry;
import java.util.stream.Collectors;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.TitanDao;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.dao.titan.TitanOperationStatus;
import org.openecomp.sdc.be.datatypes.components.ComponentMetadataDataDefinition;
import org.openecomp.sdc.be.datatypes.components.ResourceMetadataDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ArtifactDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.CapabilityDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ComponentInstanceDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.GroupDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ListCapabilityDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.ListRequirementDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.MapArtifactDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.MapCapabiltyProperty;
import org.openecomp.sdc.be.datatypes.elements.MapListCapabiltyDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.MapListRequirementDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.MapPropertiesDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.PropertyDataDefinition;
import org.openecomp.sdc.be.datatypes.elements.RequirementDataDefinition;
import org.openecomp.sdc.be.datatypes.enums.ComponentTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
import org.openecomp.sdc.be.model.ArtifactDefinition;
import org.openecomp.sdc.be.model.CapabilityDefinition;
import org.openecomp.sdc.be.model.Component;
import org.openecomp.sdc.be.model.ComponentInstance;
import org.openecomp.sdc.be.model.ComponentInstanceInput;
import org.openecomp.sdc.be.model.ComponentInstanceProperty;
import org.openecomp.sdc.be.model.ComponentParametersView;
import org.openecomp.sdc.be.model.DistributionStatusEnum;
import org.openecomp.sdc.be.model.GroupDefinition;
import org.openecomp.sdc.be.model.GroupInstance;
import org.openecomp.sdc.be.model.InputDefinition;
import org.openecomp.sdc.be.model.LifecycleStateEnum;
import org.openecomp.sdc.be.model.PropertyDefinition;
import org.openecomp.sdc.be.model.RequirementCapabilityRelDef;
import org.openecomp.sdc.be.model.RequirementDefinition;
import org.openecomp.sdc.be.model.Resource;
import org.openecomp.sdc.be.model.Service;
import org.openecomp.sdc.be.model.User;
import org.openecomp.sdc.be.model.jsontitan.datamodel.TopologyTemplate;
import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElement;
import org.openecomp.sdc.be.model.jsontitan.datamodel.ToscaElementTypeEnum;
import org.openecomp.sdc.be.model.jsontitan.utils.ModelConverter;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
import org.openecomp.sdc.be.model.operations.impl.UniqueIdBuilder;
import org.openecomp.sdc.be.resources.data.ComponentMetadataData;
import org.openecomp.sdc.be.utils.CommonBeUtils;
import org.openecomp.sdc.common.jsongraph.util.CommonUtility;
import org.openecomp.sdc.common.jsongraph.util.CommonUtility.LogLevelEnum;
import org.openecomp.sdc.common.util.ValidationUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;

import fj.data.Either;

@org.springframework.stereotype.Component("tosca-operation-facade")
public class ToscaOperationFacade {
	@Autowired
	private NodeTypeOperation nodeTypeOperation;
	@Autowired
	private TopologyTemplateOperation topologyTemplateOperation;
	@Autowired
	private NodeTemplateOperation nodeTemplateOperation;
	@Autowired
	private GroupsOperation groupsOperation;
	@Autowired
	private TitanDao titanDao;

	private static Logger log = LoggerFactory.getLogger(ToscaOperationFacade.class.getName());

	public <T extends Component> Either<T, StorageOperationStatus> getToscaElement(String componentId) {

		return getToscaElement(componentId, JsonParseFlagEnum.ParseAll);

	}

	public <T extends Component> Either<T, StorageOperationStatus> getToscaFullElement(String componentId) {
		ComponentParametersView filters = new ComponentParametersView();
		filters.setIgnoreCapabiltyProperties(false);

		return getToscaElement(componentId, filters);
	}

	public <T extends Component> Either<T, StorageOperationStatus> getToscaElement(String componentId, ComponentParametersView filters) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, filters.detectParseFlag());
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}
		return getToscaElementByOperation(getVertexEither.left().value(), filters);
	}

	public <T extends Component> Either<T, StorageOperationStatus> getToscaElement(String componentId, JsonParseFlagEnum parseFlag) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, parseFlag);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}
		return getToscaElementByOperation(getVertexEither.left().value());
	}

	public <T extends Component> Either<T, StorageOperationStatus> getToscaElement(GraphVertex componentVertex) {
		return getToscaElementByOperation(componentVertex);
	}

	public Either<Boolean, StorageOperationStatus> validateComponentExists(String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			TitanOperationStatus status = getVertexEither.right().value();
			if (status == TitanOperationStatus.NOT_FOUND) {
				return Either.left(false);
			} else {
				log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
				return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));
			}
		}
		return Either.left(true);
	}

	public <T extends Component> Either<T, StorageOperationStatus> findLastCertifiedToscaElementByUUID(T component) {
		Map<GraphPropertyEnum, Object> props = new HashMap<>();
		props.put(GraphPropertyEnum.UUID, component.getUUID());
		props.put(GraphPropertyEnum.STATE, LifecycleStateEnum.CERTIFIED.name());
		props.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);

		Either<List<GraphVertex>, TitanOperationStatus> getVertexEither = titanDao.getByCriteria(ModelConverter.getVertexType(component), props);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", component.getUniqueId(), getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}
		return getToscaElementByOperation(getVertexEither.left().value().get(0));
	}

	private <T extends Component> Either<T, StorageOperationStatus> getToscaElementByOperation(GraphVertex componentV) {
		return getToscaElementByOperation(componentV, new ComponentParametersView());
	}

	private <T extends Component> Either<T, StorageOperationStatus> getToscaElementByOperation(GraphVertex componentV, ComponentParametersView filters) {
		VertexTypeEnum label = componentV.getLabel();

		ToscaElementOperation toscaOperation = getToscaElementOperation(componentV);
		Either<ToscaElement, StorageOperationStatus> toscaElement;
		String componentId = componentV.getUniqueId();
		if (toscaOperation != null) {
			log.debug("Need to fetch tosca element for id {}", componentId);
			toscaElement = toscaOperation.getToscaElement(componentV, filters);
		} else {
			log.debug("not supported tosca type {} for id {}", label, componentId);
			toscaElement = Either.right(StorageOperationStatus.BAD_REQUEST);
		}
		if (toscaElement.isRight()) {
			return Either.right(toscaElement.right().value());
		}
		return Either.left(ModelConverter.convertFromToscaElement(toscaElement.left().value()));
	}

	private ToscaElementOperation getToscaElementOperation(GraphVertex componentV) {
		VertexTypeEnum label = componentV.getLabel();
		switch (label) {
		case NODE_TYPE:
			return nodeTypeOperation;
		case TOPOLOGY_TEMPLATE:
			return topologyTemplateOperation;
		default:
			return null;
		}
	}

	/**
	 * 
	 * @param resource
	 * @return
	 */
	public <T extends Component> Either<T, StorageOperationStatus> createToscaComponent(T resource) {
		ToscaElement toscaElement = ModelConverter.convertToToscaElement(resource);

		ToscaElementOperation toscaElementOperation = getToscaElementOperation(toscaElement);
		Either<ToscaElement, StorageOperationStatus> createToscaElement = toscaElementOperation.createToscaElement(toscaElement);
		if (createToscaElement.isLeft()) {
			log.debug("Component created successfully!!!");
			T dataModel = ModelConverter.convertFromToscaElement(createToscaElement.left().value());
			return Either.left(dataModel);
		}
		return Either.right(createToscaElement.right().value());
	}

	/**
	 * 
	 * @param componentToDelete
	 * @return
	 */
	public StorageOperationStatus markComponentToDelete(Component componentToDelete) {

		if ((componentToDelete.getIsDeleted() != null) && componentToDelete.getIsDeleted() && !componentToDelete.isHighestVersion()) {
			// component already marked for delete
			return StorageOperationStatus.OK;
		} else {

			Either<GraphVertex, TitanOperationStatus> getResponse = titanDao.getVertexById(componentToDelete.getUniqueId(), JsonParseFlagEnum.ParseAll);
			if (getResponse.isRight()) {
				log.debug("Couldn't fetch component with and unique id {}, error: {}", componentToDelete.getUniqueId(), getResponse.right().value());
				return DaoStatusConverter.convertTitanStatusToStorageStatus(getResponse.right().value());

			}
			GraphVertex componentV = getResponse.left().value();

			// same operation for node type and topology template operations
			Either<GraphVertex, StorageOperationStatus> result = nodeTypeOperation.markComponentToDelete(componentV);
			if (result.isRight()) {
				return result.right().value();
			}
			return StorageOperationStatus.OK;
		}
	}

	/**
	 * 
	 * @param componentId
	 * @return
	 */
	public <T extends Component> Either<T, StorageOperationStatus> deleteToscaComponent(String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.ParseAll);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component vertex with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}
		Either<ToscaElement, StorageOperationStatus> deleteElement = deleteToscaElement(getVertexEither.left().value());
		if (deleteElement.isRight()) {
			log.debug("Failed to delete component with and unique id {}, error: {}", componentId, deleteElement.right().value());
			return Either.right(deleteElement.right().value());
		}
		T dataModel = ModelConverter.convertFromToscaElement(deleteElement.left().value());

		return Either.left(dataModel);
	}

	private Either<ToscaElement, StorageOperationStatus> deleteToscaElement(GraphVertex componentV) {
		VertexTypeEnum label = componentV.getLabel();
		Either<ToscaElement, StorageOperationStatus> toscaElement;
		Object componentId = componentV.getUniqueId();
		switch (label) {
		case NODE_TYPE:
			log.debug("Need to fetch node type for id {}", componentId);
			toscaElement = nodeTypeOperation.deleteToscaElement(componentV);
			break;
		case TOPOLOGY_TEMPLATE:
			log.debug("Need to fetch topology template for id {}", componentId);
			toscaElement = topologyTemplateOperation.deleteToscaElement(componentV);
			break;
		default:
			log.debug("not supported tosca type {} for id {}", label, componentId);
			toscaElement = Either.right(StorageOperationStatus.BAD_REQUEST);
			break;
		}
		return toscaElement;
	}

	private ToscaElementOperation getToscaElementOperation(ToscaElement toscaElement) {

		ComponentTypeEnum componentType = toscaElement.getComponentType();
		switch (componentType) {
		case RESOURCE:
			ResourceTypeEnum resourceType = toscaElement.getResourceType();
			if (resourceType == ResourceTypeEnum.VF) {
				return topologyTemplateOperation;
			} else {
				return nodeTypeOperation;
			}
		case SERVICE:
		case PRODUCT:
			return topologyTemplateOperation;
		default:
			break;
		}
		return null;
	}

	private ToscaElementOperation getToscaElementOperation(Component component) {

		switch (component.getComponentType()) {
		case RESOURCE:
			ResourceTypeEnum resourceType = ((Resource) component).getResourceType();
			if (resourceType != null && resourceType == ResourceTypeEnum.VF) {
				return topologyTemplateOperation;
			} else {
				return nodeTypeOperation;
			}
		case SERVICE:
		case PRODUCT:
			return topologyTemplateOperation;
		default:
			break;
		}
		return null;
	}

	public <T extends Component> Either<T, StorageOperationStatus> getLatestByToscaResourceName(String toscaResourceName) {
		return getLatestByName(GraphPropertyEnum.TOSCA_RESOURCE_NAME, toscaResourceName);

	}

	public <T extends Component> Either<T, StorageOperationStatus> getLatestByName(String resourceName) {
		return getLatestByName(GraphPropertyEnum.NAME, resourceName);

	}

	public Either<Integer, StorageOperationStatus> validateCsarUuidUniqueness(String csarUUID) {
		Either<List<ToscaElement>, StorageOperationStatus> byCsar = null;

		Map<GraphPropertyEnum, Object> properties = new HashMap<GraphPropertyEnum, Object>();
		properties.put(GraphPropertyEnum.CSAR_UUID, csarUUID);

		Either<List<GraphVertex>, TitanOperationStatus> resources = titanDao.getByCriteria(null, properties, JsonParseFlagEnum.ParseMetadata);

		if (resources.isRight()) {
			if (resources.right().value() == TitanOperationStatus.NOT_FOUND) {
				return Either.left(new Integer(0));
			} else {
				log.debug("failed to get resources from graph with property name: {}", csarUUID);
				return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(resources.right().value()));
			}
		}

		List<GraphVertex> resourceList = (resources.isLeft() ? resources.left().value() : null);

		return Either.left(new Integer(resourceList.size()));

	}

	public <T extends Component> Either<Set<T>, StorageOperationStatus> getFollowed(String userId, Set<LifecycleStateEnum> lifecycleStates, Set<LifecycleStateEnum> lastStateStates, ComponentTypeEnum componentType) {
		Either<List<ToscaElement>, StorageOperationStatus> followedResources;
		if (componentType == ComponentTypeEnum.RESOURCE) {
			followedResources = nodeTypeOperation.getFollowedComponent(userId, lifecycleStates, lastStateStates, componentType);
		} else {
			followedResources = topologyTemplateOperation.getFollowedComponent(userId, lifecycleStates, lastStateStates, componentType);
		}

		Set<T> components = new HashSet<>();
		if (followedResources.isRight() && followedResources.right().value() != StorageOperationStatus.NOT_FOUND) {
			return Either.right(followedResources.right().value());
		}
		if (followedResources.isLeft()) {
			List<ToscaElement> toscaElements = followedResources.left().value();
			toscaElements.forEach(te -> {
				T component = ModelConverter.convertFromToscaElement(te);
				components.add(component);
			});
		}
		return Either.left(components);
	}

	public Either<Resource, StorageOperationStatus> getLatestCertifiedNodeTypeByToscaResourceName(String toscaResourceName) {

		return getLatestCertifiedByToscaResourceName(toscaResourceName, VertexTypeEnum.NODE_TYPE, JsonParseFlagEnum.ParseMetadata);
	}

	public Either<Resource, StorageOperationStatus> getLatestCertifiedByToscaResourceName(String toscaResourceName, VertexTypeEnum vertexType, JsonParseFlagEnum parseFlag) {

		Either<Resource, StorageOperationStatus> result = null;
		Map<GraphPropertyEnum, Object> props = new HashMap<GraphPropertyEnum, Object>();
		props.put(GraphPropertyEnum.TOSCA_RESOURCE_NAME, toscaResourceName);
		props.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
		props.put(GraphPropertyEnum.STATE, LifecycleStateEnum.CERTIFIED.name());
		Either<List<GraphVertex>, TitanOperationStatus> getLatestRes = titanDao.getByCriteria(vertexType, props, parseFlag);

		if (getLatestRes.isRight()) {
			TitanOperationStatus status = getLatestRes.right().value();
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch {} with name {}. status={} ", vertexType, toscaResourceName, status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
		}
		if (result == null) {
			List<GraphVertex> resources = getLatestRes.left().value();
			double version = 0.0;
			GraphVertex highestResource = null;
			for (GraphVertex resource : resources) {
				double resourceVersion = Double.parseDouble((String) resource.getJsonMetadataField(JsonPresentationFields.VERSION));
				if (resourceVersion > version) {
					version = resourceVersion;
					highestResource = resource;
				}
			}
			result = getToscaElement(highestResource.getUniqueId());
		}
		return result;
	}

	public Either<Boolean, StorageOperationStatus> validateToscaResourceNameExists(String templateName) {
		Either<Boolean, StorageOperationStatus> validateUniquenessRes = validateToscaResourceNameUniqueness(templateName);
		if (validateUniquenessRes.isLeft()) {
			return Either.left(!validateUniquenessRes.left().value());
		}
		return validateUniquenessRes;
	}

	public Either<RequirementCapabilityRelDef, StorageOperationStatus> dissociateResourceInstances(String componentId, RequirementCapabilityRelDef requirementDef) {
		return nodeTemplateOperation.dissociateResourceInstances(componentId, requirementDef);

	}

	public StorageOperationStatus associateResourceInstances(String componentId, List<RequirementCapabilityRelDef> relations) {
		Either<List<RequirementCapabilityRelDef>, StorageOperationStatus> status = nodeTemplateOperation.associateResourceInstances(componentId, relations);
		if (status.isRight()) {
			return status.right().value();
		}
		return StorageOperationStatus.OK;
	}

	protected Either<Boolean, StorageOperationStatus> validateToscaResourceNameUniqueness(String name) {

		Map<GraphPropertyEnum, Object> properties = new HashMap<GraphPropertyEnum, Object>();
		properties.put(GraphPropertyEnum.TOSCA_RESOURCE_NAME, name);

		Either<List<GraphVertex>, TitanOperationStatus> resources = titanDao.getByCriteria(null, properties, JsonParseFlagEnum.ParseMetadata);

		if (resources.isRight() && resources.right().value() != TitanOperationStatus.NOT_FOUND) {
			log.debug("failed to get resources from graph with property name: {}", name);
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(resources.right().value()));
		}
		List<GraphVertex> resourceList = (resources.isLeft() ? resources.left().value() : null);
		if (resourceList != null && resourceList.size() > 0) {
			if (log.isDebugEnabled()) {
				StringBuilder builder = new StringBuilder();
				for (GraphVertex resourceData : resourceList) {
					builder.append(resourceData.getUniqueId() + "|");
				}
				log.debug("resources  with property name:{} exists in graph. found {}", name, builder.toString());
			}
			return Either.left(false);
		} else {
			log.debug("resources  with property name:{} does not exists in graph", name);
			return Either.left(true);
		}

	}

	/**
	 * 
	 * @param newComponent
	 * @param oldComponent
	 * @return
	 */
	public <T extends Component> Either<T, StorageOperationStatus> overrideComponent(T newComponent, T oldComponent) {

		// TODO
		// newComponent.setInterfaces(oldComponent.getInterfaces);
		newComponent.setArtifacts(oldComponent.getArtifacts());
		newComponent.setDeploymentArtifacts(oldComponent.getDeploymentArtifacts());
		newComponent.setGroups(oldComponent.getGroups());
		newComponent.setInputs(null);
		newComponent.setLastUpdateDate(null);
		newComponent.setHighestVersion(true);

		Either<GraphVertex, TitanOperationStatus> componentVEither = titanDao.getVertexById(oldComponent.getUniqueId(), JsonParseFlagEnum.NoParse);
		if (componentVEither.isRight()) {
			log.debug("Falied to fetch component {} error {}", oldComponent.getUniqueId(), componentVEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(componentVEither.right().value()));
		}
		GraphVertex componentv = componentVEither.left().value();
		Either<GraphVertex, TitanOperationStatus> parentVertexEither = titanDao.getParentVertex(componentv, EdgeLabelEnum.VERSION, JsonParseFlagEnum.NoParse);
		if (parentVertexEither.isRight() && parentVertexEither.right().value() != TitanOperationStatus.NOT_FOUND) {
			log.debug("Falied to fetch parent version for component {} error {}", oldComponent.getUniqueId(), parentVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(parentVertexEither.right().value()));
		}

		Either<ToscaElement, StorageOperationStatus> deleteToscaComponent = deleteToscaElement(componentv);
		if (deleteToscaComponent.isRight()) {
			log.debug("Falied to remove old component {} error {}", oldComponent.getUniqueId(), deleteToscaComponent.right().value());
			return Either.right(deleteToscaComponent.right().value());
		}
		Either<T, StorageOperationStatus> createToscaComponent = createToscaComponent(newComponent);
		if (createToscaComponent.isRight()) {
			log.debug("Falied to create tosca element component {} error {}", newComponent.getUniqueId(), createToscaComponent.right().value());
			return Either.right(createToscaComponent.right().value());
		}
		T newElement = createToscaComponent.left().value();
		Either<GraphVertex, TitanOperationStatus> newVersionEither = titanDao.getVertexById(newElement.getUniqueId(), JsonParseFlagEnum.NoParse);
		if (newVersionEither.isRight()) {
			log.debug("Falied to fetch new tosca element component {} error {}", newComponent.getUniqueId(), newVersionEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(newVersionEither.right().value()));
		}
		if (parentVertexEither.isLeft()) {
			GraphVertex previousVersionV = parentVertexEither.left().value();
			TitanOperationStatus createEdge = titanDao.createEdge(previousVersionV, newVersionEither.left().value(), EdgeLabelEnum.VERSION, null);
			if (createEdge != TitanOperationStatus.OK) {
				log.debug("Falied to associate to previous version {} new version {} error {}", previousVersionV.getUniqueId(), newVersionEither.right().value(), createEdge);
				return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(createEdge));
			}
		}
		return Either.left(newElement);
	}

	/**
	 * 
	 * @param componentToUpdate
	 * @return
	 */
	public <T extends Component> Either<T, StorageOperationStatus> updateToscaElement(T componentToUpdate) {
		return updateToscaElement(componentToUpdate, new ComponentParametersView());
	}

	/**
	 * 
	 * @param componentToUpdate
	 * @param type
	 * @param filterResult
	 * @return
	 */
	public <T extends Component> Either<T, StorageOperationStatus> updateToscaElement(T componentToUpdate, ComponentParametersView filterResult) {
		String componentId = componentToUpdate.getUniqueId();
		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.ParseAll);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));
		}
		GraphVertex elementV = getVertexEither.left().value();
		ToscaElementOperation toscaElementOperation = getToscaElementOperation(elementV);

		ToscaElement toscaElementToUpdate = ModelConverter.convertToToscaElement(componentToUpdate);
		Either<ToscaElement, StorageOperationStatus> updateToscaElement = toscaElementOperation.updateToscaElement(toscaElementToUpdate, elementV, filterResult);
		if (updateToscaElement.isRight()) {
			log.debug("Failed to update tosca element {} error {}", componentId, updateToscaElement.right().value());
			return Either.right(updateToscaElement.right().value());
		}
		return Either.left(ModelConverter.convertFromToscaElement(updateToscaElement.left().value()));
	}

	private <T extends Component> Either<T, StorageOperationStatus> getLatestByName(GraphPropertyEnum property, String nodeName) {
		Either<T, StorageOperationStatus> result;

		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);

		propertiesToMatch.put(property, nodeName);
		propertiesToMatch.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);

		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> highestResources = titanDao.getByCriteria(null, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseMetadata);
		if (highestResources.isRight()) {
			TitanOperationStatus status = highestResources.right().value();
			log.debug("failed to find resource with name {}. status={} ", nodeName, status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
			return result;
		}

		List<GraphVertex> resources = highestResources.left().value();
		double version = 0.0;
		GraphVertex highestResource = null;
		for (GraphVertex vertex : resources) {
			Object versionObj = vertex.getMetadataProperty(GraphPropertyEnum.VERSION);
			double resourceVersion = Double.valueOf((String) versionObj);
			if (resourceVersion > version) {
				version = resourceVersion;
				highestResource = vertex;
			}
		}
		return getToscaElementByOperation(highestResource);
	}

	public <T extends Component> Either<List<T>, StorageOperationStatus> getBySystemName(ComponentTypeEnum componentType, String systemName) {

		Either<List<T>, StorageOperationStatus> result = null;
		Either<T, StorageOperationStatus> getComponentRes;
		List<T> components = new ArrayList<>();
		List<GraphVertex> componentVertices;
		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);

		propertiesToMatch.put(GraphPropertyEnum.SYSTEM_NAME, systemName);
		if (componentType != null)
			propertiesToMatch.put(GraphPropertyEnum.COMPONENT_TYPE, componentType.name());

		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> getComponentsRes = titanDao.getByCriteria(null, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseAll);
		if (getComponentsRes.isRight()) {
			TitanOperationStatus status = getComponentsRes.right().value();
			log.debug("Failed to fetch the component with system name {}. Status is {} ", systemName, status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
		}
		if (result == null) {
			componentVertices = getComponentsRes.left().value();
			for (GraphVertex componentVertex : componentVertices) {
				getComponentRes = getToscaElementByOperation(componentVertex);
				if (getComponentRes.isRight()) {
					log.debug("Failed to get the component {}. Status is {} ", componentVertex.getJsonMetadataField(JsonPresentationFields.NAME), getComponentRes.right().value());
					result = Either.right(getComponentRes.right().value());
					break;
				}
				T componentBySystemName = getComponentRes.left().value();
				log.debug("Found component, id: {}", componentBySystemName.getUniqueId());
				components.add(componentBySystemName);
			}
		}
		if (result == null) {
			result = Either.left(components);
		}
		return result;
	}

	public <T extends Component> Either<T, StorageOperationStatus> getComponentByNameAndVersion(ComponentTypeEnum componentType, String name, String version) {
		return getComponentByNameAndVersion(componentType, name, version, JsonParseFlagEnum.ParseAll);
	}

	public <T extends Component> Either<T, StorageOperationStatus> getComponentByNameAndVersion(ComponentTypeEnum componentType, String name, String version, JsonParseFlagEnum parseFlag) {
		Either<T, StorageOperationStatus> result;

		Map<GraphPropertyEnum, Object> hasProperties = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> hasNotProperties = new EnumMap<>(GraphPropertyEnum.class);

		hasProperties.put(GraphPropertyEnum.NAME, name);
		hasProperties.put(GraphPropertyEnum.VERSION, version);
		hasNotProperties.put(GraphPropertyEnum.IS_DELETED, true);
		if (componentType != null) {
			hasProperties.put(GraphPropertyEnum.COMPONENT_TYPE, componentType.name());
		}
		Either<List<GraphVertex>, TitanOperationStatus> getResourceRes = titanDao.getByCriteria(null, hasProperties, hasNotProperties, parseFlag);
		if (getResourceRes.isRight()) {
			TitanOperationStatus status = getResourceRes.right().value();
			log.debug("failed to find resource with name {}, version {}. Status is {} ", name, version, status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
			return result;
		}
		return getToscaElementByOperation(getResourceRes.left().value().get(0));
	}

	public <T extends Component> Either<List<T>, StorageOperationStatus> getCatalogComponents(ComponentTypeEnum componentType, boolean isHighestVersions) {
		List<T> components = new ArrayList<>();
		Either<List<ToscaElement>, StorageOperationStatus> catalogDataResult;
		List<ToscaElement> toscaElements;
		switch (componentType) {
		case RESOURCE:
			catalogDataResult = nodeTypeOperation.getElementCatalogData(ComponentTypeEnum.RESOURCE, ToscaElementTypeEnum.NodeType, isHighestVersions);
			if (catalogDataResult.isRight()) {
				return Either.right(catalogDataResult.right().value());
			}
			toscaElements = catalogDataResult.left().value();
			Either<List<ToscaElement>, StorageOperationStatus> resourceCatalogData = topologyTemplateOperation.getElementCatalogData(ComponentTypeEnum.RESOURCE, ToscaElementTypeEnum.TopologyTemplate, isHighestVersions);
			if (resourceCatalogData.isRight()) {
				return Either.right(resourceCatalogData.right().value());
			}
			toscaElements.addAll(resourceCatalogData.left().value());
			break;
		case SERVICE:
			catalogDataResult = topologyTemplateOperation.getElementCatalogData(ComponentTypeEnum.SERVICE, ToscaElementTypeEnum.TopologyTemplate, isHighestVersions);
			if (catalogDataResult.isRight()) {
				return Either.right(catalogDataResult.right().value());
			}
			toscaElements = catalogDataResult.left().value();
			break;
		default:
			log.debug("Not supported component type {}", componentType);
			return Either.right(StorageOperationStatus.BAD_REQUEST);
		}
		toscaElements.forEach(te -> {
			T component = ModelConverter.convertFromToscaElement(te);
			components.add(component);
		});
		return Either.left(components);
	}

	public Either<List<String>, StorageOperationStatus> deleteMarkedElements(ComponentTypeEnum componentType) {
		Either<List<GraphVertex>, StorageOperationStatus> allComponentsMarkedForDeletion;
		List<String> deleted = new ArrayList<>();
		switch (componentType) {
		case RESOURCE:
			allComponentsMarkedForDeletion = nodeTypeOperation.getAllComponentsMarkedForDeletion(componentType);
			break;
		case SERVICE:
		case PRODUCT:
			allComponentsMarkedForDeletion = topologyTemplateOperation.getAllComponentsMarkedForDeletion(componentType);
			break;
		default:
			log.debug("Not supported component type {}", componentType);
			return Either.right(StorageOperationStatus.BAD_REQUEST);
		}
		if (allComponentsMarkedForDeletion.isRight()) {
			return Either.right(allComponentsMarkedForDeletion.right().value());
		}
		List<GraphVertex> allMarked = allComponentsMarkedForDeletion.left().value();

		Either<List<GraphVertex>, TitanOperationStatus> allNotDeletedElements = topologyTemplateOperation.getAllNotDeletedElements();
		if (allNotDeletedElements.isRight()) {
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(allNotDeletedElements.right().value()));
		}
		List<GraphVertex> allNonMarked = allNotDeletedElements.left().value();
		for (GraphVertex elementV : allMarked) {
			if (topologyTemplateOperation.isInUse(elementV, allNonMarked) == false) {
				Either<ToscaElement, StorageOperationStatus> deleteToscaElement = deleteToscaElement(elementV);
				if (deleteToscaElement.isRight()) {
					log.debug("Failed to delete marked element {} error {}", elementV.getUniqueId(), deleteToscaElement.right().value());
				}
			} else {
				deleted.add(elementV.getUniqueId());
				log.debug("Marked element {} in use. don't delete it", elementV.getUniqueId());
			}
		}
		return Either.left(deleted);
	}

	public Either<List<String>, StorageOperationStatus> getAllComponentsMarkedForDeletion(ComponentTypeEnum componentType) {
		Either<List<GraphVertex>, StorageOperationStatus> allComponentsMarkedForDeletion;
		switch (componentType) {
		case RESOURCE:
			allComponentsMarkedForDeletion = nodeTypeOperation.getAllComponentsMarkedForDeletion(componentType);
			break;
		case SERVICE:
		case PRODUCT:
			allComponentsMarkedForDeletion = topologyTemplateOperation.getAllComponentsMarkedForDeletion(componentType);
			break;
		default:
			log.debug("Not supported component type {}", componentType);
			return Either.right(StorageOperationStatus.BAD_REQUEST);
		}
		if (allComponentsMarkedForDeletion.isRight()) {
			return Either.right(allComponentsMarkedForDeletion.right().value());
		}
		return Either.left(allComponentsMarkedForDeletion.left().value().stream().map(v -> v.getUniqueId()).collect(Collectors.toList()));
	}

	public Either<Boolean, StorageOperationStatus> isComponentInUse(String componentId) {
		Either<Boolean, StorageOperationStatus> result;
		Either<List<GraphVertex>, TitanOperationStatus> allNotDeletedElements = topologyTemplateOperation.getAllNotDeletedElements();
		if (allNotDeletedElements.isRight()) {
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(allNotDeletedElements.right().value()));
		} else {
			result = Either.left(topologyTemplateOperation.isInUse(componentId, allNotDeletedElements.left().value()));
		}
		return result;
	}

	public Either<ImmutablePair<Component, String>, StorageOperationStatus> addComponentInstanceToTopologyTemplate(Component containerComponent, Component origComponent, ComponentInstance componentInstance, boolean allowDeleted, User user) {

		Either<ImmutablePair<Component, String>, StorageOperationStatus> result = null;
		Either<ToscaElement, StorageOperationStatus> updateContainerComponentRes = null;
		componentInstance.setIcon(origComponent.getIcon());
		Either<ImmutablePair<TopologyTemplate, String>, StorageOperationStatus> addResult = nodeTemplateOperation.addComponentInstanceToTopologyTemplate(ModelConverter.convertToToscaElement(containerComponent),
				ModelConverter.convertToToscaElement(origComponent), getNextComponentInstanceCounter(containerComponent, origComponent.getName()), componentInstance, allowDeleted, user);

		if (addResult.isRight()) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to add the component instance {} to container component {}. ", componentInstance.getName(), containerComponent.getName());
			result = Either.right(addResult.right().value());
		}
		if (result == null) {
			updateContainerComponentRes = topologyTemplateOperation.getToscaElement(containerComponent.getUniqueId());
			if (updateContainerComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch updated topology template {} with updated component instance {}. ", containerComponent.getName(), componentInstance.getName());
				result = Either.right(updateContainerComponentRes.right().value());
			}
		}
		if (result == null) {
			Component updatedComponent = ModelConverter.convertFromToscaElement(updateContainerComponentRes.left().value());
			String createdInstanceId = addResult.left().value().getRight();
			CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "The component instance {} has been added to container component {}. ", createdInstanceId, updatedComponent.getName());
			result = Either.left(new ImmutablePair<>(updatedComponent, createdInstanceId));
		}
		return result;
	}

	public StorageOperationStatus associateComponentInstancesToComponent(Component containerComponent, Map<ComponentInstance, Resource> resourcesInstancesMap, boolean allowDeleted) {

		StorageOperationStatus result = null;
		CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Going to add component instances to component {}", containerComponent.getUniqueId());

		Either<GraphVertex, TitanOperationStatus> metadataVertex = titanDao.getVertexById(containerComponent.getUniqueId(), JsonParseFlagEnum.ParseAll);
		if (metadataVertex.isRight()) {
			TitanOperationStatus status = metadataVertex.right().value();
			if (status == TitanOperationStatus.NOT_FOUND) {
				status = TitanOperationStatus.INVALID_ID;
			}
			result = DaoStatusConverter.convertTitanStatusToStorageStatus(status);
		}
		if (result == null) {
			result = nodeTemplateOperation.associateComponentInstancesToComponent(containerComponent, resourcesInstancesMap, metadataVertex.left().value(), allowDeleted);
		}
		return result;
	}

	public Either<ImmutablePair<Component, String>, StorageOperationStatus> updateComponentInstanceMetadataOfTopologyTemplate(Component containerComponent, Component origComponent, ComponentInstance componentInstance) {

		Either<ImmutablePair<Component, String>, StorageOperationStatus> result = null;

		CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "Going to update the metadata of the component instance {} belonging to container component {}. ", componentInstance.getName(), containerComponent.getName());
		componentInstance.setIcon(origComponent.getIcon());
		Either<ImmutablePair<TopologyTemplate, String>, StorageOperationStatus> updateResult = nodeTemplateOperation.updateComponentInstanceMetadataOfTopologyTemplate(ModelConverter.convertToToscaElement(containerComponent),
				ModelConverter.convertToToscaElement(origComponent), componentInstance);
		if (updateResult.isRight()) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to update the metadata of the component instance {} belonging to container component {}. ", componentInstance.getName(), containerComponent.getName());
			result = Either.right(updateResult.right().value());
		}
		if (result == null) {
			Component updatedComponent = ModelConverter.convertFromToscaElement(updateResult.left().value().getLeft());
			String createdInstanceId = updateResult.left().value().getRight();
			CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "The metadata of the component instance {} has been updated to container component {}. ", createdInstanceId, updatedComponent.getName());
			result = Either.left(new ImmutablePair<>(updatedComponent, createdInstanceId));
		}
		return result;
	}

	public Either<Component, StorageOperationStatus> updateComponentInstanceMetadataOfTopologyTemplate(Component containerComponent) {

		Either<Component, StorageOperationStatus> result = null;

		CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "Going to update the metadata  belonging to container component {}. ", containerComponent.getName());

		Either<TopologyTemplate, StorageOperationStatus> updateResult = nodeTemplateOperation.updateComponentInstanceMetadataOfTopologyTemplate(ModelConverter.convertToToscaElement(containerComponent));
		if (updateResult.isRight()) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to update the metadata  belonging to container component {}. ", containerComponent.getName());
			result = Either.right(updateResult.right().value());
		}
		if (result == null) {
			Component updatedComponent = ModelConverter.convertFromToscaElement(updateResult.left().value());
			CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "The metadata has been updated to container component {}. ", updatedComponent.getName());
			result = Either.left(updatedComponent);
		}
		return result;
	}

	public Either<ImmutablePair<Component, String>, StorageOperationStatus> deleteComponentInstanceFromTopologyTemplate(Component containerComponent, String resourceInstanceId) {

		Either<ImmutablePair<Component, String>, StorageOperationStatus> result = null;

		CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "Going to delete the component instance {} belonging to container component {}. ", resourceInstanceId, containerComponent.getName());

		Either<ImmutablePair<TopologyTemplate, String>, StorageOperationStatus> updateResult = nodeTemplateOperation.deleteComponentInstanceFromTopologyTemplate(ModelConverter.convertToToscaElement(containerComponent), resourceInstanceId);
		if (updateResult.isRight()) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to delete the component instance {} belonging to container component {}. ", resourceInstanceId, containerComponent.getName());
			result = Either.right(updateResult.right().value());
		}
		if (result == null) {
			Component updatedComponent = ModelConverter.convertFromToscaElement(updateResult.left().value().getLeft());
			String deletedInstanceId = updateResult.left().value().getRight();
			CommonUtility.addRecordToLog(log, LogLevelEnum.TRACE, "The component instance {} has been deleted from container component {}. ", deletedInstanceId, updatedComponent.getName());
			result = Either.left(new ImmutablePair<>(updatedComponent, deletedInstanceId));
		}
		return result;
	}

	private String getNextComponentInstanceCounter(Component containerComponent, String originResourceName) {

		Integer nextCounter = 0;

		if (CollectionUtils.isNotEmpty(containerComponent.getComponentInstances())) {

			String normalizedName = ValidationUtils.normalizeComponentInstanceName(originResourceName);
			Integer maxCounterFromNames = getMaxCounterFromNames(containerComponent, normalizedName);
			Integer maxCounterFromIds = getMaxCounterFromIds(containerComponent, normalizedName);

			if (maxCounterFromNames == null && maxCounterFromIds != null) {
				nextCounter = maxCounterFromIds + 1;
			} else if (maxCounterFromIds == null && maxCounterFromNames != null) {
				nextCounter = maxCounterFromNames + 1;
			} else if (maxCounterFromIds != null && maxCounterFromNames != null) {
				nextCounter = maxCounterFromNames > maxCounterFromIds ? maxCounterFromNames + 1 : maxCounterFromIds + 1;
			}
		}
		return nextCounter.toString();
	}

	private Integer getMaxCounterFromNames(Component containerComponent, String normalizedName) {

		Integer maxCounter = 0;
		List<String> countersStr = containerComponent.getComponentInstances().stream().filter(ci -> ci.getNormalizedName() != null && ci.getNormalizedName().startsWith(normalizedName)).map(ci -> ci.getNormalizedName().split(normalizedName)[1])
				.collect(Collectors.toList());

		if (CollectionUtils.isEmpty(countersStr)) {
			return null;
		}
		Integer currCounter = null;
		for (String counter : countersStr) {
			if (StringUtils.isEmpty(counter)) {
				continue;
			}
			try {
				currCounter = Integer.parseInt(counter);
			} catch (Exception e) {
				continue;
			}
			maxCounter = maxCounter < currCounter ? currCounter : maxCounter;
		}
		if (currCounter == null) {
			return null;
		}
		return maxCounter;
	}

	private Integer getMaxCounterFromIds(Component containerComponent, String normalizedName) {

		Integer maxCounter = 0;
		List<String> countersStr = containerComponent.getComponentInstances().stream().filter(ci -> ci.getUniqueId() != null && ci.getUniqueId().contains(normalizedName)).map(ci -> ci.getUniqueId().split(normalizedName)[1])
				.collect(Collectors.toList());

		if (CollectionUtils.isEmpty(countersStr)) {
			return null;
		}
		Integer currCounter = null;
		for (String counter : countersStr) {
			if (StringUtils.isEmpty(counter)) {
				continue;
			}
			try {
				currCounter = Integer.parseInt(counter);
			} catch (Exception e) {
				continue;
			}
			maxCounter = maxCounter < currCounter ? currCounter : maxCounter;
		}
		if (currCounter == null) {
			return null;
		}
		return maxCounter;
	}

	public Either<RequirementCapabilityRelDef, StorageOperationStatus> associateResourceInstances(String componentId, RequirementCapabilityRelDef requirementDef) {
		return nodeTemplateOperation.associateResourceInstances(componentId, requirementDef);

	}

	public Either<List<InputDefinition>, StorageOperationStatus> createAndAssociateInputs(Map<String, InputDefinition> inputs, String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, PropertyDataDefinition> inputsMap = inputs.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> new PropertyDataDefinition(e.getValue())));

		StorageOperationStatus status = topologyTemplateOperation.associateInputsToComponent(vertex, inputsMap, componentId);

		if (StorageOperationStatus.OK == status) {
			log.debug("Component created successfully!!!");
			List<InputDefinition> inputsResList = null;
			if (inputsMap != null && !inputsMap.isEmpty()) {
				inputsResList = inputsMap.values().stream().map(i -> new InputDefinition(i)).collect(Collectors.toList());
			}
			return Either.left(inputsResList);
		}
		return Either.right(status);

	}

	public Either<List<InputDefinition>, StorageOperationStatus> addInputsToComponent(Map<String, InputDefinition> inputs, String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, PropertyDataDefinition> inputsMap = inputs.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> new PropertyDataDefinition(e.getValue())));

		StorageOperationStatus status = topologyTemplateOperation.addToscaDataToToscaElement(vertex, EdgeLabelEnum.INPUTS, VertexTypeEnum.INPUTS, inputsMap, JsonPresentationFields.NAME);

		if (StorageOperationStatus.OK == status) {
			log.debug("Component created successfully!!!");
			List<InputDefinition> inputsResList = null;
			if (inputsMap != null && !inputsMap.isEmpty()) {
				inputsResList = inputsMap.values().stream().map(i -> new InputDefinition(i)).collect(Collectors.toList());
			}
			return Either.left(inputsResList);
		}
		return Either.right(status);

	}

	public Either<Map<String, List<ComponentInstanceProperty>>, StorageOperationStatus> associateComponentInstancePropertiesToComponent(Map<String, List<ComponentInstanceProperty>> instProperties, String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value()));

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, MapPropertiesDataDefinition> instPropsMap = new HashMap<>();
		if (instProperties != null) {

			MapPropertiesDataDefinition propertiesMap;
			for (Entry<String, List<ComponentInstanceProperty>> entry : instProperties.entrySet()) {
				propertiesMap = new MapPropertiesDataDefinition();

				propertiesMap.setMapToscaDataDefinition(entry.getValue().stream().map(e -> new PropertyDataDefinition(e)).collect(Collectors.toMap(e -> e.getName(), e -> e)));

				instPropsMap.put(entry.getKey(), propertiesMap);
			}
		}

		StorageOperationStatus status = topologyTemplateOperation.associateInstPropertiesToComponent(vertex, instPropsMap);

		if (StorageOperationStatus.OK == status) {
			log.debug("Component created successfully!!!");
			return Either.left(instProperties);
		}
		return Either.right(status);

	}

	public Either<Map<String, List<ComponentInstanceInput>>, StorageOperationStatus> addComponentInstanceInputsToComponent(Component containerComponent, Map<String, List<ComponentInstanceInput>> instProperties) {

		StorageOperationStatus status = StorageOperationStatus.OK;
		if (instProperties != null) {

			for (Entry<String, List<ComponentInstanceInput>> entry : instProperties.entrySet()) {
				List<ComponentInstanceInput> props = entry.getValue();
				String componentInstanseId = entry.getKey();
				if (props != null && !props.isEmpty()) {
					for (ComponentInstanceInput property : props) {
						List<ComponentInstanceInput> componentInstancesInputs = containerComponent.getComponentInstancesInputs().get(componentInstanseId);
						Optional<ComponentInstanceInput> instanceProperty = componentInstancesInputs.stream().filter(p -> p.getName().equals(property.getName())).findAny();
						if (instanceProperty.isPresent()) {
							status = updateComponentInstanceInput(containerComponent, componentInstanseId, property);
						} else {
							status = addComponentInstanceInput(containerComponent, componentInstanseId, property);
						}
						if (status != StorageOperationStatus.OK) {
							log.debug("Failed to update instance input {} for instance {} error {} ", property, componentInstanseId, status);
							return Either.right(status);
						} else {
							log.trace("instance input {} for instance {} updated", property, componentInstanseId);
						}
					}
				}
			}
		}
		return Either.left(instProperties);
	}

	public StorageOperationStatus deleteComponentInstanceInputsToComponent(Map<String, List<ComponentInstanceInput>> instProperties, String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value());

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, MapPropertiesDataDefinition> instPropsMap = new HashMap<>();
		if (instProperties != null) {

			MapPropertiesDataDefinition propertiesMap;
			for (Entry<String, List<ComponentInstanceInput>> entry : instProperties.entrySet()) {
				propertiesMap = new MapPropertiesDataDefinition();

				propertiesMap.setMapToscaDataDefinition(entry.getValue().stream().map(e -> new PropertyDataDefinition(e)).collect(Collectors.toMap(e -> e.getName(), e -> e)));

				instPropsMap.put(entry.getKey(), propertiesMap);
			}
		}

		return topologyTemplateOperation.deleteInstInputsToComponent(vertex, instPropsMap);

	}

	public Either<Map<String, List<ComponentInstanceProperty>>, StorageOperationStatus> addComponentInstancePropertiesToComponent(Component containerComponent, Map<String, List<ComponentInstanceProperty>> instProperties, String componentId) {

		StorageOperationStatus status = StorageOperationStatus.OK;
		if (instProperties != null) {

			for (Entry<String, List<ComponentInstanceProperty>> entry : instProperties.entrySet()) {
				List<ComponentInstanceProperty> props = entry.getValue();
				String componentInstanseId = entry.getKey();
				List<ComponentInstanceProperty> instanceProperties = containerComponent.getComponentInstancesProperties().get(componentInstanseId);
				if (props != null && !props.isEmpty()) {
					for (ComponentInstanceProperty property : props) {
						Optional<ComponentInstanceProperty> instanceProperty = instanceProperties.stream().filter(p -> p.getUniqueId().equals(property.getUniqueId())).findAny();
						if (instanceProperty.isPresent()) {
							status = updateComponentInstanceProperty(containerComponent, componentInstanseId, property);
						} else {
							status = addComponentInstanceProperty(containerComponent, componentInstanseId, property);
						}

					}
				}
			}
		}

		return Either.left(instProperties);

	}

	public StorageOperationStatus associateArtifactToInstances(Map<String, Map<String, ArtifactDefinition>> instArtifacts, String componentId, User user) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value());

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, MapArtifactDataDefinition> instArtMap = new HashMap<>();
		if (instArtifacts != null) {

			MapArtifactDataDefinition artifactsMap;
			for (Entry<String, Map<String, ArtifactDefinition>> entry : instArtifacts.entrySet()) {
				Map<String, ArtifactDefinition> artList = entry.getValue();
				Map<String, ArtifactDataDefinition> artifacts = artList.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> new ArtifactDataDefinition(e.getValue())));
				artifactsMap = nodeTemplateOperation.prepareInstDeploymentArtifactPerInstance(artifacts, entry.getKey(), user, NodeTemplateOperation.HEAT_VF_ENV_NAME);

				instArtMap.put(entry.getKey(), artifactsMap);
			}
		}

		return topologyTemplateOperation.associateInstArtifactToComponent(vertex, instArtMap);

	}

	public StorageOperationStatus associateInstAttributeToComponentToInstances(Map<String, List<PropertyDefinition>> instArttributes, String componentId) {

		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value());

		}

		GraphVertex vertex = getVertexEither.left().value();
		Map<String, MapPropertiesDataDefinition> instAttr = new HashMap<>();
		if (instArttributes != null) {

			MapPropertiesDataDefinition attributesMap;
			for (Entry<String, List<PropertyDefinition>> entry : instArttributes.entrySet()) {
				attributesMap = new MapPropertiesDataDefinition();
				attributesMap.setMapToscaDataDefinition(entry.getValue().stream().map(e -> new PropertyDataDefinition(e)).collect(Collectors.toMap(e -> e.getName(), e -> e)));
				instAttr.put(entry.getKey(), attributesMap);
			}
		}

		return topologyTemplateOperation.associateInstAttributeToComponent(vertex, instAttr);

	}

	public StorageOperationStatus associateCalculatedCapReq(Map<ComponentInstance, Map<String, List<CapabilityDefinition>>> instCapabilties, Map<ComponentInstance, Map<String, List<RequirementDefinition>>> instReg, String componentId) {
		Either<GraphVertex, TitanOperationStatus> getVertexEither = titanDao.getVertexById(componentId, JsonParseFlagEnum.NoParse);
		if (getVertexEither.isRight()) {
			log.debug("Couldn't fetch component with and unique id {}, error: {}", componentId, getVertexEither.right().value());
			return DaoStatusConverter.convertTitanStatusToStorageStatus(getVertexEither.right().value());

		}

		GraphVertex vertex = getVertexEither.left().value();

		Map<String, MapListRequirementDataDefinition> calcRequirements = new HashMap<>();

		Map<String, MapListCapabiltyDataDefinition> calcCapabilty = new HashMap<>();
		Map<String, MapCapabiltyProperty> calculatedCapabilitiesProperties = new HashMap<>();
		;
		if (instCapabilties != null) {
			for (Entry<ComponentInstance, Map<String, List<CapabilityDefinition>>> entry : instCapabilties.entrySet()) {

				Map<String, List<CapabilityDefinition>> caps = entry.getValue();
				Map<String, ListCapabilityDataDefinition> mapToscaDataDefinition = new HashMap<>();
				for (Entry<String, List<CapabilityDefinition>> instCapability : caps.entrySet()) {
					mapToscaDataDefinition.put(instCapability.getKey(), new ListCapabilityDataDefinition(instCapability.getValue().stream().map(iCap -> new CapabilityDataDefinition(iCap)).collect(Collectors.toList())));
				}

				ComponentInstanceDataDefinition componentInstance = new ComponentInstanceDataDefinition(entry.getKey());
				MapListCapabiltyDataDefinition capMap = nodeTemplateOperation.prepareCalculatedCapabiltyForNodeType(mapToscaDataDefinition, componentInstance);

				MapCapabiltyProperty mapCapabiltyProperty = ModelConverter.convertToMapOfMapCapabiltyProperties(caps, componentInstance.getUniqueId(), true);

				calcCapabilty.put(entry.getKey().getUniqueId(), capMap);
				calculatedCapabilitiesProperties.put(entry.getKey().getUniqueId(), mapCapabiltyProperty);
			}
		}

		if (instReg != null) {
			for (Entry<ComponentInstance, Map<String, List<RequirementDefinition>>> entry : instReg.entrySet()) {

				Map<String, List<RequirementDefinition>> req = entry.getValue();
				Map<String, ListRequirementDataDefinition> mapToscaDataDefinition = new HashMap<>();
				for (Entry<String, List<RequirementDefinition>> instReq : req.entrySet()) {
					mapToscaDataDefinition.put(instReq.getKey(), new ListRequirementDataDefinition(instReq.getValue().stream().map(iCap -> new RequirementDataDefinition(iCap)).collect(Collectors.toList())));
				}

				MapListRequirementDataDefinition capMap = nodeTemplateOperation.prepareCalculatedRequirementForNodeType(mapToscaDataDefinition, new ComponentInstanceDataDefinition(entry.getKey()));

				calcRequirements.put(entry.getKey().getUniqueId(), capMap);
			}
		}

		StorageOperationStatus status = topologyTemplateOperation.associateCalcCapReqToComponent(vertex, calcRequirements, calcCapabilty, calculatedCapabilitiesProperties);

		return status;
	}

	private Either<List<Component>, StorageOperationStatus> getLatestVersionNotAbstractToscaElementsMetadataOnly(boolean isAbstract, Boolean isHighest, ComponentTypeEnum componentTypeEnum, String internalComponentType, VertexTypeEnum vertexType) {

		Map<GraphPropertyEnum, Object> hasProps = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> hasNotProps = new EnumMap<>(GraphPropertyEnum.class);

		fillPropsMap(hasProps, hasNotProps, internalComponentType, componentTypeEnum, isAbstract, vertexType);

		Either<List<GraphVertex>, TitanOperationStatus> getRes = titanDao.getByCriteria(vertexType, hasProps, hasNotProps, JsonParseFlagEnum.ParseMetadata);
		if (getRes.isRight()) {
			if (getRes.right().value().equals(TitanOperationStatus.NOT_FOUND)) {
				return Either.left(new ArrayList<>());
			} else {
				return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getRes.right().value()));
			}
		} else {
			List<Component> nonAbstractLatestComponents = new ArrayList<>();
			ComponentParametersView params = new ComponentParametersView(true);
			params.setIgnoreAllVersions(false);
			for (GraphVertex vertexComponent : getRes.left().value()) {
				Either<ToscaElement, StorageOperationStatus> componentRes = topologyTemplateOperation.getLightComponent(vertexComponent, componentTypeEnum, params);
				if (componentRes.isRight()) {
					log.debug("Failed to fetch ligth element for {} error {}", vertexComponent.getUniqueId(), componentRes.right().value());
					return Either.right(componentRes.right().value());
				} else {
					Component component = ModelConverter.convertFromToscaElement(componentRes.left().value());

					nonAbstractLatestComponents.add(component);
				}
			}

			return Either.left(nonAbstractLatestComponents);
		}
	}

	public Either<ComponentMetadataData, StorageOperationStatus> getLatestComponentMetadataByUuid(String componentUuid, JsonParseFlagEnum parseFlag, Boolean isHighest) {

		Either<ComponentMetadataData, StorageOperationStatus> result;

		Map<GraphPropertyEnum, Object> hasProperties = new EnumMap<>(GraphPropertyEnum.class);

		hasProperties.put(GraphPropertyEnum.UUID, componentUuid);
		if (isHighest != null) {
			hasProperties.put(GraphPropertyEnum.IS_HIGHEST_VERSION, isHighest.booleanValue());
		}

		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);
		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> getRes = titanDao.getByCriteria(null, hasProperties, propertiesNotToMatch, parseFlag);
		if (getRes.isRight()) {
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getRes.right().value()));
		} else {
			List<ComponentMetadataData> latestVersionList = getRes.left().value().stream().map(ModelConverter::convertToComponentMetadata).collect(Collectors.toList());
			ComponentMetadataData latestVersion = latestVersionList.size() == 1 ? latestVersionList.get(0)
					: latestVersionList.stream().max((c1, c2) -> Double.compare(Double.parseDouble(c1.getMetadataDataDefinition().getVersion()), Double.parseDouble(c2.getMetadataDataDefinition().getVersion()))).get();
			result = Either.left(latestVersion);
		}
		return result;
	}

	public Either<ComponentMetadataData, StorageOperationStatus> getComponentMetadata(String componentId) {

		Either<ComponentMetadataData, StorageOperationStatus> result;
		Either<GraphVertex, TitanOperationStatus> getRes = titanDao.getVertexById(componentId, JsonParseFlagEnum.ParseMetadata);
		if (getRes.isRight()) {
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getRes.right().value()));
		} else {
			ComponentMetadataData componentMetadata = ModelConverter.convertToComponentMetadata(getRes.left().value());
			result = Either.left(componentMetadata);
		}
		return result;
	}

	private Map<String, ComponentMetadataData> findLatestVersion(List<ComponentMetadataData> resourceDataList) {
		Map<Pair<String, String>, ComponentMetadataData> latestVersionMap = new HashMap<Pair<String, String>, ComponentMetadataData>();
		for (ComponentMetadataData resourceData : resourceDataList) {
			ComponentMetadataData latestVersionData = resourceData;

			ComponentMetadataDataDefinition metadataDataDefinition = resourceData.getMetadataDataDefinition();
			Pair<String, String> pair = createKeyPair(latestVersionData);
			if (latestVersionMap.containsKey(pair)) {
				latestVersionData = latestVersionMap.get(pair);
				String currentVersion = latestVersionData.getMetadataDataDefinition().getVersion();
				String newVersion = metadataDataDefinition.getVersion();
				if (CommonBeUtils.compareAsdcComponentVersions(newVersion, currentVersion)) {
					latestVersionData = resourceData;
				}
			}
			if (log.isDebugEnabled())
				log.debug("last certified version of resource = {}  version is {}", latestVersionData.getMetadataDataDefinition().getName(), latestVersionData.getMetadataDataDefinition().getVersion());

			latestVersionMap.put(pair, latestVersionData);
		}

		Map<String, ComponentMetadataData> resVersionMap = new HashMap<String, ComponentMetadataData>();
		for (ComponentMetadataData resourceData : latestVersionMap.values()) {
			ComponentMetadataData latestVersionData = resourceData;
			ComponentMetadataDataDefinition metadataDataDefinition = resourceData.getMetadataDataDefinition();
			if (resVersionMap.containsKey(metadataDataDefinition.getUUID())) {
				latestVersionData = resVersionMap.get(metadataDataDefinition.getUUID());
				String currentVersion = latestVersionData.getMetadataDataDefinition().getVersion();
				String newVersion = metadataDataDefinition.getVersion();
				if (CommonBeUtils.compareAsdcComponentVersions(newVersion, currentVersion)) {
					latestVersionData = resourceData;
				}
			}
			if (log.isDebugEnabled())
				log.debug("last uuid version of resource = {}  version is {}", latestVersionData.getMetadataDataDefinition().getName(), latestVersionData.getMetadataDataDefinition().getVersion());
			resVersionMap.put(latestVersionData.getMetadataDataDefinition().getUUID(), latestVersionData);
		}

		return resVersionMap;
	}

	private Pair<String, String> createKeyPair(ComponentMetadataData metadataData) {
		Pair<String, String> pair;
		NodeTypeEnum label = NodeTypeEnum.getByName(metadataData.getLabel());
		switch (label) {
		case Resource:
			pair = new ImmutablePair<>(metadataData.getMetadataDataDefinition().getName(), ((ResourceMetadataDataDefinition) metadataData.getMetadataDataDefinition()).getResourceType().name());
			break;
		default:
			pair = new ImmutablePair<>(metadataData.getMetadataDataDefinition().getName(), metadataData.getLabel());
			break;
		}

		return pair;
	}

	public Either<List<Component>, StorageOperationStatus> getLatestVersionNotAbstractComponents(boolean isAbstract, Boolean isHighest, ComponentTypeEnum componentTypeEnum, String internalComponentType, List<String> componentUids) {

		Either<List<Component>, StorageOperationStatus> result = null;
		List<Component> components = new ArrayList<>();
		if (componentUids == null) {
			Either<List<String>, StorageOperationStatus> componentUidsRes = getComponentUids(isAbstract, isHighest, componentTypeEnum, internalComponentType, componentUids);
			if (componentUidsRes.isRight()) {
				result = Either.right(componentUidsRes.right().value());
			} else {
				componentUids = componentUidsRes.left().value();
			}
		}
		if (!componentUids.isEmpty()) {
			for (String componentUid : componentUids) {
				ComponentParametersView componentParametersView = buildComponentViewForNotAbstract();
				if (internalComponentType != null && "vl".equalsIgnoreCase(internalComponentType)) {
					componentParametersView.setIgnoreCapabilities(false);
					componentParametersView.setIgnoreRequirements(false);
				}
				Either<ToscaElement, StorageOperationStatus> getToscaElementRes = nodeTemplateOperation.getToscaElementOperation(componentTypeEnum).getLightComponent(componentUid, componentTypeEnum, componentParametersView);
				if (getToscaElementRes.isRight()) {
					if (log.isDebugEnabled())
						log.debug("Failed to fetch resource for error is {}", getToscaElementRes.right().value());
					result = Either.right(getToscaElementRes.right().value());
					break;
				}
				Component component = ModelConverter.convertFromToscaElement(getToscaElementRes.left().value());
				component.setContactId(null);
				component.setCreationDate(null);
				component.setCreatorUserId(null);
				component.setCreatorFullName(null);
				component.setLastUpdateDate(null);
				component.setLastUpdaterUserId(null);
				component.setLastUpdaterFullName(null);
				component.setNormalizedName(null);
				components.add(component);
			}
		}
		if (result == null) {
			result = Either.left(components);
		}
		return result;
	}

	private Either<List<String>, StorageOperationStatus> getComponentUids(boolean isAbstract, Boolean isHighest, ComponentTypeEnum componentTypeEnum, String internalComponentType, List<String> componentUids) {

		Either<List<String>, StorageOperationStatus> result = null;
		Either<List<Component>, StorageOperationStatus> getToscaElementsRes = getLatestVersionNotAbstractMetadataOnly(isAbstract, isHighest, componentTypeEnum, internalComponentType);
		if (getToscaElementsRes.isRight()) {
			result = Either.right(getToscaElementsRes.right().value());
		} else {
			List<Component> collection = getToscaElementsRes.left().value();
			if (collection == null) {
				componentUids = new ArrayList<>();
			} else {
				componentUids = collection.stream().map(p -> p.getUniqueId()).collect(Collectors.toList());
			}
		}
		if (result == null) {
			result = Either.left(componentUids);
		}
		return result;
	}

	private ComponentParametersView buildComponentViewForNotAbstract() {
		ComponentParametersView componentParametersView = new ComponentParametersView();
		componentParametersView.disableAll();
		componentParametersView.setIgnoreCategories(false);
		componentParametersView.setIgnoreAllVersions(false);
		return componentParametersView;
	}

	public Either<Boolean, StorageOperationStatus> validateComponentNameExists(String name, ResourceTypeEnum resourceType, ComponentTypeEnum componentType) {
		Either<Boolean, StorageOperationStatus> result = validateComponentNameUniqueness(name, resourceType, componentType);
		if (result.isLeft()) {
			result = Either.left(!result.left().value());
		}
		return result;
	}

	public Either<Boolean, StorageOperationStatus> validateComponentNameUniqueness(String name, ResourceTypeEnum resourceType, ComponentTypeEnum componentType) {
		VertexTypeEnum vertexType = getVertexTypeByComponentAndResourceTypeEnum(resourceType, componentType);
		String normalizedName = ValidationUtils.normaliseComponentName(name);
		Map<GraphPropertyEnum, Object> properties = new EnumMap<>(GraphPropertyEnum.class);
		properties.put(GraphPropertyEnum.NORMALIZED_NAME, normalizedName);
		properties.put(GraphPropertyEnum.COMPONENT_TYPE, componentType.name());

		Either<List<GraphVertex>, TitanOperationStatus> vertexEither = titanDao.getByCriteria(vertexType, properties, JsonParseFlagEnum.NoParse);
		if (vertexEither.isRight() && vertexEither.right().value() != TitanOperationStatus.NOT_FOUND) {
			log.debug("failed to get vertex from graph with property normalizedName: {}", normalizedName);
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(vertexEither.right().value()));
		}
		List<GraphVertex> vertexList = vertexEither.isLeft() ? vertexEither.left().value() : null;
		if (vertexList != null && !vertexList.isEmpty()) {
			return Either.left(false);
		} else {
			return Either.left(true);
		}
	}

	// UI query parameter is either VFC/CP/VL(for yaml upload/update) or VF (for CSAR upload/user composed VF)
	// TODO implementation of topology template VFCs may require updating this method - depending on UI implementation
	private VertexTypeEnum getVertexTypeByComponentAndResourceTypeEnum(ResourceTypeEnum resourceType, ComponentTypeEnum componentType) {
		VertexTypeEnum vertexType = VertexTypeEnum.TOPOLOGY_TEMPLATE;
		if (ComponentTypeEnum.RESOURCE == componentType && ResourceTypeEnum.VF != resourceType) {
			vertexType = VertexTypeEnum.NODE_TYPE;
		}
		return vertexType;
	}

	private void fillNodeTypePropsMap(Map<GraphPropertyEnum, Object> hasProps, Map<GraphPropertyEnum, Object> hasNotProps, String internalComponentType) {
		switch (internalComponentType.toLowerCase()) {
		case "vf":
			hasNotProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.VF.name());
			hasNotProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.VFCMT.name());
			break;
		case "service":
			hasNotProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.VFC.name());
			hasNotProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.VFCMT.name());
			break;
		case "vl":
			hasProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.VL.name());
			break;
		default:
			break;
		}
	}

	private void fillTopologyTemplatePropsMap(Map<GraphPropertyEnum, Object> hasProps, ComponentTypeEnum componentTypeEnum) {
		switch (componentTypeEnum) {
		case RESOURCE:
			hasProps.put(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.RESOURCE.name());
			break;
		case SERVICE:
			hasProps.put(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.SERVICE.name());
			break;
		default:
			break;
		}
	}

	private void fillPropsMap(Map<GraphPropertyEnum, Object> hasProps, Map<GraphPropertyEnum, Object> hasNotProps, String internalComponentType, ComponentTypeEnum componentTypeEnum, boolean isAbstract, VertexTypeEnum internalVertexType) {
		hasNotProps.put(GraphPropertyEnum.STATE, LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT.name());

		hasNotProps.put(GraphPropertyEnum.IS_DELETED, true);
		hasProps.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
		if (VertexTypeEnum.NODE_TYPE == internalVertexType) {
			hasProps.put(GraphPropertyEnum.IS_ABSTRACT, isAbstract);
			if (internalComponentType != null) {
				fillNodeTypePropsMap(hasProps, hasNotProps, internalComponentType);
			}
		} else {
			fillTopologyTemplatePropsMap(hasProps, componentTypeEnum);
		}
	}

	private List<VertexTypeEnum> getInternalVertexTypes(ComponentTypeEnum componentTypeEnum, String internalComponentType) {
		List<VertexTypeEnum> internalVertexTypes = new ArrayList<>();
		if (ComponentTypeEnum.RESOURCE == componentTypeEnum) {
			internalVertexTypes.add(VertexTypeEnum.NODE_TYPE);
		}
		if (ComponentTypeEnum.SERVICE == componentTypeEnum || "service".equalsIgnoreCase(internalComponentType)) {
			internalVertexTypes.add(VertexTypeEnum.TOPOLOGY_TEMPLATE);
		}
		return internalVertexTypes;
	}

	public Either<List<Component>, StorageOperationStatus> getLatestVersionNotAbstractMetadataOnly(boolean isAbstract, Boolean isHighest, ComponentTypeEnum componentTypeEnum, String internalComponentType) {
		List<VertexTypeEnum> internalVertexTypes = getInternalVertexTypes(componentTypeEnum, internalComponentType);
		List<Component> result = new ArrayList<>();
		for (VertexTypeEnum vertexType : internalVertexTypes) {
			Either<List<Component>, StorageOperationStatus> listByVertexType = getLatestVersionNotAbstractToscaElementsMetadataOnly(isAbstract, isHighest, componentTypeEnum, internalComponentType, vertexType);
			if (listByVertexType.isRight()) {
				return listByVertexType;
			}
			result.addAll(listByVertexType.left().value());
		}
		return Either.left(result);

	}

	public Either<List<Component>, StorageOperationStatus> getLatestComponentListByUuid(String componentUuid) {
		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		propertiesToMatch.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
		Either<List<Component>, StorageOperationStatus> componentListByUuid = getComponentListByUuid(componentUuid, propertiesToMatch);
		return componentListByUuid;
	}

	public Either<List<Component>, StorageOperationStatus> getComponentListByUuid(String componentUuid, Map<GraphPropertyEnum, Object> additionalPropertiesToMatch) {

		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);

		if (additionalPropertiesToMatch != null) {
			propertiesToMatch.putAll(additionalPropertiesToMatch);
		}

		propertiesToMatch.put(GraphPropertyEnum.UUID, componentUuid);

		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);
		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> vertexEither = titanDao.getByCriteria(null, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseAll);

		if (vertexEither.isRight()) {
			log.debug("Couldn't fetch metadata for component with type {} and uuid {}, error: {}", componentUuid, vertexEither.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(vertexEither.right().value()));
		}
		List<GraphVertex> vertexList = vertexEither.isLeft() ? vertexEither.left().value() : null;

		if (vertexList == null || vertexList.isEmpty()) {
			log.debug("Component with uuid {} was not found", componentUuid);
			return Either.right(StorageOperationStatus.NOT_FOUND);
		}

		ArrayList<Component> latestComponents = new ArrayList<>();
		for (GraphVertex vertex : vertexList) {
			Either<Component, StorageOperationStatus> toscaElementByOperation = getToscaElementByOperation(vertex);
			
			if(toscaElementByOperation.isRight()){
				log.debug("Could not fetch the following Component by UUID {}", vertex.getUniqueId());
				return Either.right(toscaElementByOperation.right().value());
			}
			
			latestComponents.add(toscaElementByOperation.left().value());
		}
		
		if(latestComponents.size() > 1) {
			for (Component component : latestComponents) {
				if(component.isHighestVersion()){
					LinkedList<Component> highestComponent = new LinkedList<>();
					highestComponent.add(component);
					return Either.left(highestComponent);
				}
			}
		}
		
		return Either.left(latestComponents);
	}

	public Either<Component, StorageOperationStatus> getLatestComponentByUuid(String componentUuid) {

		Either<List<Component>, StorageOperationStatus> latestVersionListEither = getLatestComponentListByUuid(componentUuid);

		if (latestVersionListEither.isRight()) {
			return Either.right(latestVersionListEither.right().value());
		}

		List<Component> latestVersionList = latestVersionListEither.left().value();

		if (latestVersionList.isEmpty()) {
			return Either.right(StorageOperationStatus.NOT_FOUND);
		}
		Component component = latestVersionList.size() == 1 ? latestVersionList.get(0) : latestVersionList.stream().max((c1, c2) -> Double.compare(Double.parseDouble(c1.getVersion()), Double.parseDouble(c2.getVersion()))).get();

		return Either.left(component);
	}

	public Either<List<Resource>, StorageOperationStatus> getAllCertifiedResources(boolean isAbstract, Boolean isHighest) {

		List<Resource> resources = new ArrayList<>();
		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);

		propertiesToMatch.put(GraphPropertyEnum.IS_ABSTRACT, isAbstract);
		if (isHighest != null) {
			propertiesToMatch.put(GraphPropertyEnum.IS_HIGHEST_VERSION, isHighest.booleanValue());
		}
		propertiesToMatch.put(GraphPropertyEnum.STATE, LifecycleStateEnum.CERTIFIED.name());
		propertiesToMatch.put(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.RESOURCE.name());
		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> getResourcesRes = titanDao.getByCriteria(null, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseAll);

		if (getResourcesRes.isRight()) {
			log.debug("Failed to fetch all certified resources. Status is {}", getResourcesRes.right().value());
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getResourcesRes.right().value()));
		}
		List<GraphVertex> resourceVerticies = getResourcesRes.left().value();
		for (GraphVertex resourceV : resourceVerticies) {
			Either<Resource, StorageOperationStatus> getResourceRes = getToscaElement(resourceV);
			if (getResourceRes.isRight()) {
				return Either.right(getResourceRes.right().value());
			}
			resources.add(getResourceRes.left().value());
		}
		return Either.left(resources);
	}

	public <T extends Component> Either<T, StorageOperationStatus> getLatestByNameAndVersion(String name, String version, JsonParseFlagEnum parseFlag) {
		Either<T, StorageOperationStatus> result;

		Map<GraphPropertyEnum, Object> hasProperties = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> hasNotProperties = new EnumMap<>(GraphPropertyEnum.class);

		hasProperties.put(GraphPropertyEnum.NAME, name);
		hasProperties.put(GraphPropertyEnum.VERSION, version);
		hasProperties.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);

		hasNotProperties.put(GraphPropertyEnum.IS_DELETED, true);

		Either<List<GraphVertex>, TitanOperationStatus> getResourceRes = titanDao.getByCriteria(null, hasProperties, hasNotProperties, parseFlag);
		if (getResourceRes.isRight()) {
			TitanOperationStatus status = getResourceRes.right().value();
			log.debug("failed to find resource with name {}, version {}. Status is {} ", name, version, status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
			return result;
		}
		return getToscaElementByOperation(getResourceRes.left().value().get(0));
	}

	public Either<Resource, StorageOperationStatus> getLatestComponentByCsarOrName(ComponentTypeEnum componentType, String csarUUID, String systemName) {
		return getLatestComponentByCsarOrName(componentType, csarUUID, systemName, false, JsonParseFlagEnum.ParseAll);
	}

	public Either<Resource, StorageOperationStatus> getLatestComponentByCsarOrName(ComponentTypeEnum componentType, String csarUUID, String systemName, boolean allowDeleted, JsonParseFlagEnum parseFlag) {
		Map<GraphPropertyEnum, Object> props = new EnumMap<>(GraphPropertyEnum.class);
		props.put(GraphPropertyEnum.CSAR_UUID, csarUUID);
		props.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
		if (componentType != null) {
			props.put(GraphPropertyEnum.COMPONENT_TYPE, componentType.name());
		}
		Map<GraphPropertyEnum, Object> propsHasNot = new EnumMap<>(GraphPropertyEnum.class);
		propsHasNot.put(GraphPropertyEnum.IS_DELETED, true);

		GraphVertex resourceMetadataData = null;
		List<GraphVertex> resourceMetadataDataList = null;
		Either<List<GraphVertex>, TitanOperationStatus> byCsar = titanDao.getByCriteria(null, props, propsHasNot, JsonParseFlagEnum.ParseMetadata);
		if (byCsar.isRight()) {
			if (TitanOperationStatus.NOT_FOUND == byCsar.right().value()) {
				// Fix Defect DE256036
				if (StringUtils.isEmpty(systemName)) {
					return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(TitanOperationStatus.NOT_FOUND));
				}

				props.clear();
				props.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
				props.put(GraphPropertyEnum.SYSTEM_NAME, systemName);
				Either<List<GraphVertex>, TitanOperationStatus> bySystemname = titanDao.getByCriteria(null, props, JsonParseFlagEnum.ParseMetadata);
				if (bySystemname.isRight()) {
					log.debug("getLatestResourceByCsarOrName - Failed to find by system name {}  error {} ", systemName, bySystemname.right().value());
					return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(bySystemname.right().value()));
				}
				if (bySystemname.left().value().size() > 2) {
					log.debug("getLatestResourceByCsarOrName - getByCriteria(by system name) must return only 2 latest version, but was returned - {}", bySystemname.left().value().size());
					return Either.right(StorageOperationStatus.GENERAL_ERROR);
				}
				resourceMetadataDataList = bySystemname.left().value();
				if (resourceMetadataDataList.size() == 1) {
					resourceMetadataData = resourceMetadataDataList.get(0);
				} else {
					for (GraphVertex curResource : resourceMetadataDataList) {
						if (!((String) curResource.getJsonMetadataField(JsonPresentationFields.LIFECYCLE_STATE)).equals("CERTIFIED")) {
							resourceMetadataData = curResource;
							break;
						}
					}
				}
				if (resourceMetadataData == null) {
					log.debug("getLatestResourceByCsarOrName - getByCriteria(by system name) returned 2 latest CERTIFIED versions");
					return Either.right(StorageOperationStatus.GENERAL_ERROR);
				}
				if (resourceMetadataData.getJsonMetadataField(JsonPresentationFields.CSAR_UUID) != null && !((String) resourceMetadataData.getJsonMetadataField(JsonPresentationFields.CSAR_UUID)).equals(csarUUID)) {
					log.debug("getLatestResourceByCsarOrName - same system name {} but different csarUUID. exist {} and new {} ", systemName, resourceMetadataData.getJsonMetadataField(JsonPresentationFields.CSAR_UUID), csarUUID);
					// correct error will be returned from create flow. with all
					// correct audit records!!!!!
					return Either.right(StorageOperationStatus.NOT_FOUND);
				}
				Either<Resource, StorageOperationStatus> resource = getToscaElement((String) resourceMetadataData.getUniqueId());
				return resource;
			}
		} else {
			resourceMetadataDataList = byCsar.left().value();
			if (resourceMetadataDataList.size() > 2) {
				log.debug("getLatestResourceByCsarOrName - getByCriteria(by csar) must return only 2 latest version, but was returned - {}", byCsar.left().value().size());
				return Either.right(StorageOperationStatus.GENERAL_ERROR);
			}
			if (resourceMetadataDataList.size() == 1) {
				resourceMetadataData = resourceMetadataDataList.get(0);
			} else {
				for (GraphVertex curResource : resourceMetadataDataList) {
					if (!((String) curResource.getJsonMetadataField(JsonPresentationFields.LIFECYCLE_STATE)).equals("CERTIFIED")) {
						resourceMetadataData = curResource;
						break;
					}
				}
			}
			if (resourceMetadataData == null) {
				log.debug("getLatestResourceByCsarOrName - getByCriteria(by csar) returned 2 latest CERTIFIED versions");
				return Either.right(StorageOperationStatus.GENERAL_ERROR);
			}
			Either<Resource, StorageOperationStatus> resource = getToscaElement((String) resourceMetadataData.getJsonMetadataField(JsonPresentationFields.UNIQUE_ID), parseFlag);
			return resource;
		}
		return null;
	}

	public Either<Boolean, StorageOperationStatus> validateToscaResourceNameExtends(String templateNameCurrent, String templateNameExtends) {

		String currentTemplateNameChecked = templateNameExtends;

		while (currentTemplateNameChecked != null && !currentTemplateNameChecked.equalsIgnoreCase(templateNameCurrent)) {
			Either<Resource, StorageOperationStatus> latestByToscaResourceName = getLatestByToscaResourceName(currentTemplateNameChecked);

			if (latestByToscaResourceName.isRight()) {
				return latestByToscaResourceName.right().value() == StorageOperationStatus.NOT_FOUND ? Either.left(false) : Either.right(latestByToscaResourceName.right().value());
			}

			Resource value = latestByToscaResourceName.left().value();

			if (value.getDerivedFrom() != null) {
				currentTemplateNameChecked = value.getDerivedFrom().get(0);
			} else {
				currentTemplateNameChecked = null;
			}
		}

		return (currentTemplateNameChecked != null && currentTemplateNameChecked.equalsIgnoreCase(templateNameCurrent)) ? Either.left(true) : Either.left(false);
	}

	public Either<List<Component>, StorageOperationStatus> fetchByResourceType(String resourceType) {

		Map<GraphPropertyEnum, Object> props = new EnumMap<>(GraphPropertyEnum.class);
		props.put(GraphPropertyEnum.RESOURCE_TYPE, resourceType);
		props.put(GraphPropertyEnum.IS_HIGHEST_VERSION, true);
		Either<List<GraphVertex>, TitanOperationStatus> resourcesByTypeEither = titanDao.getByCriteria(null, props);

		if (resourcesByTypeEither.isRight()) {
			return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(resourcesByTypeEither.right().value()));
		}

		List<GraphVertex> vertexList = resourcesByTypeEither.left().value();
		List<Component> components = new ArrayList<>();

		for (GraphVertex vertex : vertexList) {
			components.add(getToscaElementByOperation(vertex).left().value());
		}

		return Either.left(components);

	}

	public void commit() {
		titanDao.commit();
	}

	public Either<Service, StorageOperationStatus> updateDistributionStatus(Service service, User user, DistributionStatusEnum distributionStatus) {
		Either<GraphVertex, StorageOperationStatus> updateDistributionStatus = topologyTemplateOperation.updateDistributionStatus(service.getUniqueId(), user, distributionStatus);
		if (updateDistributionStatus.isRight()) {
			return Either.right(updateDistributionStatus.right().value());
		}
		GraphVertex serviceV = updateDistributionStatus.left().value();
		service.setDistributionStatus(distributionStatus);
		service.setLastUpdateDate((Long) serviceV.getJsonMetadataField(JsonPresentationFields.LAST_UPDATE_DATE));
		return Either.left(service);
	}

	public Either<ComponentMetadataData, StorageOperationStatus> updateComponentLastUpdateDateOnGraph(Component component, Long modificationTime) {

		Either<ComponentMetadataData, StorageOperationStatus> result = null;
		GraphVertex serviceVertex;
		Either<GraphVertex, TitanOperationStatus> updateRes = null;
		Either<GraphVertex, TitanOperationStatus> getRes = titanDao.getVertexById(component.getUniqueId(), JsonParseFlagEnum.ParseMetadata);
		if (getRes.isRight()) {
			TitanOperationStatus status = getRes.right().value();
			log.error("Failed to fetch component {}. status is {}", component.getUniqueId(), status);
			result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(status));
		}
		if (result == null) {
			serviceVertex = getRes.left().value();
			long lastUpdateDate = System.currentTimeMillis();
			serviceVertex.setJsonMetadataField(JsonPresentationFields.LAST_UPDATE_DATE, lastUpdateDate);
			component.setLastUpdateDate(lastUpdateDate);
			updateRes = titanDao.updateVertex(serviceVertex);
			if (updateRes.isRight()) {
				result = Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(updateRes.right().value()));
			}
		}
		if (result == null) {
			result = Either.left(ModelConverter.convertToComponentMetadata(updateRes.left().value()));
		}
		return result;
	}

	public TitanDao getTitanDao() {
		return titanDao;
	}

	public Either<List<Service>, StorageOperationStatus> getCertifiedServicesWithDistStatus(Set<DistributionStatusEnum> distStatus) {
		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		propertiesToMatch.put(GraphPropertyEnum.STATE, LifecycleStateEnum.CERTIFIED.name());

		return getServicesWithDistStatus(distStatus, propertiesToMatch);
	}

	public Either<List<Service>, StorageOperationStatus> getServicesWithDistStatus(Set<DistributionStatusEnum> distStatus, Map<GraphPropertyEnum, Object> additionalPropertiesToMatch) {

		List<Service> servicesAll = new ArrayList<>();

		Map<GraphPropertyEnum, Object> propertiesToMatch = new EnumMap<>(GraphPropertyEnum.class);
		Map<GraphPropertyEnum, Object> propertiesNotToMatch = new EnumMap<>(GraphPropertyEnum.class);

		if (additionalPropertiesToMatch != null && !additionalPropertiesToMatch.isEmpty()) {
			propertiesToMatch.putAll(additionalPropertiesToMatch);
		}

		propertiesToMatch.put(GraphPropertyEnum.COMPONENT_TYPE, ComponentTypeEnum.SERVICE.name());

		propertiesNotToMatch.put(GraphPropertyEnum.IS_DELETED, true);

		if (distStatus != null && !distStatus.isEmpty()) {
			for (DistributionStatusEnum state : distStatus) {
				propertiesToMatch.put(GraphPropertyEnum.DISTRIBUTION_STATUS, state.name());
				Either<List<Service>, StorageOperationStatus> fetchServicesByCriteria = fetchServicesByCriteria(servicesAll, propertiesToMatch, propertiesNotToMatch);
				if (fetchServicesByCriteria.isRight()) {
					return fetchServicesByCriteria;
				} else {
					servicesAll = fetchServicesByCriteria.left().value();
				}
			}
			return Either.left(servicesAll);
		} else {
			return fetchServicesByCriteria(servicesAll, propertiesToMatch, propertiesNotToMatch);
		}
	}

	// private Either<List<Service>, StorageOperationStatus> fetchServicesByCriteria(List<Service> servicesAll, Map<GraphPropertyEnum, Object> propertiesToMatch, Map<GraphPropertyEnum, Object> propertiesNotToMatch) {
	// Either<List<GraphVertex>, TitanOperationStatus> getRes = titanDao.getByCriteria(VertexTypeEnum.TOPOLOGY_TEMPLATE, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseAll);
	// if (getRes.isRight()) {
	// if (getRes.right().value() != TitanOperationStatus.NOT_FOUND) {
	// CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch certified services by match properties {} not match properties {} . Status is {}. ", propertiesToMatch, propertiesNotToMatch, getRes.right().value());
	// return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getRes.right().value()));
	// }
	// } else {
	// for (GraphVertex vertex : getRes.left().value()) {
	// Either<Component, StorageOperationStatus> getServiceRes = getToscaElementByOperation(vertex);
	// if (getServiceRes.isRight()) {
	// CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch certified service {}. Status is {}. ", vertex.getJsonMetadataField(JsonPresentationFields.NAME), getServiceRes.right().value());
	// return Either.right(getServiceRes.right().value());
	// } else {
	// servicesAll.add((Service) getToscaElementByOperation(vertex).left().value());
	// }
	// }
	// }
	// return Either.left(servicesAll);
	// }

	private Either<List<Service>, StorageOperationStatus> fetchServicesByCriteria(List<Service> servicesAll, Map<GraphPropertyEnum, Object> propertiesToMatch, Map<GraphPropertyEnum, Object> propertiesNotToMatch) {
		Either<List<GraphVertex>, TitanOperationStatus> getRes = titanDao.getByCriteria(VertexTypeEnum.TOPOLOGY_TEMPLATE, propertiesToMatch, propertiesNotToMatch, JsonParseFlagEnum.ParseAll);
		if (getRes.isRight()) {
			if (getRes.right().value() != TitanOperationStatus.NOT_FOUND) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch certified services by match properties {} not match properties {} . Status is {}. ", propertiesToMatch, propertiesNotToMatch, getRes.right().value());
				return Either.right(DaoStatusConverter.convertTitanStatusToStorageStatus(getRes.right().value()));
			}
		} else {
			for (GraphVertex vertex : getRes.left().value()) {
				// Either<Component, StorageOperationStatus> getServiceRes = getToscaElementByOperation(vertex);
				Either<ToscaElement, StorageOperationStatus> getServiceRes = topologyTemplateOperation.getLightComponent(vertex, ComponentTypeEnum.SERVICE, new ComponentParametersView(true));

				if (getServiceRes.isRight()) {
					CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to fetch certified service {}. Status is {}. ", vertex.getJsonMetadataField(JsonPresentationFields.NAME), getServiceRes.right().value());
					return Either.right(getServiceRes.right().value());
				} else {
					servicesAll.add(ModelConverter.convertFromToscaElement(getServiceRes.left().value()));
				}
			}
		}
		return Either.left(servicesAll);
	}

	public void rollback() {
		titanDao.rollback();
	}

	public StorageOperationStatus addDeploymentArtifactsToInstance(String componentId, ComponentInstance componentInstance, Map<String, ArtifactDefinition> finalDeploymentArtifacts) {
		Map<String, ArtifactDataDefinition> instDeplArtifacts = finalDeploymentArtifacts.entrySet().stream().collect(Collectors.toMap(Map.Entry::getKey, e -> new ArtifactDataDefinition(e.getValue())));

		return nodeTemplateOperation.addDeploymentArtifactsToInstance(componentId, componentInstance.getUniqueId(), instDeplArtifacts);
	}

	public StorageOperationStatus generateCustomizationUUIDOnInstance(String componentId, String instanceId) {
		return nodeTemplateOperation.generateCustomizationUUIDOnInstance(componentId, instanceId);
	}

	public StorageOperationStatus generateCustomizationUUIDOnInstanceGroup(String componentId, String instanceId, List<String> groupInstances) {
		return nodeTemplateOperation.generateCustomizationUUIDOnInstanceGroup(componentId, instanceId, groupInstances);
	}

	public Either<PropertyDefinition, StorageOperationStatus> addPropertyToResource(String propertyName, PropertyDefinition newPropertyDefinition, Resource resource) {

		Either<PropertyDefinition, StorageOperationStatus> result = null;
		Either<Component, StorageOperationStatus> getUpdatedComponentRes = null;
		newPropertyDefinition.setName(propertyName);
		newPropertyDefinition.setParentUniqueId(resource.getUniqueId());
		StorageOperationStatus status = getToscaElementOperation(resource).addToscaDataToToscaElement(resource.getUniqueId(), EdgeLabelEnum.PROPERTIES, VertexTypeEnum.PROPERTIES, newPropertyDefinition, JsonPresentationFields.NAME);
		if (status != StorageOperationStatus.OK) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to add the property {} to the resource {}. Status is {}. ", propertyName, resource.getName(), status);
			result = Either.right(status);
		}
		if (result == null) {
			ComponentParametersView filter = new ComponentParametersView(true);
			filter.setIgnoreProperties(false);
			getUpdatedComponentRes = getToscaElement(resource.getUniqueId(), filter);
			if (getUpdatedComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to get updated resource {}. Status is {}. ", resource.getUniqueId(), getUpdatedComponentRes.right().value());
				result = Either.right(status);
			}
		}
		if (result == null) {
			PropertyDefinition newProperty = null;
			List<PropertyDefinition> properties = ((Resource) getUpdatedComponentRes.left().value()).getProperties();
			if (CollectionUtils.isNotEmpty(properties)) {
				Optional<PropertyDefinition> newPropertyOptional = properties.stream().filter(p -> p.getName().equals(propertyName)).findAny();
				if (newPropertyOptional.isPresent()) {
					newProperty = newPropertyOptional.get();
				}
			}
			if (newProperty == null) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to find recently added property {} on the resource {}. Status is {}. ", propertyName, resource.getUniqueId(), StorageOperationStatus.NOT_FOUND);
				result = Either.right(StorageOperationStatus.NOT_FOUND);
			} else {
				result = Either.left(newProperty);
			}
		}
		return result;
	}

	public StorageOperationStatus deletePropertyOfResource(Resource resource, String propertyName) {
		return getToscaElementOperation(resource).deleteToscaDataElement(resource.getUniqueId(), EdgeLabelEnum.PROPERTIES, VertexTypeEnum.PROPERTIES, propertyName, JsonPresentationFields.NAME);
	}

	public StorageOperationStatus deleteAttributeOfResource(Component component, String attributeName) {
		return getToscaElementOperation(component).deleteToscaDataElement(component.getUniqueId(), EdgeLabelEnum.ATTRIBUTES, VertexTypeEnum.ATTRIBUTES, attributeName, JsonPresentationFields.NAME);
	}

	public StorageOperationStatus deleteInputOfResource(Component resource, String inputName) {
		return getToscaElementOperation(resource).deleteToscaDataElement(resource.getUniqueId(), EdgeLabelEnum.INPUTS, VertexTypeEnum.INPUTS, inputName, JsonPresentationFields.NAME);
	}

	public Either<PropertyDefinition, StorageOperationStatus> updatePropertyOfResource(Resource resource, PropertyDefinition newPropertyDefinition) {

		Either<Component, StorageOperationStatus> getUpdatedComponentRes = null;
		Either<PropertyDefinition, StorageOperationStatus> result = null;
		StorageOperationStatus status = getToscaElementOperation(resource).updateToscaDataOfToscaElement(resource.getUniqueId(), EdgeLabelEnum.PROPERTIES, VertexTypeEnum.PROPERTIES, newPropertyDefinition, JsonPresentationFields.NAME);
		if (status != StorageOperationStatus.OK) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to add the property {} to the resource {}. Status is {}. ", newPropertyDefinition.getName(), resource.getName(), status);
			result = Either.right(status);
		}
		if (result == null) {
			ComponentParametersView filter = new ComponentParametersView(true);
			filter.setIgnoreProperties(false);
			getUpdatedComponentRes = getToscaElement(resource.getUniqueId(), filter);
			if (getUpdatedComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to get updated resource {}. Status is {}. ", resource.getUniqueId(), getUpdatedComponentRes.right().value());
				result = Either.right(status);
			}
		}
		if (result == null) {
			Optional<PropertyDefinition> newProperty = ((Resource) getUpdatedComponentRes.left().value()).getProperties().stream().filter(p -> p.getName().equals(newPropertyDefinition.getName())).findAny();
			if (newProperty.isPresent()) {
				result = Either.left(newProperty.get());
			} else {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to find recently added property {} on the resource {}. Status is {}. ", newPropertyDefinition.getName(), resource.getUniqueId(), StorageOperationStatus.NOT_FOUND);
				result = Either.right(StorageOperationStatus.NOT_FOUND);
			}
		}
		return result;
	}

	public Either<PropertyDefinition, StorageOperationStatus> addAttributeOfResource(Component component, PropertyDefinition newAttributeDef) {

		Either<Component, StorageOperationStatus> getUpdatedComponentRes = null;
		Either<PropertyDefinition, StorageOperationStatus> result = null;
		if (newAttributeDef.getUniqueId() == null || newAttributeDef.getUniqueId().isEmpty()) {
			String attUniqueId = UniqueIdBuilder.buildAttributeUid(component.getUniqueId(), newAttributeDef.getName());
			newAttributeDef.setUniqueId(attUniqueId);
		}

		StorageOperationStatus status = getToscaElementOperation(component).addToscaDataToToscaElement(component.getUniqueId(), EdgeLabelEnum.ATTRIBUTES, VertexTypeEnum.ATTRIBUTES, newAttributeDef, JsonPresentationFields.NAME);
		if (status != StorageOperationStatus.OK) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to add the property {} to the resource {}. Status is {}. ", newAttributeDef.getName(), component.getName(), status);
			result = Either.right(status);
		}
		if (result == null) {
			ComponentParametersView filter = new ComponentParametersView(true);
			filter.setIgnoreAttributesFrom(false);
			getUpdatedComponentRes = getToscaElement(component.getUniqueId(), filter);
			if (getUpdatedComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to get updated resource {}. Status is {}. ", component.getUniqueId(), getUpdatedComponentRes.right().value());
				result = Either.right(status);
			}
		}
		if (result == null) {
			Optional<PropertyDefinition> newAttribute = ((Resource) getUpdatedComponentRes.left().value()).getAttributes().stream().filter(p -> p.getName().equals(newAttributeDef.getName())).findAny();
			if (newAttribute.isPresent()) {
				result = Either.left(newAttribute.get());
			} else {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to find recently added property {} on the resource {}. Status is {}. ", newAttributeDef.getName(), component.getUniqueId(), StorageOperationStatus.NOT_FOUND);
				result = Either.right(StorageOperationStatus.NOT_FOUND);
			}
		}
		return result;
	}

	public Either<PropertyDefinition, StorageOperationStatus> updateAttributeOfResource(Component component, PropertyDefinition newAttributeDef) {

		Either<Component, StorageOperationStatus> getUpdatedComponentRes = null;
		Either<PropertyDefinition, StorageOperationStatus> result = null;
		StorageOperationStatus status = getToscaElementOperation(component).updateToscaDataOfToscaElement(component.getUniqueId(), EdgeLabelEnum.ATTRIBUTES, VertexTypeEnum.ATTRIBUTES, newAttributeDef, JsonPresentationFields.NAME);
		if (status != StorageOperationStatus.OK) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to add the property {} to the resource {}. Status is {}. ", newAttributeDef.getName(), component.getName(), status);
			result = Either.right(status);
		}
		if (result == null) {
			ComponentParametersView filter = new ComponentParametersView(true);
			filter.setIgnoreAttributesFrom(false);
			getUpdatedComponentRes = getToscaElement(component.getUniqueId(), filter);
			if (getUpdatedComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to get updated resource {}. Status is {}. ", component.getUniqueId(), getUpdatedComponentRes.right().value());
				result = Either.right(status);
			}
		}
		if (result == null) {
			Optional<PropertyDefinition> newProperty = ((Resource) getUpdatedComponentRes.left().value()).getAttributes().stream().filter(p -> p.getName().equals(newAttributeDef.getName())).findAny();
			if (newProperty.isPresent()) {
				result = Either.left(newProperty.get());
			} else {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to find recently added property {} on the resource {}. Status is {}. ", newAttributeDef.getName(), component.getUniqueId(), StorageOperationStatus.NOT_FOUND);
				result = Either.right(StorageOperationStatus.NOT_FOUND);
			}
		}
		return result;
	}

	public Either<InputDefinition, StorageOperationStatus> updateInputOfComponent(Component component, InputDefinition newInputDefinition) {

		Either<Component, StorageOperationStatus> getUpdatedComponentRes = null;
		Either<InputDefinition, StorageOperationStatus> result = null;
		StorageOperationStatus status = getToscaElementOperation(component).updateToscaDataOfToscaElement(component.getUniqueId(), EdgeLabelEnum.INPUTS, VertexTypeEnum.INPUTS, newInputDefinition, JsonPresentationFields.NAME);
		if (status != StorageOperationStatus.OK) {
			CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to update the input {} to the component {}. Status is {}. ", newInputDefinition.getName(), component.getName(), status);
			result = Either.right(status);
		}
		if (result == null) {
			ComponentParametersView filter = new ComponentParametersView(true);
			filter.setIgnoreInputs(false);
			getUpdatedComponentRes = getToscaElement(component.getUniqueId(), filter);
			if (getUpdatedComponentRes.isRight()) {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to get updated resource {}. Status is {}. ", component.getUniqueId(), getUpdatedComponentRes.right().value());
				result = Either.right(status);
			}
		}
		if (result == null) {
			Optional<InputDefinition> updatedInput = getUpdatedComponentRes.left().value().getInputs().stream().filter(p -> p.getName().equals(newInputDefinition.getName())).findAny();
			if (updatedInput.isPresent()) {
				result = Either.left(updatedInput.get());
			} else {
				CommonUtility.addRecordToLog(log, LogLevelEnum.DEBUG, "Failed to find recently updated inputs {} on the resource {}. Status is {}. ", newInputDefinition.getName(), component.getUniqueId(), StorageOperationStatus.NOT_FOUND);
				result = Either.right(StorageOperationStatus.NOT_FOUND);
			}
		}
		return result;
	}

	public StorageOperationStatus addGroupInstancesToComponentInstance(Component containerComponent, ComponentInstance componentInstance, List<GroupDefinition> groups, Map<String, List<ArtifactDefinition>> groupInstancesArtifacts) {
		return nodeTemplateOperation.addGroupInstancesToComponentInstance(containerComponent, componentInstance, groups, groupInstancesArtifacts);
	}

	public Either<List<GroupDefinition>, StorageOperationStatus> updateGroupsOnComponent(Component component, ComponentTypeEnum componentType, List<GroupDataDefinition> updatedGroups) {
		return groupsOperation.updateGroups(component, componentType, updatedGroups);
	}

	public Either<List<GroupInstance>, StorageOperationStatus> updateGroupInstancesOnComponent(Component component, ComponentTypeEnum componentType, String instanceId, List<GroupInstance> updatedGroupInstances) {
		return groupsOperation.updateGroupInstances(component, componentType, instanceId, updatedGroupInstances);
	}

	public StorageOperationStatus addGroupInstancesToComponentInstance(Component containerComponent, ComponentInstance componentInstance, List<GroupInstance> groupInstances) {
		return nodeTemplateOperation.addGroupInstancesToComponentInstance(containerComponent, componentInstance, groupInstances);
	}

	public StorageOperationStatus addDeploymentArtifactsToComponentInstance(Component containerComponent, ComponentInstance componentInstance, Map<String, ArtifactDefinition> deploymentArtifacts) {
		return nodeTemplateOperation.addDeploymentArtifactsToComponentInstance(containerComponent, componentInstance, deploymentArtifacts);
	}

	public StorageOperationStatus updateComponentInstanceProperty(Component containerComponent, String componentInstanceId, ComponentInstanceProperty property) {
		return nodeTemplateOperation.updateComponentInstanceProperty(containerComponent, componentInstanceId, property);
	}

	public StorageOperationStatus addComponentInstanceProperty(Component containerComponent, String componentInstanceId, ComponentInstanceProperty property) {
		return nodeTemplateOperation.addComponentInstanceProperty(containerComponent, componentInstanceId, property);
	}

	public StorageOperationStatus updateComponentInstanceInput(Component containerComponent, String componentInstanceId, ComponentInstanceInput property) {
		return nodeTemplateOperation.updateComponentInstanceInput(containerComponent, componentInstanceId, property);
	}

	public StorageOperationStatus addComponentInstanceInput(Component containerComponent, String componentInstanceId, ComponentInstanceInput property) {
		return nodeTemplateOperation.addComponentInstanceInput(containerComponent, componentInstanceId, property);
	}

	public void setNodeTypeOperation(NodeTypeOperation nodeTypeOperation) {
		this.nodeTypeOperation = nodeTypeOperation;
	}

	public void setTopologyTemplateOperation(TopologyTemplateOperation topologyTemplateOperation) {
		this.topologyTemplateOperation = topologyTemplateOperation;
	}

}