Bruno Roustant created LUCENE-8921:
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Summary: IndexSearcher.termStatistics should not require
TermStates but docFreq and totalTermFreq
Key: LUCENE-8921
URL: https://issues.apache.org/jira/browse/LUCENE-8921
Project: Lucene - Core
Issue Type: Improvement
Components: core/search
Affects Versions: 8.1
Reporter: Bruno Roustant
Fix For: master (9.0)
IndexSearcher.termStatistics(Term term, TermStates context) is the way to
create a TermStatistics. It requires a TermStates param although it only cares
about the docFreq and totalTermFreq.
For customizations that what to create TermStatistics based on docFreq and
totalTermFreq, but that do not have available TermStates, this method forces to
create a TermStates instance (which is not very lightweight) only to pass two
ints.
termStatistics could be modified to the following signature:
termStatistics(Term term, int docFreq, int totalTermFreq)
Since it would change the API, it could be done in master for next major
release.
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