Uses of Class
org.apache.lucene.search.Collector

Packages that use Collector

Package	Description
org.apache.lucene.search	Code to search indices.

Uses of Collector in org.apache.lucene.search

Subclasses of Collector in org.apache.lucene.search

Modifier and Type	Class and Description
class	CachingCollector Caches all docs, and optionally also scores, coming from a search, and is then able to replay them to another collector.
class	MultiCollector A Collector which allows running a search with several Collectors.
class	PositiveScoresOnlyCollector A Collector implementation which wraps another Collector and makes sure only documents with scores > 0 are collected.
class	TimeLimitingCollector The TimeLimitingCollector is used to timeout search requests that take longer than the maximum allowed search time limit.
class	TopDocsCollector<T extends ScoreDoc> A base class for all collectors that return a TopDocs output.
class	TopFieldCollector A Collector that sorts by SortField using FieldComparators.
class	TopScoreDocCollector A Collector implementation that collects the top-scoring hits, returning them as a TopDocs.
class	TotalHitCountCollector Just counts the total number of hits.

Fields in org.apache.lucene.search declared as Collector

Modifier and Type	Field and Description
protected Collector	CachingCollector.other

Methods in org.apache.lucene.search that return Collector

Modifier and Type	Method and Description
static Collector	MultiCollector.wrap(Collector... collectors) Wraps a list of Collectors with a MultiCollector.

Methods in org.apache.lucene.search with parameters of type Collector

Modifier and Type	Method and Description
static CachingCollector	CachingCollector.create(Collector other, boolean cacheScores, double maxRAMMB) Create a new CachingCollector that wraps the given collector and caches documents and scores up to the specified RAM threshold.
static CachingCollector	CachingCollector.create(Collector other, boolean cacheScores, int maxDocsToCache) Create a new CachingCollector that wraps the given collector and caches documents and scores up to the specified max docs threshold.
abstract void	CachingCollector.replay(Collector other) Replays the cached doc IDs (and scores) to the given Collector.
void	ConstantScoreQuery.ConstantScorer.score(Collector collector)
void	ScoreCachingWrappingScorer.score(Collector collector)
void	Scorer.score(Collector collector) Scores and collects all matching documents.
boolean	ConstantScoreQuery.ConstantScorer.score(Collector collector, int max, int firstDocID)
boolean	ScoreCachingWrappingScorer.score(Collector collector, int max, int firstDocID)
boolean	Scorer.score(Collector collector, int max, int firstDocID) Expert: Collects matching documents in a range.
protected void	IndexSearcher.search(List<AtomicReaderContext> leaves, Weight weight, Collector collector) Lower-level search API.
void	IndexSearcher.search(Query query, Collector results) Lower-level search API.
void	IndexSearcher.search(Query query, Filter filter, Collector results) Lower-level search API.
void	TimeLimitingCollector.setCollector(Collector collector) This is so the same timer can be used with a multi-phase search process such as grouping.
static Collector	MultiCollector.wrap(Collector... collectors) Wraps a list of Collectors with a MultiCollector.

Constructors in org.apache.lucene.search with parameters of type Collector

Constructor and Description
PositiveScoresOnlyCollector(Collector c)
TimeLimitingCollector(Collector collector, Counter clock, long ticksAllowed) Create a TimeLimitedCollector wrapper over another Collector with a specified timeout.