lucene user wrote:
Thanks for all your help!
We are using Lucene 2.1.0 and TermsFilter seems to be new in Lucene 2.2.0.
I have not been able to find SortedVIntList in the javadocs at all.
No, SortedVIntList is in the patch I provided a link to earlier.
Because both SortedVIntList and a regular BitSet are based on Lucene
Document Numbers, which are not permanent, It seems we will need to
generate these objects fresh at least once per session. Any comments,
about that? Do I have that correct?
Yes. Most caches tend to be held in WeakHashMap keyed on IndexReader so
that when a new reader takes over old caches are automatically garbage
collected.
Our application includes the following filter implementation that we use for
a
slightly different end user category problem. We could easily use it for our
current problem as well.
Is TermsFilter sufficiently better (faster, more compact, more correct,
etc.) to make upgrading
very important?
TermsFilter is in "contrib" and is stand-alone so should work with most
Lucene versions.
Your implementation looks to scan the whole termEnum whereas TermsFilter
looks up only the selected terms using reader.termDocs(term).
Benchmarking will tell you which is faster. I'd be interested to know
the results.
Cheers
Mark
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