Tracking a property value changes over time: Temporal property using N

A common problem that often needs to be solved is to answer a question like “how did my inventory look 1 month ago?”. Keeping this kind of history, and query over it, can be tedious and is something that need to be thought about for a bit. In this post shows how you can track a single property in time using the Temporal property pattern written down by Martin Fowler and NHibernate to persist the change over time.