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Class OlpDataProvider

DataProvider implementation for OLP catalogs.

Hierarchy

Index

Constructors

Properties

Methods

Constructors

constructor

Properties

Readonly params

params: OlpDataProviderParams

Methods

addEventListener

  • addEventListener(type: string, listener: (event: Event) => void): void

  • Adds a listener to an event type.

    Parameters

    • type: string

      The type of event to listen to.

    • listener: (event: Event) => void

      The function that gets called when the event is fired.

        • (event: Event): void

        • Parameters

          • event: Event

          Returns void

    Returns void

connect

  • connect(): Promise<void>

dispatchEvent

  • dispatchEvent(event: { type: string }): void

  • Fire an event type.

    Parameters

    • event: { type: string }
      • [attachment: string]: any
      • type: string

    Returns void

dispose

  • dispose(): void

getTile

  • getTile(tileKey: TileKey, abortSignal?: AbortSignal): Promise<ArrayBufferLike | {}>

  • Load the data of a Tile asynchronously in form of an [[ArrayBufferLike]].

    Parameters

    • tileKey: TileKey

      Address of a tile.

    • Optional abortSignal: AbortSignal

      Optional AbortSignal to cancel the request.

    Returns Promise<ArrayBufferLike | {}>

    A promise delivering the data as an [[ArrayBufferLike]], or any object.

hasEventListener

  • hasEventListener(type: string, listener: (event: Event) => void): boolean

  • Checks if listener is added to an event type.

    Parameters

    • type: string

      The type of event to listen to.

    • listener: (event: Event) => void

      The function that gets called when the event is fired.

        • (event: Event): void

        • Parameters

          • event: Event

          Returns void

    Returns boolean

Optional onDidInvalidate

  • onDidInvalidate(listener: () => void): () => void

  • An event which fires when this DataProvider is invalidated.

    example
    const dispose = dataProvider.onDidInvalidate?.(() => {
    console.log("invalidated");
});

    Parameters

    • listener: () => void

      A function to call when this DataProvider is invalidated.

        • (): void

        • Returns void

    Returns () => void

    The function to call to unregister the listener from this event.

      • (): void

      • Returns void

ready

  • ready(): boolean

register

  • register(client: Object): Promise<void>

removeEventListener

  • removeEventListener(type: string, listener: (event: Event) => void): void

  • Removes a listener from an event type.

    Parameters

    • type: string

      The type of the listener that gets removed.

    • listener: (event: Event) => void

      The listener function that gets removed.

        • (event: Event): void

        • Parameters

          • event: Event

          Returns void

    Returns void

unregister

  • unregister(client: Object): void

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