import { Action } from './scheduler/Action';
|
import { Subscription } from './Subscription';
|
import { SchedulerLike, SchedulerAction } from './types';
|
/**
|
* An execution context and a data structure to order tasks and schedule their
|
* execution. Provides a notion of (potentially virtual) time, through the
|
* `now()` getter method.
|
*
|
* Each unit of work in a Scheduler is called an `Action`.
|
*
|
* ```ts
|
* class Scheduler {
|
* now(): number;
|
* schedule(work, delay?, state?): Subscription;
|
* }
|
* ```
|
*
|
* @class Scheduler
|
* @deprecated Scheduler is an internal implementation detail of RxJS, and
|
* should not be used directly. Rather, create your own class and implement
|
* {@link SchedulerLike}
|
*/
|
export declare class Scheduler implements SchedulerLike {
|
private SchedulerAction;
|
/**
|
* Note: the extra arrow function wrapper is to make testing by overriding
|
* Date.now easier.
|
* @nocollapse
|
*/
|
static now: () => number;
|
constructor(SchedulerAction: typeof Action, now?: () => number);
|
/**
|
* A getter method that returns a number representing the current time
|
* (at the time this function was called) according to the scheduler's own
|
* internal clock.
|
* @return {number} A number that represents the current time. May or may not
|
* have a relation to wall-clock time. May or may not refer to a time unit
|
* (e.g. milliseconds).
|
*/
|
now: () => number;
|
/**
|
* Schedules a function, `work`, for execution. May happen at some point in
|
* the future, according to the `delay` parameter, if specified. May be passed
|
* some context object, `state`, which will be passed to the `work` function.
|
*
|
* The given arguments will be processed an stored as an Action object in a
|
* queue of actions.
|
*
|
* @param {function(state: ?T): ?Subscription} work A function representing a
|
* task, or some unit of work to be executed by the Scheduler.
|
* @param {number} [delay] Time to wait before executing the work, where the
|
* time unit is implicit and defined by the Scheduler itself.
|
* @param {T} [state] Some contextual data that the `work` function uses when
|
* called by the Scheduler.
|
* @return {Subscription} A subscription in order to be able to unsubscribe
|
* the scheduled work.
|
*/
|
schedule<T>(work: (this: SchedulerAction<T>, state?: T) => void, delay?: number, state?: T): Subscription;
|
}
|
