Rescheduling cron jobs in nodejs on server restart

snippet1.js

//read all configurations from campaign_configurations
campaignConfigurationsService.findCampaignsToLaunch(function(campaignCronConfigurations){

  //for each configuration
  campaignCronConfigurations.forEach(function(campaignCronConfiguration, index){

    //new entry on campaign_executions table
    campaignExecutionsService.startNewExecution(campaignCronConfiguration.id, dateNow, function(execution){
      var j = schedule.scheduleJob(campaignCronConfiguration.cronString, function(){
        //if job is complete
        campaignExecutionsService.finalizeExecution(campaignCronConfiguration.id);
      });   
    });    
  })

});