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主題的一種變體,可“重放”新的訂閱用戶或向新的訂閱用戶發(fā)出舊的值。它緩沖一定數(shù)量的值,除了向現(xiàn)有訂閱用戶發(fā)送新值外,還將立即將這些值發(fā)送給任何新訂閱用戶。
class ReplaySubject<T> extends Subject {
constructor(bufferSize: number = Number.POSITIVE_INFINITY, windowTime: number = Number.POSITIVE_INFINITY, scheduler?: SchedulerLike)
_subscribe(subscriber: Subscriber<T>): Subscription
_getNow(): number
// inherited from index/Subject
static create: Function
constructor()
observers: Observer<T>[]
closed: false
isStopped: false
hasError: false
thrownError: any
lift<R>(operator: Operator<T, R>): Observable<R>
next(value?: T)
error(err: any)
complete()
unsubscribe()
_trySubscribe(subscriber: Subscriber<T>): TeardownLogic
_subscribe(subscriber: Subscriber<T>): Subscription
asObservable(): Observable<T>
// inherited from index/Observable
static create: Function
static if: typeof iif
static throw: typeof throwError
constructor(subscribe?: (this: Observable<T>, subscriber: Subscriber<T>) => TeardownLogic)
_isScalar: boolean
source: Observable<any>
operator: Operator<any, T>
lift<R>(operator: Operator<T, R>): Observable<R>
subscribe(observerOrNext?: NextObserver<T> | ErrorObserver<T> | CompletionObserver<T> | ((value: T) => void), error?: (error: any) => void, complete?: () => void): Subscription
_trySubscribe(sink: Subscriber<T>): TeardownLogic
forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise<void>
pipe(...operations: OperatorFunction<any, any>[]): Observable<any>
toPromise(promiseCtor?: PromiseConstructorLike): Promise<T>
}
constructor(bufferSize: number = Number.POSITIVE_INFINITY, windowTime: number = Number.POSITIVE_INFINITY, scheduler?: SchedulerLike)
參量 | 類型 |
---|---|
bufferSize | 大小可選的。默認(rèn)值為Number.POSITIVE_INFINITY 。類型:number 。 |
windowTime | 可選的。默認(rèn)值為Number.POSITIVE_INFINITY 。類型:number |
調(diào)度器 | 可選的。默認(rèn)值為undefined 。類型:SchedulerLike |
_subscribe(subscriber: Subscriber<T>): Subscription
參量 | 類型 |
---|---|
subscriber | 類型:。Subscriber |
returnsSubscription
_getNow() |
---|
_getNow(): number 參量沒有參數(shù)。returnsnumber |
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