nodejs_inherit_events_main_job.js

//We emit done and catch start events
var util = require('util');

var Job = function Job(){
  //we will use it later to pass this to a closure
  var job = this;
  
  job.process = function(){
    //emulate the delay of a job async
    setTimeout(function(){
      job.emit('done', {completedOn: new Date()});
    }, 700);
  }
  job.on('start',function(){
    job.process();
  })
}
util.inherits(Job, require('events').EventEmitter);

module.exports = Job;