FeatureLayerSource

AMD: require(["esri/webdoc/geotriggersInfo/FeatureLayerSource"], (FeatureLayerSource) => { /* code goes here */ });
ESM: import FeatureLayerSource from "@arcgis/core/webdoc/geotriggersInfo/FeatureLayerSource";
Class: esri/webdoc/geotriggersInfo/FeatureLayerSource
Inheritance: FeatureLayerSource Accessor
Since: ArcGIS API for JavaScript 4.24

The source for a feature layer to be used as fences for Geotriggers.

Example
let source = new FeatureLayerSource({
  // If layerUrl is present, layerId is unnecessary (and vice-versa)
  layerUrl: "http://sampleserver6.arcgisonline.com/arcgis/rest/services/Recreation/MapServer/0"
})

Constructors

new FeatureLayerSource(properties)
Parameter
properties Object
optional

See the properties for a list of all the properties that may be passed into the constructor.

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
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Name Type Summary Class
String

The name of the class.

more details
Accessor
String

A unique identifying string that must match the id property of a feature layer in an associated map.

more details
FeatureLayerSource
String

A URL to a service that will be used for all queries against the layer.

more details
FeatureLayerSource
String

String indicating the type of source.

more details
FeatureLayerSource

Property Details

declaredClass Stringreadonly inherited

The name of the class. The declared class name is formatted as esri.folder.className.

layerId String

A unique identifying string that must match the id property of a feature layer in an associated map. The fence parameters will use the same underlying data as the feature layer in the map.

Default Value:null
layerUrl String

A URL to a service that will be used for all queries against the layer.

Default Value:null
type Stringreadonly

String indicating the type of source.

For FeatureLayerSource the type is always "feature-layer".

Method Overview

Show inherited methods Hide inherited methods
Name Return Type Summary Class

Adds one or more handles which are to be tied to the lifecycle of the object.

more details
Accessor
this

Creates a deep clone of this object.

more details
FeatureLayerSource
*

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product.

more details
FeatureLayerSource
Boolean

Returns true if a named group of handles exist.

more details
Accessor

Removes a group of handles owned by the object.

more details
Accessor
Object

Converts an instance of this class to its ArcGIS portal JSON representation.

more details
FeatureLayerSource

Method Details

addHandles(handleOrHandles, groupKey)inherited
Since: ArcGIS API for JavaScript 4.25

Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.

// Manually manage handles
const handle = reactiveUtils.when(
  () => !view.updating,
  () => {
    wkidSelect.disabled = false;
  },
  { once: true }
);

// Handle gets removed when the object is destroyed.
this.addHandles(handle);
Parameters
handleOrHandles WatchHandle|WatchHandle[]

Handles marked for removal once the object is destroyed.

groupKey *
optional

Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.

clone(){this}

Creates a deep clone of this object. Any properties that store values by reference will be assigned copies of the referenced values on the cloned instance.

Returns
Type Description
this A deep clone of the class instance that invoked this method.
fromJSON(json){*}static

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.

Parameter
json Object

A JSON representation of the instance in the ArcGIS format. See the ArcGIS REST API documentation for examples of the structure of various input JSON objects.

Returns
Type Description
* Returns a new instance of this class.
hasHandles(groupKey){Boolean}inherited
Since: ArcGIS API for JavaScript 4.25

Returns true if a named group of handles exist.

Parameter
groupKey *
optional

A group key.

Returns
Type Description
Boolean Returns true if a named group of handles exist.
Example
// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
  obj.removeHandles("watch-view-updates");
}
removeHandles(groupKey)inherited
Since: ArcGIS API for JavaScript 4.25

Removes a group of handles owned by the object.

Parameter
groupKey *
optional

A group key or an array or collection of group keys to remove.

Example
obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");
toJSON(){Object}

Converts an instance of this class to its ArcGIS portal JSON representation. See the Using fromJSON() guide topic for more information.

Returns
Type Description
Object The ArcGIS portal JSON representation of an instance of this class.

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