Enumerating all documents

[Paul Cunningham <pj...@borsuk.uk.net>]

Hello,

Is it possible to enumerate ALL the documents in a Lucene index, say for 
house-keeping purposes.

Thanks in advance,

Paul Cunningham

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Re: Enumerating all documents

[Paul Cunningham <pj...@borsuk.uk.net>]

Hello Ype,

Great, that works fine. I should have been able to work it out myself, but 
I hadn't spotted the static open methods of the IndexReader class. After 
looking at your code I read the API more carefully.

Cheers,

Paul Cunningham.

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Re: Enumerating all documents

[Ype Kingma <yk...@xs4all.nl>]

Paul,

>Hello,
>
>Is it possible to enumerate ALL the documents in a Lucene index, say for
>house-keeping purposes.

Off the top of my head:

for (int docNr = 0; docNr < indexReader.maxDoc(); docNr++) {
    if (! indexReader.isDeleted(docNr)) {
        Document enumeratedDoc = indexReader.document(docNr);
        ...
    }
}

>Thanks in advance,

My pleasure. It might work, but I may have misspelled something,
and my builtin Java syntax checker has not been used for quite
some time. I'm currently playing with Lucene from jython:

for docNr in range(indexReader.maxDoc()):
    if not indexReader.isDeleted(docNr):
        enumeratedDoc = indexReader.document(docNr)
        ...

Have fun,
Ype

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