API Reference › presentation-backend› Core › PresentationManager

PresentationManager Class

Backend Presentation manager which pulls the presentation data from an iModel using native platform.

Methods

Name Description
constructor(props?: PresentationManagerProps): PresentationManager Creates an instance of PresentationManager.  
compareHierarchies(requestOptions: HierarchyCompareOptions<IModelDb, NodeKey, RulesetVariable>): Promise<HierarchyCompareInfo> Compares two hierarchies specified in the request options  
computeSelection(requestOptions: ComputeSelectionRequestOptions<IModelDb> & BackendDiagnosticsAttribute): Promise<KeySet> Computes selection based on provided element IDs and selection scope.  
computeSelection(requestOptions: SelectionScopeRequestOptions<IModelDb> & { ids: string[], scopeId: string } & BackendDiagnosticsAttribute): Promise<KeySet> Computes selection set based on provided selection scope. Deprecated  
dispose(): void Dispose the presentation manager.  
getContent(requestOptions: ContentRequestOptions<IModelDb, Descriptor | DescriptorOverrides, KeySet, RulesetVariable> & { paging?: PageOptions } & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<undefined | Content> Retrieves the content based on the supplied content descriptor override.  
getContentDescriptor(requestOptions: ContentDescriptorRequestOptions<IModelDb, KeySet, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<undefined | Descriptor> Retrieves the content descriptor which can be used to get content  
getContentSet(requestOptions: ContentRequestOptions<IModelDb, Descriptor, KeySet, RulesetVariable> & { paging?: PageOptions } & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<Item[]> Retrieves the content set based on the supplied content descriptor.  
getContentSetSize(requestOptions: ContentRequestOptions<IModelDb, Descriptor | DescriptorOverrides, KeySet, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<number> Retrieves the content set size based on the supplied content descriptor override  
getContentSources(requestOptions: ContentSourcesRequestOptions<IModelDb> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<SelectClassInfo[]> Get information about the sources of content when building it for specific ECClasses.  
getDisplayLabelDefinition(requestOptions: DisplayLabelRequestOptions<IModelDb, InstanceKey> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<LabelDefinition> Retrieves display label definition of specific item  
getDisplayLabelDefinitions(requestOptions: DisplayLabelsRequestOptions<IModelDb, InstanceKey> & { paging?: PageOptions } & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<LabelDefinition[]> Retrieves display label definitions of specific items  
getElementProperties<TParsedContent>(requestOptions: SingleElementPropertiesRequestOptions<IModelDb, TParsedContent> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<undefined | TParsedContent> Retrieves property data in a simplified format for a single element specified by ID.  
getElementProperties<TParsedContent>(requestOptions: MultiElementPropertiesRequestOptions<IModelDb, TParsedContent> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<MultiElementPropertiesResponse<TParsedContent>> Retrieves property data in simplified format for multiple elements specified by class or all element.  
getFilteredNodePaths(requestOptions: FilterByTextHierarchyRequestOptions<IModelDb, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<NodePathElement[]> Retrieves paths from root nodes to nodes containing filter text in their label.  
getNodePaths(requestOptions: FilterByInstancePathsHierarchyRequestOptions<IModelDb, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<NodePathElement[]> Retrieves paths from root nodes to children nodes according to specified instance key paths.  
getNodes(requestOptions: HierarchyRequestOptions<IModelDb, NodeKey, RulesetVariable> & { paging?: PageOptions } & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<Node[]> Retrieves nodes  
getNodesCount(requestOptions: HierarchyRequestOptions<IModelDb, NodeKey, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<number> Retrieves nodes count  
getNodesDescriptor(requestOptions: HierarchyLevelDescriptorRequestOptions<IModelDb, NodeKey, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<undefined | Descriptor> Retrieves hierarchy level descriptor  
getPagedDistinctValues(requestOptions: DistinctValuesRequestOptions<IModelDb, Descriptor | DescriptorOverrides, KeySet, RulesetVariable> & { priority?: number } & { cancelEvent?: BeEvent<() => void> } & BackendDiagnosticsAttribute): Promise<PagedResponse<DisplayValueGroup>> Retrieves distinct values of specific field from the content based on the supplied content descriptor override.  
getSelectionScopes(_requestOptions: SelectionScopeRequestOptions<IModelDb> & BackendDiagnosticsAttribute): Promise<SelectionScope[]> Retrieves available selection scopes.  
rulesets(): RulesetManager Get rulesets manager  
vars(rulesetId: string): RulesetVariablesManager Get ruleset variables manager for specific ruleset  

Properties

Name Type Description
activeLocale undefined | string Get / set active locale used for localizing presentation data Deprecated  
activeUnitSystem Accessor undefined | UnitSystemKey Get / set active unit system used to format property values with units  
props Accessor ReadOnly PresentationManagerProps Properties used to initialize the manager  

Defined in

Last Updated: 17 December, 2024