@penkov/tasks_queue/dist/manage.model.d.ts

A lightweight PostgreSQL-backed task queue system with scheduling, retries, backoff strategies, and priority handling. Designed for efficiency and observability in modern Node.js applications.

import { Collection, Option } from "scats";
import { BackoffType, MissedRunStrategy, TaskPeriodType, TaskStatus } from "./tasks-model.js";
export declare class TaskDto {
    readonly id: number;
    readonly queue: string;
    readonly created: Date;
    readonly initialStart: Date;
    readonly started: Option<Date>;
    readonly finished: Option<Date>;
    readonly status: TaskStatus;
    readonly missedRunStrategy: MissedRunStrategy;
    readonly priority: number;
    readonly error: Option<string>;
    readonly backoff: number;
    readonly backoffType: BackoffType;
    readonly timeout: number;
    readonly name: Option<string>;
    readonly startAfter: Option<Date>;
    readonly repeatInterval: Option<number>;
    readonly repeatType: Option<TaskPeriodType>;
    readonly maxAttempts: number;
    readonly attempt: number;
    readonly payload: any;
    constructor(id: number, queue: string, created: Date, initialStart: Date, started: Option<Date>, finished: Option<Date>, status: TaskStatus, missedRunStrategy: MissedRunStrategy, priority: number, error: Option<string>, backoff: number, backoffType: BackoffType, timeout: number, name: Option<string>, startAfter: Option<Date>, repeatInterval: Option<number>, repeatType: Option<TaskPeriodType>, maxAttempts: number, attempt: number, payload: any);
}
export declare class TasksResult {
    readonly items: Collection<TaskDto>;
    readonly total: number;
    constructor(items: Collection<TaskDto>, total: number);
}
export declare class TaskView {
    id: number;
    queue: string;
    created: number;
    initialStart: number;
    started?: number;
    finished?: number;
    status: TaskStatus;
    missedRunStrategy: MissedRunStrategy;
    priority: number;
    error?: string;
    backoff: number;
    backoffType: BackoffType;
    timeout: number;
    name?: string;
    startAfter?: number;
    repeatInterval?: number;
    repeatType?: TaskPeriodType;
    maxAttempts: number;
    attempt: number;
    payload: any;
    static fromDto(dto: TaskDto): TaskView;
}
export declare class TasksResultView {
    items: TaskView[];
    total: number;
}
export declare class QueueStat {
    readonly queueName: string;
    readonly p50: number;
    readonly p75: number;
    readonly p95: number;
    readonly p99: number;
    readonly p999: number;
    constructor(queueName: string, p50: number, p75: number, p95: number, p99: number, p999: number);
}
export declare class TasksCount {
    readonly queueName: string;
    readonly status: TaskStatus;
    readonly count: number;
    constructor(queueName: string, status: TaskStatus, count: number);
}
export declare class QueueStatView {
    queueName: string;
    p50: number;
    p75: number;
    p95: number;
    p99: number;
    p999: number;
    static fromDto(o: QueueStat): QueueStatView;
}
export declare class TasksCountView {
    queueName: string;
    status: TaskStatus;
    count: number;
    static fromDto(o: TasksCount): TasksCountView;
}
export declare class QueuesStat {
    waitTime: QueueStatView[];
    workTime: QueueStatView[];
    tasksCount: TasksCountView[];
}