title: Get term frequencies in Lucene
body: <p>Is there a fast and easy way of getting term frequencies from a Lucene index, without doing it through the <code>TermVectorFrequencies</code> class, since that takes an awful lot of time for large collections?</p>
  
  <p>What I mean is, is there something like <code>TermEnum</code> which has not just the document frequency but term frequency as well?</p>
  
  <p>UPDATE:
  Using TermDocs is way too slow.</p>