CITYTAPS CLOUD CRON SERVICE

The node-cron module is tiny task scheduler in pure JavaScript for node.js.

Getting Started

npm install
npm start

The cron will now send a message to ct-cloud-API every day at 12pm to add some consumption fee.

Cron Syntax

This is a quick reference to cron syntax and also shows the options supported by node-cron.

Allowed fields

 # ┌────────────── second (optional)
 # │ ┌──────────── minute
 # │ │ ┌────────── hour
 # │ │ │ ┌──────── day of month
 # │ │ │ │ ┌────── month
 # │ │ │ │ │ ┌──── day of week
 # │ │ │ │ │ │
 # │ │ │ │ │ │
 # * * * * * *

Allowed values

field	value
second	0-59
minute	0-59
hour	0-23
day of month	1-31
month	1-12 (or names)
day of week	0-7 (or names, 0 or 7 are sunday)

Using multiples values

You may use multiples values separated by comma:

var cron = require('node-cron');

cron.schedule('1,2,4,5 * * * *', function(){
  console.log('running every minute 1, 2, 4 and 5');
});

ScheduledTask methods

Start

Starts the scheduled task.

var cron = require('node-cron');

var task = cron.schedule('* * * * *', function() {
  console.log('immediately started');
}, false);

task.start();

Stop

The task won't be executed unless re-started.

var cron = require('node-cron');

var task = cron.schedule('* * * * *', function() {
  console.log('will execute every minute until stopped');
});

task.stop();

Destroy

The task will be stopped and completely destroyed.

var cron = require('node-cron');

var task = cron.schedule('* * * * *', function() {
  console.log('will not execute anymore, nor be able to restart');
});

task.destroy();

super-bassoon