On 26/07/2012 22:04, Phanindra R wrote:
Thanks for the reply Abdul.
I was exploring the API and I think we can retrieve all those words by
using a brute-force approach.
1) Get all the terms using indexReader.terms()
2) Process the term only if it belongs to the target field.
3) Get all the docs using indexReader.termDocs(term);
4) So, we have the term-doc pairs at this point.
This procedure is implemented in Luke (http://code.google.com/p/luke) in
the "Reconstruct & Edit" function. In case of larger indexes it's indeed
a time-consuming procedure.
Is there any better approach other than the above forever-taking procedure?
No. Indexing is usually a lossy process - some data is irretrievably
lost - and the resulting data structure is not optimized for
re-assembling the original content. If you need to retrieve the original
content you have to store it, either using stored fields or in an
external system.
--
Best regards,
Andrzej Bialecki
http://www.sigram.com, blog http://www.sigram.com/blog
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