title: Mongo - Ignore property from being persisted
body: <p>I have a standard POJO that has a set of properties in it. The POJO has been annotated as a <code>@Document</code>, so as to be persisted in MongoDB as a Document.</p>
  
  <p>How (annotation??) can I ignore/avoid one of the properties in the POJO from being persisted?</p>