Class: DataFlowService

mapboxgl.supermap.DataFlowService

The DataFlowService class.

new mapboxgl.supermap.DataFlowService(url, options)

DataFlowService.js, line 6
Name Type Description
url string

The url of service.
options Object

The optional parameters.

Name Type Description
geometry Array.<Object> optional

An array of geometry data to be added.
excludeField Object optional

The field to be excluded.
crossOrigin boolean optional

Whether to allow cross-domain requests.
headers Object optional

Request header.
Fires
Example
new mapboxgl.supermap.DataFlowService(url)
 .queryChart(param,function(result){
    //doSomething
})

Extends

Events

broadcastFailed

DataFlowService.js, line 48

The broadcast failed.

broadcastSocketConnected

DataFlowService.js, line 40

The broadcast Socket connection is successful.

broadcastSocketError

DataFlowService.js, line 44

The broadcast Socket connection failed.

broadcastSucceeded

DataFlowService.js, line 52

The broadcast was successful.

inherited initialized

ServiceBase.js, line 23

Triggered after the constructor construct succeeds.

Properties:
Name Type Description
this Object

This object.

messageSucceeded

DataFlowService.js, line 64

The information was obtained successfully.

setFilterParamSucceeded

DataFlowService.js, line 68

Set the filter parameters successfully.

subscribeSocketConnected

DataFlowService.js, line 56

The subscription data connection was successful.

subscribeSocketError

DataFlowService.js, line 60

Subscription data connection failed.

subscribeSucceeded

DataFlowService.js, line 85

Triggered after the data stream service subscription is successful.

Properties:
Name Type Description
e Object

Event object.

Methods

broadcast(obj)

DataFlowService.js, line 106

Load broadcast data.

Name Type Description
obj JSON

Data in JSON format.

initBroadcast(){mapboxgl.supermap.DataFlowService}

DataFlowService.js, line 96

Initialize the subscription.

Returns:
Type Description
mapboxgl.supermap.DataFlowService

initSubscribe()

DataFlowService.js, line 115

Initialize the subscription.

setExcludeField(excludeField)

DataFlowService.js, line 125

Set field to be excluded.

Name Type Description
excludeField Object

Field to be excluded.

setGeometry(geometry)

DataFlowService.js, line 136

Set GeoJSON geometry data to be added.

Name Type Description
geometry Array.<Object>

Array of GeoJSON geometry data to be added.

unBroadcast()

DataFlowService.js, line 155

End the broadcast.

unSubscribe()

DataFlowService.js, line 147

End the subscription.