redis-smq-common/dist/cjs/src/timer/timer.js

Provides essential components and utilities shared across RedisSMQ packages.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Timer = void 0;
const node_timers_1 = require("node:timers");
const index_js_1 = require("../runnable/index.js");
class Timer extends index_js_1.Runnable {
    constructor(logger) {
        super();
        this.timer = null;
        this.schedule = (fn, delayMs) => {
            if (!this.isRunning()) {
                this.logger.debug('Instance not operational - Skipping next tick scheduling');
                return false;
            }
            if (this.timer) {
                this.logger.debug('Could not schedule the requested operation: timer is busy');
                return false;
            }
            this.timer = setTimeout(() => {
                this.timer = null;
                if (this.isRunning())
                    fn();
            }, delayMs);
            return true;
        };
        this.logger = logger.createLogger(this.constructor.name);
    }
    goingUp() {
        return super.goingUp().concat([
            (cb) => {
                this.reset();
                cb();
            },
        ]);
    }
    goingDown() {
        return [
            (cb) => {
                this.reset();
                cb();
            },
        ].concat(super.goingDown());
    }
    reset() {
        if (this.timer) {
            this.logger.debug('Resetting nextTick schedule...');
            (0, node_timers_1.clearTimeout)(this.timer);
            this.timer = null;
        }
    }
}
exports.Timer = Timer;
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