# Uses of Class
org.apache.lucene.search.IndexSearcher

Packages that use IndexSearcher
Package
Description
org.apache.lucene.document
The logical representation of a `Document` for indexing and searching.
org.apache.lucene.index
Code to maintain and access indices.
org.apache.lucene.search
Code to search indices.
org.apache.lucene.search.knn
Classes related to vector search: knn and vector fields.

## Uses of IndexSearcher in org.apache.lucene.document

Methods in org.apache.lucene.document with parameters of type IndexSearcher
Modifier and Type
Method
Description
`final Weight`
RangeFieldQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
XYDocValuesPointInGeometryQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`static TopFieldDocs`
LatLonPoint.`nearest(IndexSearcher searcher, String field, double latitude, double longitude, int n)`
Finds the `n` nearest indexed points to the provided point, according to Haversine distance.

## Uses of IndexSearcher in org.apache.lucene.index

Methods in org.apache.lucene.index with parameters of type IndexSearcher
Modifier and Type
Method
Description
`static TermStates`
TermStates.`build(IndexSearcher indexSearcher, Term term, boolean needsStats)`
Creates a `TermStates` from a top-level `IndexReaderContext` and the given `Term`.

## Uses of IndexSearcher in org.apache.lucene.search

Methods in org.apache.lucene.search that return IndexSearcher
Modifier and Type
Method
Description
`IndexSearcher`
SearcherLifetimeManager.`acquire(long version)`
Retrieve a previously recorded `IndexSearcher`, if it has not yet been closed
`static IndexSearcher`
SearcherManager.`getSearcher(SearcherFactory searcherFactory, IndexReader reader, IndexReader previousReader)`
Expert: creates a searcher from the provided `IndexReader` using the provided `SearcherFactory`.
`IndexSearcher`
SearcherFactory.`newSearcher(IndexReader reader, IndexReader previousReader)`
Returns a new IndexSearcher over the given reader.
`protected IndexSearcher`
SearcherManager.`refreshIfNeeded(IndexSearcher referenceToRefresh)`
Methods in org.apache.lucene.search with parameters of type IndexSearcher
Modifier and Type
Method
Description
`Weight`
BooleanQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
BoostQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
ConstantScoreQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
DisjunctionMaxQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
Create the Weight used to score us
`Weight`
FieldExistsQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
IndexOrDocValuesQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
IndexSortSortedNumericDocValuesRangeQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
IndriAndQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`abstract Weight`
IndriQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
MatchAllDocsQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
MatchNoDocsQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
MultiPhraseQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
PhraseQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`final Weight`
PointInSetQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`final Weight`
PointRangeQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
Query.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
Expert: Constructs an appropriate Weight implementation for this query.
`Weight`
SynonymQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`Weight`
TermQuery.`createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`protected void`
SearcherManager.`decRef(IndexSearcher reference)`
`boolean`
SearcherLifetimeManager.PruneByAge.`doPrune(double ageSec, IndexSearcher searcher)`
`boolean`
SearcherLifetimeManager.Pruner.`doPrune(double ageSec, IndexSearcher searcher)`
Return true if this searcher should be removed.
`Explanation`
QueryRescorer.`explain(IndexSearcher searcher, Explanation firstPassExplanation, int docID)`
`abstract Explanation`
Rescorer.`explain(IndexSearcher searcher, Explanation firstPassExplanation, int docID)`
Explains how the score for the specified document was computed.
`Explanation`
SortRescorer.`explain(IndexSearcher searcher, Explanation firstPassExplanation, int docID)`
`protected int`
SearcherManager.`getRefCount(IndexSearcher reference)`
`protected abstract Similarity.SimScorer`
PhraseWeight.`getStats(IndexSearcher searcher)`
`static void`
TopFieldCollector.`populateScores(ScoreDoc[] topDocs, IndexSearcher searcher, Query query)`
Populate `scores` of the given `topDocs`.
`long`
SearcherLifetimeManager.`record(IndexSearcher searcher)`
Records that you are now using this IndexSearcher.
`protected IndexSearcher`
SearcherManager.`refreshIfNeeded(IndexSearcher referenceToRefresh)`
`void`
SearcherLifetimeManager.`release(IndexSearcher s)`
Release a searcher previously obtained from `SearcherLifetimeManager.acquire(long)`.
`TopDocs`
QueryRescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)`
`static TopDocs`
QueryRescorer.`rescore(IndexSearcher searcher, TopDocs topDocs, Query query, double weight, int topN)`
Sugar API, calling {#rescore} using a simple linear combination of firstPassScore + weight * secondPassScore
`abstract TopDocs`
Rescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)`
Rescore an initial first-pass `TopDocs`.
`TopDocs`
SortRescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)`
`final Query`
BlendedTermQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
BooleanQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
BoostQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
ConstantScoreQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
DisjunctionMaxQuery.`rewrite(IndexSearcher indexSearcher)`
Optimize our representation and our subqueries representations
`Query`
DocValuesRewriteMethod.`rewrite(IndexSearcher indexSearcher, MultiTermQuery query)`
`abstract DoubleValuesSource`
DoubleValuesSource.`rewrite(IndexSearcher reader)`
Return a DoubleValuesSource specialised for the given IndexSearcher
`Query`
FieldExistsQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
IndexOrDocValuesQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
IndexSortSortedNumericDocValuesRangeQuery.`rewrite(IndexSearcher indexSearcher)`
`LongValuesSource`
LongValuesSource.ConstantLongValuesSource.`rewrite(IndexSearcher searcher)`
`abstract LongValuesSource`
LongValuesSource.`rewrite(IndexSearcher searcher)`
Return a LongValuesSource specialised for the given IndexSearcher
`Query`
MultiPhraseQuery.`rewrite(IndexSearcher indexSearcher)`
`final Query`
MultiTermQuery.`rewrite(IndexSearcher indexSearcher)`
To rewrite to a simpler form, instead return a simpler enum from `MultiTermQuery.getTermsEnum(Terms, AttributeSource)`.
`abstract Query`
MultiTermQuery.RewriteMethod.`rewrite(IndexSearcher indexSearcher, MultiTermQuery query)`
`Query`
NGramPhraseQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
PhraseQuery.`rewrite(IndexSearcher indexSearcher)`
`Query`
Query.`rewrite(IndexSearcher indexSearcher)`
Expert: called to re-write queries into primitive queries.
`final Query`
ScoringRewrite.`rewrite(IndexSearcher indexSearcher, MultiTermQuery query)`
`Sort`
Sort.`rewrite(IndexSearcher searcher)`
Rewrites the SortFields in this Sort, returning a new Sort if any of the fields changes during their rewriting.
`SortField`
SortField.`rewrite(IndexSearcher searcher)`
Rewrites this SortField, returning a new SortField if a change is made.
`Query`
SynonymQuery.`rewrite(IndexSearcher indexSearcher)`
`final Query`
TopTermsRewrite.`rewrite(IndexSearcher indexSearcher, MultiTermQuery query)`
`protected boolean`
SearcherManager.`tryIncRef(IndexSearcher reference)`
Constructors in org.apache.lucene.search with parameters of type IndexSearcher
Modifier
Constructor
Description
``
`DisjunctionMaxWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost)`
Construct the Weight for this Query searched by searcher.
``
`IndriAndWeight(IndriAndQuery query, IndexSearcher searcher, ScoreMode scoreMode, float boost)`
`protected`
`PhraseWeight(Query query, String field, IndexSearcher searcher, ScoreMode scoreMode)`
Expert: Creates PhraseWeight instance

## Uses of IndexSearcher in org.apache.lucene.search.knn

Constructors in org.apache.lucene.search.knn with parameters of type IndexSearcher
Modifier
Constructor
Description
``
`TopKnnCollectorManager(int k, IndexSearcher indexSearcher)`