title: What is the most elegant way to prevent working with the same hybris model in different threads?
body: <p>I am working with Hybris and stumbled over this problem a few times:</p>
  
  <p>Imagine a situation in which multiple threads (maybe HTTP threads, maybe background threads) are reading/writing the same Database item (maybe in a clustered environment). How do I avoid concurrency issues? What are the options? </p>