@rxap/data-source

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Provides a set of classes and decorators for creating and managing data sources in Angular applications, including base classes, static data sources, observable data sources, and method data sources. It also includes a component for displaying data source

gitlab.com/rxap/packages/packages/angular/data-source

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[@rxap/data-source](../wiki/globals) / PipeDataSource # Class: PipeDataSource\<Source, Target\> Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:50](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L50) ## Extends - [`BaseDataSource`](../wiki/Class.BaseDataSource)\<`Target`\> ## Type Parameters • **Source** = `any` • **Target** = `Source` ## Implements - `OnDestroy` ## Constructors ### new PipeDataSource() > **new PipeDataSource**\<`Source`, `Target`\>(`dataSource`, `operation`, ...`operations`): [`PipeDataSource`](../wiki/Class.PipeDataSource)\<`Source`, `Target`\> Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:56](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L56) #### Parameters ##### dataSource [`BaseDataSource`](../wiki/Class.BaseDataSource)\<`Source`\> ##### operation `null` | `OperatorFunction`\<`Source`, `any`\> ##### operations ...([`PipeDataSourceMetadata`](../wiki/Interface.PipeDataSourceMetadata) \| `OperatorFunction`\<`any`, `any`\>)[] #### Returns [`PipeDataSource`](../wiki/Class.PipeDataSource)\<`Source`, `Target`\> #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`constructor`](../wiki/Class.BaseDataSource#constructors) ## Properties ### \_\_id > **\_\_id**: `string` Defined in: [packages/angular/definition/src/lib/definition.ts:61](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L61) **`Internal`** unique internal id #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`__id`](../wiki/Class.BaseDataSource#__id) *** ### \_connectedViewer > `protected` **\_connectedViewer**: `Map`\<`string`, `Observable`\<`Target`\>\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:78](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L78) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_connectedViewer`](../wiki/Class.BaseDataSource#_connectedviewer) *** ### \_connectedViewerTeardown > `protected` **\_connectedViewerTeardown**: `Map`\<`string`, `TeardownLogic`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:79](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L79) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_connectedViewerTeardown`](../wiki/Class.BaseDataSource#_connectedviewerteardown) *** ### \_data? > `protected` `optional` **\_data**: `Target` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:104](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L104) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_data`](../wiki/Class.BaseDataSource#_data) *** ### \_data$ > `protected` **\_data$**: `Observable`\<`Target`\> = `EMPTY` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:83](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L83) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_data$`](../wiki/Class.BaseDataSource#_data$) *** ### \_initialised > `protected` **\_initialised**: `boolean` = `false` Defined in: [packages/angular/definition/src/lib/definition.ts:62](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L62) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_initialised`](../wiki/Class.BaseDataSource#_initialised) *** ### \_lastRefreshed > `protected` **\_lastRefreshed**: `null` \| `Date` = `null` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:77](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L77) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_lastRefreshed`](../wiki/Class.BaseDataSource#_lastrefreshed) *** ### \_retry$ > `protected` **\_retry$**: `Subject`\<`void`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:90](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L90) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_retry$`](../wiki/Class.BaseDataSource#_retry$) *** ### \_viewerIds > `protected` **\_viewerIds**: `Map`\<[`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer)\<`any`\>, `string`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:89](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L89) a map of viewer to view id. Allows to create a view id from the viewer object reference #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_viewerIds`](../wiki/Class.BaseDataSource#_viewerids) *** ### change$ > `readonly` **change$**: `Subject`\<`Target`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:67](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L67) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`change$`](../wiki/Class.BaseDataSource#change$) *** ### dataSource > `readonly` **dataSource**: [`BaseDataSource`](../wiki/Class.BaseDataSource)\<`Source`\> Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:57](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L57) *** ### destroyed$ > `readonly` **destroyed$**: `undefined` \| `Subject`\<`void`\> Defined in: [packages/angular/definition/src/lib/definition.ts:48](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L48) Emits if the data source is destroyed #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`destroyed$`](../wiki/Class.BaseDataSource#destroyed$) *** ### error$ > `readonly` **error$**: `ReplaySubject`\<`Error`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:73](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L73) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`error$`](../wiki/Class.BaseDataSource#error$) *** ### hasError? > `optional` **hasError**: `Signal`\<`boolean`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:94](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L94) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`hasError`](../wiki/Class.BaseDataSource#haserror) *** ### hasError$ > `readonly` **hasError$**: `ToggleSubject` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:72](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L72) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`hasError$`](../wiki/Class.BaseDataSource#haserror$) *** ### initialised$ > `readonly` **initialised$**: `undefined` \| `Subject`\<`void`\> Defined in: [packages/angular/definition/src/lib/definition.ts:52](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L52) Emits if the data source is initialised #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`initialised$`](../wiki/Class.BaseDataSource#initialised$) *** ### interceptors > `readonly` **interceptors**: `undefined` \| `Set`\<`Subject`\<`any`\>\> Defined in: [packages/angular/definition/src/lib/definition.ts:53](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L53) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`interceptors`](../wiki/Class.BaseDataSource#interceptors) *** ### loading? > `optional` **loading**: `Signal`\<`boolean`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:92](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L92) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`loading`](../wiki/Class.BaseDataSource#loading) *** ### loading$ > **loading$**: `Observable`\<`boolean`\> = `EMPTY` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:71](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L71) Indicates weather the data source is currently loading new data #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`loading$`](../wiki/Class.BaseDataSource#loading$) *** ### metadata > **metadata**: [`BaseDataSourceMetadata`](../wiki/Interface.BaseDataSourceMetadata) Defined in: [packages/angular/definition/src/lib/definition.ts:44](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L44) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`metadata`](../wiki/Class.BaseDataSource#metadata-1) *** ### destroyed$ > `readonly` `static` **destroyed$**: `Subject`\<`BaseDefinition`\<`BaseDefinitionMetadata`\>\> Defined in: [packages/angular/definition/src/lib/definition.ts:41](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L41) Emits when a new Definition instance is initialised #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`destroyed$`](../wiki/Class.BaseDataSource#destroyed$-1) *** ### initialised$ > `readonly` `static` **initialised$**: `Subject`\<`BaseDefinition`\<`BaseDefinitionMetadata`\>\> Defined in: [packages/angular/definition/src/lib/definition.ts:35](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L35) Emits when a new Definition instance is initialised #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`initialised$`](../wiki/Class.BaseDataSource#initialised$-1) *** ### instances > `readonly` `static` **instances**: `Map`\<`string`, `BaseDefinition`\<`BaseDefinitionMetadata`\>\> Defined in: [packages/angular/definition/src/lib/definition.ts:27](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L27) A map of active Definition instances #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`instances`](../wiki/Class.BaseDataSource#instances) ## Accessors ### data #### Get Signature > **get** **data**(): `undefined` \| `Data` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:106](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L106) ##### Returns `undefined` \| `Data` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`data`](../wiki/Class.BaseDataSource#data) *** ### hasConnections #### Get Signature > **get** **hasConnections**(): `boolean` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:110](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L110) ##### Returns `boolean` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`hasConnections`](../wiki/Class.BaseDataSource#hasconnections) *** ### id #### Get Signature > **get** **id**(): `string` Defined in: [packages/angular/definition/src/lib/definition.ts:87](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L87) ##### Returns `string` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`id`](../wiki/Class.BaseDataSource#id) *** ### lastRefreshed #### Get Signature > **get** **lastRefreshed**(): `null` \| `Date` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:74](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L74) ##### Returns `null` \| `Date` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`lastRefreshed`](../wiki/Class.BaseDataSource#lastrefreshed) *** ### operations #### Get Signature > **get** `protected` **operations**(): `OperatorFunction`\<`any`, `any`\>[] Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:79](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L79) ##### Returns `OperatorFunction`\<`any`, `any`\>[] ## Methods ### \_connect() > `protected` **\_connect**(`viewer`): `Observable`\<`Target`\> \| \[`Observable`\<`Target`\>, `TeardownLogic`\] Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:124](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L124) #### Parameters ##### viewer [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer) #### Returns `Observable`\<`Target`\> \| \[`Observable`\<`Target`\>, `TeardownLogic`\] #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_connect`](../wiki/Class.BaseDataSource#_connect) *** ### \_disconnect() > `protected` **\_disconnect**(`viewerId`): `void` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:308](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L308) #### Parameters ##### viewerId `string` #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`_disconnect`](../wiki/Class.BaseDataSource#_disconnect) *** ### applyMetadata() > **applyMetadata**(`partialMetadata`): `void` Defined in: [packages/angular/definition/src/lib/definition.ts:111](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L111) #### Parameters ##### partialMetadata `Partial`\<[`BaseDataSourceMetadata`](../wiki/Interface.BaseDataSourceMetadata)\> #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`applyMetadata`](../wiki/Class.BaseDataSource#applymetadata) *** ### attach() > **attach**(`viewerId`): `Observable`\<`Target`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:210](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L210) #### Parameters ##### viewerId `string` #### Returns `Observable`\<`Target`\> #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`attach`](../wiki/Class.BaseDataSource#attach) *** ### connect() > **connect**(`viewerOrString`): `Observable`\<`Target`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:124](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L124) #### Parameters ##### viewerOrString `string` | [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer)\<`any`\> #### Returns `Observable`\<`Target`\> #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`connect`](../wiki/Class.BaseDataSource#connect) *** ### derive() > **derive**(`id`, `metadata`): [`BaseDataSource`](../wiki/Class.BaseDataSource)\<`any`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:270](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L270) #### Parameters ##### id `string` ##### metadata `Partial`\<[`BaseDataSourceMetadata`](../wiki/Interface.BaseDataSourceMetadata)\> = `...` #### Returns [`BaseDataSource`](../wiki/Class.BaseDataSource)\<`any`\> #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`derive`](../wiki/Class.BaseDataSource#derive) *** ### ~~destroy()~~ > **destroy**(): `void` Defined in: [packages/angular/definition/src/lib/definition.ts:118](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L118) #### Returns `void` #### Deprecated use ngOnDestroy instead #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`destroy`](../wiki/Class.BaseDataSource#destroy) *** ### disconnect() > **disconnect**(`viewerOrId`): `void` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:225](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L225) #### Parameters ##### viewerOrId `string` | [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer)\<`any`\> #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`disconnect`](../wiki/Class.BaseDataSource#disconnect) *** ### genericRetryFunction() > `protected` **genericRetryFunction**(`error`, `retryCount`): `Observable`\<`any`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:311](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L311) #### Parameters ##### error `any` ##### retryCount `number` #### Returns `Observable`\<`any`\> #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`genericRetryFunction`](../wiki/Class.BaseDataSource#genericretryfunction) *** ### getMetadata() > **getMetadata**(): `null` \| [`BaseDataSourceMetadata`](../wiki/Interface.BaseDataSourceMetadata) Defined in: [packages/angular/definition/src/lib/definition.ts:107](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L107) #### Returns `null` \| [`BaseDataSourceMetadata`](../wiki/Interface.BaseDataSourceMetadata) #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`getMetadata`](../wiki/Class.BaseDataSource#getmetadata) *** ### getViewerId() > **getViewerId**(`viewer`): `string` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:114](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L114) #### Parameters ##### viewer [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer) #### Returns `string` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`getViewerId`](../wiki/Class.BaseDataSource#getviewerid) *** ### handelError() > `protected` **handelError**(`error`): `void` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:317](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L317) #### Parameters ##### error `any` #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`handelError`](../wiki/Class.BaseDataSource#handelerror) *** ### init() > **init**(): `void` Defined in: [packages/angular/definition/src/lib/definition.ts:127](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L127) #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`init`](../wiki/Class.BaseDataSource#init) *** ### isConnected() > **isConnected**(`viewerOrId`): `boolean` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:217](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L217) #### Parameters ##### viewerOrId `string` | [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer)\<`any`\> #### Returns `boolean` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`isConnected`](../wiki/Class.BaseDataSource#isconnected) *** ### ngOnDestroy() > **ngOnDestroy**(): `void` Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:97](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L97) A callback method that performs custom clean-up, invoked immediately before a directive, pipe, or service instance is destroyed. #### Returns `void` #### Implementation of `OnDestroy.ngOnDestroy` #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`ngOnDestroy`](../wiki/Class.BaseDataSource#ngondestroy) *** ### refresh() > **refresh**(`parent`): `any` Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:105](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L105) #### Parameters ##### parent `boolean` = `...` true - call the refresh method of the parent data source #### Returns `any` #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`refresh`](../wiki/Class.BaseDataSource#refresh) *** ### reset() > **reset**(): `any` Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:113](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L113) #### Returns `any` #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`reset`](../wiki/Class.BaseDataSource#reset) *** ### retry() > **retry**(): `any` Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:293](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L293) #### Returns `any` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`retry`](../wiki/Class.BaseDataSource#retry) *** ### setOperations() > **setOperations**(`operation`, ...`operations`): `void` Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:83](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L83) #### Parameters ##### operation `OperatorFunction`\<`Source`, `any`\> ##### operations ...`OperatorFunction`\<`any`, `any`\>[] #### Returns `void` *** ### toJSON() > **toJSON**(): `object` Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:117](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L117) #### Returns `object` #### Overrides [`BaseDataSource`](../wiki/Class.BaseDataSource).[`toJSON`](../wiki/Class.BaseDataSource#tojson) *** ### toPromise() > **toPromise**(`viewer`): `Promise`\<`Target`\> Defined in: [packages/angular/data-source/src/lib/base.data-source.ts:264](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/base.data-source.ts#L264) Creates a connection to tha data source and converts the Observable into a promise and then disconnects the viewer #### Parameters ##### viewer [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer) #### Returns `Promise`\<`Target`\> #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`toPromise`](../wiki/Class.BaseDataSource#topromise) *** ### viewerToOperations() > `protected` **viewerToOperations**(`viewer`): `OperatorFunction`\<`any`, `any`\>[] Defined in: [packages/angular/data-source/src/lib/pipe.data-source.ts:140](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/data-source/src/lib/pipe.data-source.ts#L140) #### Parameters ##### viewer [`BaseDataSourceViewer`](../wiki/Interface.BaseDataSourceViewer) #### Returns `OperatorFunction`\<`any`, `any`\>[] *** ### add() > `static` **add**(`definition`): `void` Defined in: [packages/angular/definition/src/lib/definition.ts:94](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L94) #### Parameters ##### definition `BaseDefinition` #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`add`](../wiki/Class.BaseDataSource#add) *** ### remove() > `static` **remove**(`definition`): `void` Defined in: [packages/angular/definition/src/lib/definition.ts:102](https://gitlab.com/rxap/packages/-/blob/3eebed1be2bbb37bc0d65959f8fecbb850c0b8aa/packages/angular/definition/src/lib/definition.ts#L102) #### Parameters ##### definition `BaseDefinition` #### Returns `void` #### Inherited from [`BaseDataSource`](../wiki/Class.BaseDataSource).[`remove`](../wiki/Class.BaseDataSource#remove)