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From tlitt...@igb.uiuc.edu
Subject Re: going from Document -> IndexReader's docid
Date Wed, 09 Nov 2005 19:38:57 GMT

Ahh, thank you very much.  That's exactly what I needed, I just didn't see
that in the API.

cheers,
Todd

> The question is, how did you get that Document?   If you got it from
> Hits, you can get the document id from Hits.id(hit_num).
>
>      Erik
>
>
>
> On 9 Nov 2005, at 11:13, Yonik Seeley wrote:
>
>> 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)
>>
>> -Yonik
>> Now hiring -- http://forms.cnet.com/slink?231706
>>
>> On 11/9/05, tlittell@igb.uiuc.edu <tlittell@igb.uiuc.edu> 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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