API Reference > ui-components > Tree > AbstractTreeNodeLoader AbstractTreeNodeLoader Class Beta Abstract node loader which loads nodes to provided model source. Extended by AbstractTreeNodeLoaderWithProvider Implements ITreeNodeLoader Methods Name Description constructor(modelSource: TreeModelSource): AbstractTreeNodeLoader Protected load(parentId: TreeModelNode | TreeModelRootNode, childIndex: number): Observable<LoadedNodeHierarchy> ProtectedAbstract loadNode(parent: TreeModelNode | TreeModelRootNode, childIndex: number): Observable<TreeNodeLoadResult> updateModel(loadedHierarchy: LoadedNodeHierarchy): void Protected Properties Name Type Description modelSource Accessor ReadOnly TreeModelSource Defined in ui/components/src/ui-components/tree/controlled/TreeNodeLoader.ts Line 65 Last Updated: 13 June, 2024