Class FeatureSourceBase`Abstract`

Interface for feature sources.

Note

To implement a feature source, you can use the FeatureSourceBase base class for convenience.

Hierarchy (View Summary)

EventDispatcher<FeatureSourceEventMap>
- FeatureSourceBase

Implements

FeatureSource

Index

Constructors

Properties

_initialized _targetCoordinateSystem type

Methods

getFeatures initialize throwIfNotInitialized update

Constructors

constructor

new FeatureSourceBase(): FeatureSourceBase
Returns FeatureSourceBase
Overrides EventDispatcher<FeatureSourceEventMap>.constructor
- Defined in sources/FeatureSource.ts:74

Properties

`Protected`_initialized

_initialized: boolean = false

`Protected`_targetCoordinateSystem

_targetCoordinateSystem: CoordinateSystem | null = null

`Abstract` `Readonly`type

type: string

Methods

`Abstract`getFeatures

getFeatures(request: GetFeatureRequest): Promise<GetFeatureResult>
Gets the features matching the request.
Parameters
- request: GetFeatureRequest
  The feature request.
Returns Promise<GetFeatureResult>
Implementation of FeatureSource.getFeatures
- Defined in sources/FeatureSource.ts:99

initialize

initialize(options: { targetCoordinateSystem: CoordinateSystem }): Promise<void>
Initializes the source. The source is not useable before being initialized.
Parameters
- options: { targetCoordinateSystem: CoordinateSystem }
Returns Promise<void>
Implementation of FeatureSource.initialize
- Defined in sources/FeatureSource.ts:78

`Protected`throwIfNotInitialized

throwIfNotInitialized(): void
Returns void
- Defined in sources/FeatureSource.ts:93

update

update(): void
Raises an event to reload the source.

Returns void
- Defined in sources/FeatureSource.ts:89