Sitecore Campaign Association on each Visit-Request

AssociateCampaignToVisit.cs

using Sitecore.Analytics.Pipelines.TriggerCampaign;
using Sitecore.Diagnostics;

namespace Sitecore8rev150223.Website.Pipelines
{
    public class AssociateCampaignToVisit : TriggerCampaignProcessor
    {
        public override void Process(TriggerCampaignArgs args)
        {
            Assert.ArgumentNotNull((object)args, "args");

            // Always associate the campaign to the current visit when triggered
            Sitecore.Analytics.Tracker.Current.Interaction.CampaignId = args.Definition.ID.ToGuid();
        }
    }
}

Sitecore.Analytics.config

<triggerCampaign>
        <processor type="Sitecore.Analytics.Pipelines.TriggerCampaign.CheckPreconditions,Sitecore.Analytics"/>
        <processor type="Sitecore.Analytics.Pipelines.TriggerCampaign.HandleTrafficType,Sitecore.Analytics"/>
        <processor type="Sitecore.Analytics.Pipelines.TriggerCampaign.RunRules,Sitecore.Analytics"/>
        <processor type="Sitecore.Automation.MarketingAutomation.Pipelines.TriggerCampaign.RunAutomation,Sitecore.Analytics.Automation"/>
        <processor type="Sitecore.Analytics.Pipelines.TriggerCampaign.RegisterPageEvent,Sitecore.Analytics"/>
        <processor type="Sitecore8rev150223.Website.Pipelines.AssociateCampaignToVisit,Sitecore8rev150223.Website"/>
</triggerCampaign>

Sitecore8rev150223.Analytics.config

<?xml version="1.0"?>
<configuration xmlns:patch="http://www.sitecore.net/xmlconfig/">
  <sitecore>
        <triggerCampaign>
        <processor
          type="Sitecore8rev150223.Website.Pipelines.AssociateCampaignToVisit,Sitecore8rev150223.Website"
          patch:after="processor[@type='Sitecore.Analytics.Pipelines.TriggerCampaign.RegisterPageEvent,Sitecore.Analytics']">
        </processor>
      </triggerCampaign>
  </sitecore>
</configuration>