reshuffle/examples/persistence/MSSQLExample.js

Reshuffle is a fast, unopinionated, minimalist integration framework

const { Reshuffle, CronConnector, MSSQLStoreAdapter } = require('../../dist')
const mssql = require('mssql')

const app = new Reshuffle()

const connector = new CronConnector(app)

// See more information about connection attributes in
// https://www.npmjs.com/package/mssql#general-same-for-all-drivers

async function main() {
  const pool = await mssql.connect()
  const persistentStore = new MSSQLStoreAdapter(pool, 'reshuffledb')

  app.setPersistentStore(persistentStore)

  connector.on({ expression: '*/5 * * * * *' }, async (event, app) => {
    const store = app.getPersistentStore()
    // single server setup
    let times = (await store.get('scripts/times-said-hello')) || 0
    console.log(`Hello World! ${times} times.`)
    times++
    await store.set('scripts/times-said-hello', times)

    // for destributed setup with many reshuffle servers set() should be replaced with update()
    let safe_count_times = (await store.get('scripts/times-said-hello-safe_count_times')) || 0
    console.log(`Hello World! safe count = ${safe_count_times} times.`)
    await store.update('scripts/times-said-hello-safe_count_times', (safe_count_times) => {
      return safe_count_times === undefined ? 1 : safe_count_times + 1
    })
  })
}

app.start()

main()