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

- Packages that use TopDocs
  Package | Description
  --- | ---
  org.apache.lucene.search | Code to search indices.

- - ### Uses of TopDocs in org.apache.lucene.search

    Subclasses of TopDocs in org.apache.lucene.search
    Modifier and Type | Class and Description
    --- | ---
    `class` | `TopFieldDocs` Represents hits returned by `IndexSearcher.search(Query,int,Sort)`.

    Fields in org.apache.lucene.search declared as TopDocs
    Modifier and Type | Field and Description
    --- | ---
    `protected static TopDocs` | TopDocsCollector.`EMPTY_TOPDOCS` This is used in case topDocs() is called with illegal parameters, or there simply aren't (enough) results.

    Methods in org.apache.lucene.search that return TopDocs
    Modifier and Type | Method and Description
    --- | ---
    `static TopDocs` | TopDocs.`merge(int start, int topN, TopDocs[] shardHits)` Same as `merge(int, TopDocs[])` but also ignores the top `start` top docs.
    `static TopDocs` | TopDocs.`merge(int topN, TopDocs[] shardHits)` Returns a new TopDocs, containing topN results across the provided TopDocs, sorting by score.
    `protected TopDocs` | TopFieldCollector.`newTopDocs(ScoreDoc[] results, int start)`
    `protected TopDocs` | TopDocsCollector.`newTopDocs(ScoreDoc[] results, int start)` Returns a `TopDocs` instance containing the given results.
    `protected TopDocs` | TopScoreDocCollector.`newTopDocs(ScoreDoc[] results, int start)`
    `abstract TopDocs` | Rescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)` Rescore an initial first-pass `TopDocs`.
    `TopDocs` | QueryRescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)`
    `TopDocs` | SortRescorer.`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
    `TopDocs` | IndexSearcher.`search(Query query, Filter filter, int n)` Deprecated. Use `boolean queries` with `BooleanClause.Occur.FILTER` clauses instead
    `TopDocs` | IndexSearcher.`search(Query query, int n)` Finds the top `n` hits for `query`.
    `TopDocs` | IndexSearcher.`searchAfter(ScoreDoc after, Query query, Filter filter, int n)` Deprecated. Use `boolean queries` with `BooleanClause.Occur.FILTER` clauses instead
    `TopDocs` | IndexSearcher.`searchAfter(ScoreDoc after, Query query, int numHits)` Finds the top `n` hits for `query` where all results are after a previous result (`after`).
    `TopDocs` | IndexSearcher.`searchAfter(ScoreDoc after, Query query, int n, Sort sort)` Finds the top `n` hits for `query` where all results are after a previous result (`after`).
    `TopDocs` | TopDocsCollector.`topDocs()` Returns the top docs that were collected by this collector.
    `TopDocs` | TopDocsCollector.`topDocs(int start)` Returns the documents in the range [start ..
    `TopDocs` | TopDocsCollector.`topDocs(int start, int howMany)` Returns the documents in the range [start ..

    Methods in org.apache.lucene.search with parameters of type TopDocs
    Modifier and Type | Method and Description
    --- | ---
    `static TopDocs` | TopDocs.`merge(int start, int topN, TopDocs[] shardHits)` Same as `merge(int, TopDocs[])` but also ignores the top `start` top docs.
    `static TopDocs` | TopDocs.`merge(int topN, TopDocs[] shardHits)` Returns a new TopDocs, containing topN results across the provided TopDocs, sorting by score.
    `abstract TopDocs` | Rescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)` Rescore an initial first-pass `TopDocs`.
    `TopDocs` | QueryRescorer.`rescore(IndexSearcher searcher, TopDocs firstPassTopDocs, int topN)`
    `TopDocs` | SortRescorer.`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

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