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A

AbstractAllGroupsCollector<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

A collector that collects all groups that match the query.

AbstractAllGroupsCollector() - Constructor for class org.apache.lucene.search.grouping.AbstractAllGroupsCollector

AbstractFirstPassGroupingCollector<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

FirstPassGroupingCollector is the first of two passes necessary to collect grouped hits.

AbstractFirstPassGroupingCollector(Sort, int) - Constructor for class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

Create the first pass collector.

AbstractSecondPassGroupingCollector<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

SecondPassGroupingCollector is the second of two passes necessary to collect grouped docs.

AbstractSecondPassGroupingCollector(Collection<SearchGroup<GROUP_VALUE_TYPE>>, Sort, Sort, int, boolean, boolean, boolean) - Constructor for class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

AbstractSecondPassGroupingCollector.SearchGroupDocs<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

AbstractSecondPassGroupingCollector.SearchGroupDocs(GROUP_VALUE_TYPE, TopDocsCollector) - Constructor for class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector.SearchGroupDocs

acceptsDocsOutOfOrder() - Method in class org.apache.lucene.search.grouping.AbstractAllGroupsCollector

acceptsDocsOutOfOrder() - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

acceptsDocsOutOfOrder() - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

acceptsDocsOutOfOrder() - Method in class org.apache.lucene.search.grouping.BlockGroupingCollector

B

BlockGroupingCollector - Class in org.apache.lucene.search.grouping

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 atomic IndexWriter.addDocuments(java.util.Collection) or IndexWriter.updateDocuments(org.apache.lucene.index.Term, java.util.Collection) API.

BlockGroupingCollector(Sort, int, boolean, Filter) - Constructor for class org.apache.lucene.search.grouping.BlockGroupingCollector

Create the single pass collector.

C

collect(int) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

collect(int) - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

collect(int) - Method in class org.apache.lucene.search.grouping.BlockGroupingCollector

collect(int) - Method in class org.apache.lucene.search.grouping.TermAllGroupsCollector

collector - Variable in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector.SearchGroupDocs

copyDocGroupValue(GROUP_VALUE_TYPE, GROUP_VALUE_TYPE) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

Returns a copy of the specified group value by creating a new instance and copying the value from the specified groupValue in the new instance.

copyDocGroupValue(String, String) - Method in class org.apache.lucene.search.grouping.TermFirstPassGroupingCollector

G

getDocGroupValue(int) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

Returns the group value for the specified doc.

getDocGroupValue(int) - Method in class org.apache.lucene.search.grouping.TermFirstPassGroupingCollector

getGroupCount() - Method in class org.apache.lucene.search.grouping.AbstractAllGroupsCollector

Returns the total number of groups for the executed search.

getGroups() - Method in class org.apache.lucene.search.grouping.AbstractAllGroupsCollector

Returns the group values

This is an unordered collections of group values.

getGroups() - Method in class org.apache.lucene.search.grouping.TermAllGroupsCollector

Returns the group values

This is an unordered collections of group values.

getTopGroups(int, boolean) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

Returns top groups, starting from offset.

getTopGroups(int) - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

getTopGroups(Sort, int, int, int, boolean) - Method in class org.apache.lucene.search.grouping.BlockGroupingCollector

Returns the grouped results.

groupDocs - Variable in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

GroupDocs<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

Represents one group in the results.

GroupDocs(float, int, ScoreDoc[], GROUP_VALUE_TYPE, Object[]) - Constructor for class org.apache.lucene.search.grouping.GroupDocs

groupMap - Variable in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

groups - Variable in class org.apache.lucene.search.grouping.TopGroups

Group results in groupSort order

groupSort - Variable in class org.apache.lucene.search.grouping.TopGroups

How groups are sorted against each other

groupSortValues - Variable in class org.apache.lucene.search.grouping.GroupDocs

Matches the groupSort passed to AbstractFirstPassGroupingCollector.

groupValue - Variable in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector.SearchGroupDocs

groupValue - Variable in class org.apache.lucene.search.grouping.GroupDocs

The groupField value for all docs in this group; this may be null if hits did not have the groupField.

groupValue - Variable in class org.apache.lucene.search.grouping.SearchGroup

The value that defines this group

M

maxScore - Variable in class org.apache.lucene.search.grouping.GroupDocs

Max score in this group

merge(List<Collection<SearchGroup<T>>>, int, int, Sort) - Static method in class org.apache.lucene.search.grouping.SearchGroup

Merges multiple collections of top groups, for example obtained from separate index shards.

merge(TopGroups<T>[], Sort, Sort, int, int) - Static method in class org.apache.lucene.search.grouping.TopGroups

Merges an array of TopGroups, for example obtained from the second-pass collector across multiple shards.

O

org.apache.lucene.search.grouping - package 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.

R

retrieveGroup(int) - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

Returns the group the specified doc belongs to or null if no group could be retrieved.

retrieveGroup(int) - Method in class org.apache.lucene.search.grouping.TermSecondPassGroupingCollector

S

scoreDocs - Variable in class org.apache.lucene.search.grouping.GroupDocs

Hits; this may be FieldDoc instances if the withinGroupSort sorted by fields.

SearchGroup<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

Represents a group that is found during the first pass search.

SearchGroup() - Constructor for class org.apache.lucene.search.grouping.SearchGroup

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.BlockGroupingCollector

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.TermAllGroupsCollector

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.TermFirstPassGroupingCollector

setNextReader(IndexReader, int) - Method in class org.apache.lucene.search.grouping.TermSecondPassGroupingCollector

setScorer(Scorer) - Method in class org.apache.lucene.search.grouping.AbstractAllGroupsCollector

setScorer(Scorer) - Method in class org.apache.lucene.search.grouping.AbstractFirstPassGroupingCollector

setScorer(Scorer) - Method in class org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector

setScorer(Scorer) - Method in class org.apache.lucene.search.grouping.BlockGroupingCollector

sortValues - Variable in class org.apache.lucene.search.grouping.SearchGroup

The sort values used during sorting.

T

TermAllGroupsCollector - Class in org.apache.lucene.search.grouping

A collector that collects all groups that match the query.

TermAllGroupsCollector(String, int) - Constructor for class org.apache.lucene.search.grouping.TermAllGroupsCollector

Expert: Constructs a AbstractAllGroupsCollector

TermAllGroupsCollector(String) - Constructor for class org.apache.lucene.search.grouping.TermAllGroupsCollector

Constructs a AbstractAllGroupsCollector.

TermFirstPassGroupingCollector - Class in org.apache.lucene.search.grouping

Concrete implementation of AbstractFirstPassGroupingCollector that groups based on field values and more specifically uses FieldCache.StringIndex to collect groups.

TermFirstPassGroupingCollector(String, Sort, int) - Constructor for class org.apache.lucene.search.grouping.TermFirstPassGroupingCollector

Create the first pass collector.

TermSecondPassGroupingCollector - Class in org.apache.lucene.search.grouping

Concrete implementation of AbstractSecondPassGroupingCollector that groups based on field values and more specifically uses FieldCache.StringIndex to collect grouped docs.

TermSecondPassGroupingCollector(String, Collection<SearchGroup<String>>, Sort, Sort, int, boolean, boolean, boolean) - Constructor for class org.apache.lucene.search.grouping.TermSecondPassGroupingCollector

TopGroups<GROUP_VALUE_TYPE> - Class in org.apache.lucene.search.grouping

Represents result returned by a grouping search.

TopGroups(SortField[], SortField[], int, int, GroupDocs<GROUP_VALUE_TYPE>[]) - Constructor for class org.apache.lucene.search.grouping.TopGroups

TopGroups(TopGroups<GROUP_VALUE_TYPE>, Integer) - Constructor for class org.apache.lucene.search.grouping.TopGroups

toString() - Method in class org.apache.lucene.search.grouping.SearchGroup

totalGroupCount - Variable in class org.apache.lucene.search.grouping.TopGroups

The total number of unique groups.

totalGroupedHitCount - Variable in class org.apache.lucene.search.grouping.TopGroups

Number of documents grouped into the topN groups

totalHitCount - Variable in class org.apache.lucene.search.grouping.TopGroups

Number of documents matching the search

totalHits - Variable in class org.apache.lucene.search.grouping.GroupDocs

Total hits within this group

W

withinGroupSort - Variable in class org.apache.lucene.search.grouping.TopGroups

How docs are sorted within each group

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