Uses of Package
org.apache.lucene.search.grouping

Packages that use org.apache.lucene.search.grouping

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.grouping.function	Support for grouping by {org.apache.lucene.queries.function.ValueSource}.
org.apache.lucene.search.grouping.term	Support for grouping by indexed terms via {org.apache.lucene.search.FieldCache}.

Classes in org.apache.lucene.search.grouping used by org.apache.lucene.search.grouping

AbstractAllGroupHeadsCollector.GroupHead
Represents a group head.

AbstractAllGroupHeadsCollector.TemporalResult
Contains the result of group head retrieval.

AbstractDistinctValuesCollector.GroupCount
Returned by AbstractDistinctValuesCollector.getGroups(), representing the value and set of distinct values for the group.

AbstractGroupFacetCollector.FacetEntry
Represents a facet entry with a value and a count.

AbstractGroupFacetCollector.GroupedFacetResult
The grouped facet result.

AbstractGroupFacetCollector.SegmentResult
Contains the local grouped segment counts for a particular segment.

AbstractSecondPassGroupingCollector.SearchGroupDocs

CollectedSearchGroup
Expert: representation of a group in AbstractFirstPassGroupingCollector, tracking the top doc and FieldComparator slot.

GroupDocs
Represents one group in the results.

GroupingSearch
Convenience class to perform grouping in a non distributed environment.

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

TopGroups
Represents result returned by a grouping search.

TopGroups.ScoreMergeMode
How the GroupDocs score (if any) should be merged.

Classes in org.apache.lucene.search.grouping used by org.apache.lucene.search.grouping.function

AbstractAllGroupHeadsCollector
This collector specializes in collecting the most relevant document (group head) for each group that match the query.

AbstractAllGroupHeadsCollector.GroupHead
Represents a group head.

AbstractAllGroupsCollector
A collector that collects all groups that match the query.

AbstractDistinctValuesCollector
A second pass grouping collector that keeps track of distinct values for a specified field for the top N group.

AbstractDistinctValuesCollector.GroupCount
Returned by AbstractDistinctValuesCollector.getGroups(), representing the value and set of distinct values for the group.

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

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

AbstractSecondPassGroupingCollector.SearchGroupDocs

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

Classes in org.apache.lucene.search.grouping used by org.apache.lucene.search.grouping.term

AbstractAllGroupHeadsCollector
This collector specializes in collecting the most relevant document (group head) for each group that match the query.

AbstractAllGroupHeadsCollector.GroupHead
Represents a group head.

AbstractAllGroupsCollector
A collector that collects all groups that match the query.

AbstractDistinctValuesCollector
A second pass grouping collector that keeps track of distinct values for a specified field for the top N group.

AbstractDistinctValuesCollector.GroupCount
Returned by AbstractDistinctValuesCollector.getGroups(), representing the value and set of distinct values for the group.

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

AbstractGroupFacetCollector
Base class for computing grouped facets.

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

AbstractSecondPassGroupingCollector.SearchGroupDocs

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