tsbase/Patterns/Observable/IAsyncObservable.d.ts

Base class libraries for TypeScript

import { IObservable } from './IObservable';
/**
 * Coordinates async subscriber actions with publish events
 */
export interface IAsyncObservable<T> extends IObservable<T> {
    /**
     * Specify an async function to fire on future publish events |
     * id returned allows caller to cancel subscription
     * @param func
     */
    Subscribe(func: (content?: T) => Promise<void>, useCurrentIssue?: boolean): Promise<string>;
    /**
     * A single issue subscription. Once the function for an
     * order fires, it is automatically canceled
     * @param useCurrentIssue Determines if the order can be filled by the current issue
     */
    Order(func: (content?: T) => Promise<void>, useCurrentIssue?: boolean): Promise<void>;
}