raspi-io-server-utils/dist/src/vector-clock/vector-clock.d.ts

Utilities for interacting with Raspberry IOs and Raspbian

declare const EventEmitter: any;
/**
 * Simple implementation of a vector clock.
 *
 * Events:
 * - `new-time` when the time of any member changed
 * - `time` when the time of the owner was changed by a client (may be renamed in future)
 */
export declare class VectorClock extends EventEmitter {
    private readonly _ownId;
    private _clock;
    constructor(data: {
        owner: string;
        time?: any[];
    });
    readonly id: string;
    time: number;
    readonly timestamps: {
        id: string;
        time: number;
    }[];
    readonly json: {
        owner: string;
        time: {
            id: string;
            time: number;
        }[];
    };
    nextTick(): this;
    newerThan(other: VectorClock): boolean;
    /**
     * @param otherClock
     * @returns true, if this clock holds information about the owner of another clock.
     */
    knowsOwnerOf(otherClock: VectorClock): boolean;
    /**
     * Only checks the timestamp of this clock's owner, ignores all other timestamps
     */
    ownTimestampNewerThan(other: VectorClock): boolean;
    /**
     * Integrate vector time of other into own time (update timestamps of all clients)
     * @param other
     * @param canUpdateMyTime Set to true if other clocks can update the time of this clock.
     * This is useful e.g. if the owner of this clock could go offline and lose the current time, so it is recovered.
     */
    syncFrom(other: VectorClock, canUpdateMyTime?: boolean): this;
    timeOf(id: string): number;
    toString(): string;
    updateOther(id: string, time: number): boolean;
    _ownClockUpdated(): void;
    _newTime(): void;
}
export {};