Interface
Web scene data source is created from a webscene. It may have child data sources (such as feature layer data source, scene layer data source and so on).
Properties
| Property | Type | Notes |
|---|---|---|
childDataSourcesReadyinherited | () => Promise<DataSource[]> | All child data sources (including descendant data sources) are ready for use.
Data source has this method only if it is data source set ( |
createDataSourceByIdinherited | (dataSourceId: string) => Promise<DataSource> | Create a child or a descendant data source by id.
Data source has this method only if it is data source set ( |
fetchSchemainherited | () => Promise<IMDataSourceSchema> | Fetch the data schema from an actual data source. If it's a statistic data source, the schema will not be fetched. |
readyinherited | () => Promise<void> | Ready is resolved means the data source instance is ready for use.
Please note that can not make sure all child data sources are created if a set data source is ready.
To make sure all child data sources are created, please use |
childDataSourcesReady
childDataSourcesReady: () => Promise<DataSource[]>All child data sources (including descendant data sources) are ready for use.
Data source has this method only if it is data source set ( dataSource.isDataSourceSet() is true).
Type declaration
function(): Promise<DataSource[]>Returns
Promise<DataSource[]>createDataSourceById
createDataSourceById: (dataSourceId: string) => Promise<DataSource>Create a child or a descendant data source by id.
Data source has this method only if it is data source set ( dataSource.isDataSourceSet() is true).
Please note will only create the specific data source, won't create descendant data sources of it.
Type declaration
function(dataSourceId: string): Promise<DataSource>Parameters
| Parameter | Type |
|---|---|
data | string |
Returns
Promise<DataSource>fetchSchema
fetchSchema: () => Promise<IMDataSourceSchema>Fetch the data schema from an actual data source. If it's a statistic data source, the schema will not be fetched.
Type declaration
function(): Promise<IMDataSourceSchema>Returns
Promise<IMDataSourceSchema>ready
ready: () => Promise<void>Ready is resolved means the data source instance is ready for use.
Please note that can not make sure all child data sources are created if a set data source is ready.
To make sure all child data sources are created, please use childDataSourcesReady .
Type declaration
function(): Promise<void>Returns
Promise<void>