Uses of Class
org.apache.lucene.search.Collector
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Packages that use Collector Package Description org.apache.lucene.benchmark.byTask.tasks Extendable benchmark tasks.org.apache.lucene.facet.search Faceted Search APIorg.apache.lucene.search Code to search indices.org.apache.lucene.search.grouping This module enables search result grouping with Lucene, where hits with the same value in the specified single-valued group field are grouped together.org.apache.lucene.search.join This modules support index-time and query-time joins. -
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Uses of Collector in org.apache.lucene.benchmark.byTask.tasks
Methods in org.apache.lucene.benchmark.byTask.tasks that return Collector Modifier and Type Method Description protected Collector
ReadTask. createCollector()
protected Collector
SearchWithCollectorTask. createCollector()
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Uses of Collector in org.apache.lucene.facet.search
Subclasses of Collector in org.apache.lucene.facet.search Modifier and Type Class Description class
FacetsCollector
Collector for facet accumulation.class
ScoredDocIdCollector
ACollector
which stores all docIDs and their scores in aScoredDocIDs
instance. -
Uses of Collector in org.apache.lucene.search
Subclasses of Collector in org.apache.lucene.search Modifier and Type Class Description class
CachingCollector
Caches all docs, and optionally also scores, coming from a search, and is then able to replay them to another collector.static class
CheckHits.ExplanationAsserter
Asserts that the score explanation for every document matching a query corresponds with the true score.static class
CheckHits.SetCollector
Just collects document ids into a set.class
MultiCollector
class
PositiveScoresOnlyCollector
class
TimeLimitingCollector
TheTimeLimitingCollector
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 aTopDocs
output.class
TopFieldCollector
class
TopScoreDocCollector
class
TotalHitCountCollector
Just counts the total number of hits.Fields in org.apache.lucene.search declared as Collector Modifier and Type Field Description protected Collector
CachingCollector. other
Methods in org.apache.lucene.search that return Collector Modifier and Type Method Description static Collector
MultiCollector. wrap(Collector... collectors)
Wraps a list ofCollector
s with aMultiCollector
.Methods in org.apache.lucene.search with parameters of type Collector Modifier and Type Method Description static CachingCollector
CachingCollector. create(Collector other, boolean cacheScores, double maxRAMMB)
Create a newCachingCollector
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 newCachingCollector
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)
protected boolean
ConstantScoreQuery.ConstantScorer. score(Collector collector, int max, int firstDocID)
void
ScoreCachingWrappingScorer. score(Collector collector)
protected boolean
ScoreCachingWrappingScorer. score(Collector collector, int max, int firstDocID)
void
Scorer. score(Collector collector)
Scores and collects all matching documents.protected boolean
Scorer. score(Collector collector, int max, int firstDocID)
Expert: Collects matching documents in a range.void
CheckHits.ExplanationAssertingSearcher. search(Query query, Collector results)
void
CheckHits.ExplanationAssertingSearcher. search(Query query, Filter filter, Collector results)
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
IndexSearcher. search(Weight weight, Filter filter, Collector collector)
Lower-level search API.void
MultiSearcher. search(Weight weight, Filter filter, Collector collector)
Deprecated.void
ParallelMultiSearcher. search(Weight weight, Filter filter, Collector collector)
Deprecated.Lower-level search API.void
RemoteSearchable. search(Weight weight, Filter filter, Collector results)
Deprecated.void
Searchable. search(Weight weight, Filter filter, Collector collector)
Deprecated.Lower-level search API.void
Searcher. search(Query query, Collector results)
Deprecated.Lower-level search API.void
Searcher. search(Query query, Filter filter, Collector results)
Deprecated.Lower-level search API.abstract void
Searcher. search(Weight weight, Filter filter, Collector results)
Deprecated.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 ofCollector
s with aMultiCollector
.Constructors in org.apache.lucene.search with parameters of type Collector Constructor Description PositiveScoresOnlyCollector(Collector c)
TimeLimitingCollector(Collector collector, Counter clock, long ticksAllowed)
Create a TimeLimitedCollector wrapper over anotherCollector
with a specified timeout. -
Uses of Collector in org.apache.lucene.search.grouping
Subclasses of Collector in org.apache.lucene.search.grouping Modifier and Type Class Description class
AbstractAllGroupHeadsCollector<GH extends AbstractAllGroupHeadsCollector.GroupHead>
This collector specializes in collecting the most relevant document (group head) for each group that match the query.class
AbstractAllGroupsCollector<GROUP_VALUE_TYPE>
A collector that collects all groups that match the query.class
AbstractFirstPassGroupingCollector<GROUP_VALUE_TYPE>
FirstPassGroupingCollector is the first of two passes necessary to collect grouped hits.class
AbstractSecondPassGroupingCollector<GROUP_VALUE_TYPE>
SecondPassGroupingCollector is the second of two passes necessary to collect grouped docs.class
BlockGroupingCollector
BlockGroupingCollector performs grouping with a single pass collector, as long as you are grouping by a doc block field, ie all documents sharing a given group value were indexed as a doc block using the atomicIndexWriter.addDocuments(java.util.Collection<org.apache.lucene.document.Document>)
orIndexWriter.updateDocuments(org.apache.lucene.index.Term, java.util.Collection<org.apache.lucene.document.Document>)
API.class
TermAllGroupHeadsCollector<GH extends AbstractAllGroupHeadsCollector.GroupHead>
A base implementation ofAbstractAllGroupHeadsCollector
for retrieving the most relevant groups when grouping on a string based group field.class
TermAllGroupsCollector
A collector that collects all groups that match the query.class
TermFirstPassGroupingCollector
Concrete implementation ofAbstractFirstPassGroupingCollector
that groups based on field values and more specifically usesFieldCache.StringIndex
to collect groups.class
TermSecondPassGroupingCollector
Concrete implementation ofAbstractSecondPassGroupingCollector
that groups based on field values and more specifically usesFieldCache.StringIndex
to collect grouped docs. -
Uses of Collector in org.apache.lucene.search.join
Subclasses of Collector in org.apache.lucene.search.join Modifier and Type Class Description class
ToParentBlockJoinCollector
Collects parent document hits for a Query containing one more more BlockJoinQuery clauses, sorted by the specified parent Sort.
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