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From Yonik Seeley <>
Subject Re: going from Document -> IndexReader's docid
Date Wed, 09 Nov 2005 16:13:19 GMT
There really isn't a generic way... you have to search for the document.
If you have a unique id field in your document, you can find the
document id quickly via IndexReader.termDocs(term)

Now hiring --

On 11/9/05, <> wrote:
> If I have a Document object (doc), and I also have an IndexReader open,
> how can I find out IndexReader's docid corresponding to (doc)?
> IndexReader has a map from docid -> Document, but I don't see the reverse.
> thanks in advance,
> Todd

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