micro-toolkit-event-storage-mongo/example.js

A mongodb implementation of the event storage interface

var factory = require('./index')
var Promise = require('bluebird')

var instance = factory.getInstance('mongodb://localhost/event_sample')

var promises = [
  // receives the sequence number and the raw data
  // and returns a promise
  instance.insert(1, { id: 101, something: true }),
  instance.insert(2, { id: 102, something: true }),
  instance.insert(3, { id: 103, something: true }),
  instance.insert(4, { id: 104, something: true }),
  instance.insert(5, { id: 105, something: true })
]

Promise.all(promises)
  .then(function () {
    // receives the sequence number and return a promise
    // that will be fullfilled with events with higher sequence
    return instance.get(0)
  })
  .then(console.log) //eslint-disable-line no-console
  .then(function () {
    return instance.get(1)
  })
  .then(console.log) //eslint-disable-line no-console
  .then(function () {
    return instance.get(4)
  })
  .then(console.log) //eslint-disable-line no-console
  .then(function () {
    return instance.get(5)
  })
  .then(console.log) //eslint-disable-line no-console
  .then(function () {
    return instance.lastSequence()
  })
  .then(console.log) //eslint-disable-line no-console