Have you looked into term vectors? I think they should fit your bill
pretty neatly. Here's a nice blog post with helpful background info:
http://blog.jpountz.net/post/41301889664/putting-term-vectors-on-a-diet
-Mike
On 8/19/2014 10:04 AM, Bianca Pereira wrote:
Hi everybody,
I would like to know your suggestions to calculate Term Frequency in a
Lucene document. Currently I am using MultiFields.getTermDocsEnum,
iterating through the DocsEnum 'de' returned and getting the frequency with
de.freq() for the desired document.
My solution gives me the result I want but I am having time issues. For
instance, I want to calculate the term frequency for a given term for N
documents in a sequence. Then, every time I have a new document I have to
retrieve exactly the same DocsEnum again and iterate until find the
document I want. Of course I cannot cache DocsEnum (yes, I did this huge
mistake) because it is an iterator.
Do you have any suggestions on how I can get Term Frequency in a fast way?
The unique suggestion I had up to now was "Do it programatically, don't use
Lucene". Should be this the solution?
Thank you.
Regards,
Bianca Pereira
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