CreateFieldValueHitQueue Creates a hit queue sorted by the given list of fields.

FromTermsEnumMatchesIterator Create a DisjunctionMatchesIterator over a list of terms extracted from a BytesRefIterator Only terms that have at least one match in the given document will be included.

GetMaxClauseCount Return the maximum number of clauses permitted, 1024 by default.

HitsThresholdCheckerCreateShared Returns a threshold checker that is based on a shared counter.

IntersectIterators Create a conjunction over the provided Scorers.

MatchesForField Create a Matches for a single field.

MatchesFromSubMatches Amalgamate a collection of Matches into a single object.

NewBM25Similarity BM25 with these default values: * k1 = 1.2 * b = 0.75.

NewConstantScoreScorer Constructor based on a DocIdSetIterator which will be used to drive iteration.

NewDocIdSetBuilder Create a builder that can contain doc IDs between 0 and maxDoc.

NewDocIdSetBuilderV1 Create a DocIdSetBuilder instance that is optimized for accumulating docs that match the given Terms.

NewDocIdSetBuilderV2 Create a DocIdSetBuilder instance that is optimized for accumulating docs that match the given PointValues.

NewFieldDoc Expert: Creates one of these objects with empty sort information.

NewFieldDocV1 Expert: Creates one of these objects with the given sort information.

NewFieldDocV2 Expert: Creates one of these objects with the given sort information.

NewLeafSimScorer org.apache.lucene.search.similarities.Similarity.SimScorer on a specific LeafReader.

NewReqOptSumScorer Construct a ReqOptScorer.

NewTermQueryV1 Expert: constructs a TermQuery that will use the provided docFreq instead of looking up the docFreq against the searcher.

NewTopDocs Constructs a TopDocs.

NewTopFieldDocs Creates one of these objects.

DEFAULT_INTERVAL we use 2^10-1 to check the remainder with a bitwise operation.

COMPLETE Produced scorers will allow visiting all matches and get their score.

COMPLETE_NO_SCORES Produced scorers will allow visiting all matches but scores won't be available.

TOP_DOCS ScoreMode for top field collectors that can provide their own iterators, to optionally allow to skip for non-competitive docs.

TOP_DOCS_WITH_SCORES ScoreMode for top field collectors that can provide their own iterators, to optionally allow to skip for non-competitive docs.

TOP_SCORES Produced scorers will optionally allow skipping over non-competitive hits using the Scorer.SetMinCompetitiveScore(float) API.

AutomatonQuery A Query that will match terms against a finite-state machine.

BaseTopDocs Represents hits returned by IndexSearcher.search(Query, int).

BM25Similarity BM25 Similarity.

BooleanClause A clause in a BooleanQuery.

BooleanQuery A Query that matches documents matching boolean combinations of other queries, e.g.

BooleanQueryBuilder A builder for boolean queries.

BooleanWeight Expert: the Weight for BooleanQuery, used to normalize, score and explain these queries.

BoostQuery A Query wrapper that allows to give a boost to the wrapped query.

ConjunctionDISI A conjunction of DocIdSetIterators.

ConjunctionScorer Create a new ConjunctionScorer, note that scorers must be a subset of required.

ConstantScoreQuery A query that wraps another query and simply returns a constant score equal to 1 for every document that matches the query.

DisiPriorityQueue A priority queue of DocIdSetIterators that orders by current doc ID.

DisiWrapper Wrapper used in DisiPriorityQueue.

DisjunctionMaxQuery A query that generates the union of documents produced by its subqueries, and that scores each document with the maximum score for that document as produced by any subquery, plus a tie breaking increment for any additional matching subqueries.

DisjunctionScorer Base class for Scorers that score disjunctions.

DisjunctionSumScorer A Scorer for OR like queries, counterpart of ConjunctionScorer.

DocIdSetBuilder A builder of DocIdSets.

DocValuesFieldExistsQuery A Query that matches documents that have a value for a given field as reported by doc values iterators.

A FilterScorer contains another Scorer, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

GlobalHitsThresholdChecker Implementation of HitsThresholdChecker which allows global hit counting.

ImpactsDISI DocIdSetIterator that skips non-competitive docs thanks to the indexed impacts.

LocalHitsThresholdChecker Default implementation of HitsThresholdChecker to be used for single threaded execution.

MatchNoDocsQuery A query that matches no documents.

MaxScoreAccumulator Maintains the maximum score and its corresponding document id concurrently.

MaxScoreCache Compute maximum scores based on Impacts and keep them in a cache in order not to run expensive similarity score computations multiple times on the same data.

MaxScoreSumPropagator Utility class to propagate scoring information in BooleanQuery, which compute the score as the sum of the scores of its matching clauses.

NamedMatches Utility class to help extract the set of sub queries that have matched from a larger query.

ReqExclScorer A Scorer for queries with a required subscorer and an excluding (prohibited) sub Scorer.

ReqOptSumScorer A Scorer for queries with a required part and an optional part.

ShardRef Refers to one hit:.

TermInSetQuery Specialization for a disjunction over many terms that behaves like a ConstantScoreQuery over a BooleanQuery containing only BooleanClause.Occur.OccurShould clauses.

TermMatchesIterator A MatchesIterator over a single term's postings list.

TermQuery A Query that matches documents containing a term.

TermScorer Expert: A Scorer for documents matching a Term.

WANDScorer This implements the WAND (Weak AND) algorithm for dynamic pruning described in "Efficient Query Evaluation using a Two-Level Retrieval Process" by Broder, Carmel, Herscovici, Soffer and Zien.

BulkAdder Utility class to efficiently add many docs in one go.

CollectorManager A manager of collectors.

A DocIdSet contains a set of doc ids.

FieldDoc Expert: A ScoreDoc which also contains information about how to sort the referenced document.

FieldValueHitQueue Expert: A hit queue for sorting by hits by terms in more than one field.

HitsThresholdChecker Used for defining custom algorithms to allow searches to early terminate.

MultiTermQuery An abstract Query that matches documents containing a subset of terms provided by a FilteredTermsEnum enumeration.

RewriteMethod Abstract class that defines how the query is rewritten.

SimpleCollector Base Collector implementation that is used to collect all contexts.

TopDocsCollector A base class for all collectors that return a TopDocs output.

TopScoreDocCollector A Collector implementation that collects the top-scoring hits, returning them as a TopDocs.