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Class ListNodeV2Cache

Caches list nodes obtained from Knora. As an optimization, the whole list is requested and cached (all of its nodes) once a list node has been rquested.

Hierarchy

Index

Constructors

Methods

Constructors

constructor

Methods

Protected getDependenciesOfItem

  • getDependenciesOfItem(item: ListNodeV2): string[]

Protected getItem

  • getItem(key: string, isDependency?: boolean): Observable<ListNodeV2>

  • Gets a specific item from the cache. If not cached yet, the information will be retrieved from DSP-API.

    Parameters

    • key: string

      the id of the item to be returned.

    • Default value isDependency: boolean = false

      true if the item to be returned is a dependency of another item (recursive call to this method).

    Returns Observable<ListNodeV2>

Protected getKeyOfItem

getNode

  • getNode(nodeIri: string): Observable<ListNodeV2>

  • Given a list node IRI, gets it from the cache.

    The root node of a list should not be requested using this method. This should be left to dependency handling to optimize caching.

    Parameters

    • nodeIri: string

      the IRI of the list node to be returned.

    Returns Observable<ListNodeV2>

Protected reloadItem

Protected requestItemFromKnora

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