title: How to set cache-control header in odata4j?
body: <p>I'm writing a RESTful service using odata4j and need to be able to set the caching header of the response.</p>
  
  <p>How do I do this?<br>
  I don't seem to have access to the HttpservletResponse object.
  And unlike the JAX-RS support, I can't see anything in odata4j that lets me get hold of a CacheControl object.</p>
  
  <p>Thanks</p>
  
  <p>Sarah</p>