Class AbstractAllGroupHeadsCollector<GH>
This collector specializes in collecting the most relevant document (group head) for each group that match the query.
@lucene.experimental
Inherited Members
Assembly: Lucene.Net.Grouping.dll
Syntax
public abstract class AbstractAllGroupHeadsCollector<GH> : AbstractAllGroupHeadsCollector, ICollector where GH : AbstractAllGroupHeadsCollector_GroupHeadType Parameters
| Name | Description |
|---|---|
| GH |
Constructors
| Name | Description |
|---|---|
| AbstractAllGroupHeadsCollector(Int32) |
Fields
| Name | Description |
|---|---|
| m_compIDXEnd | |
| m_reversed | |
| m_temporalResult |
Properties
| Name | Description |
|---|---|
| AcceptsDocsOutOfOrder | |
| CollectedGroupHeads | Returns the collected group heads. Subsequent calls should return the same group heads. |
| GroupHeadsCount | The number of group heads found for a query. LUCENENET NOTE: This was groupHeadsSize() in Lucene |
Methods
| Name | Description |
|---|---|
| Collect(Int32) | |
| RetrieveGroupHeadAndAddIfNotExist(Int32) | Returns the group head and puts it into AbstractAllGroupHeadsCollector<GH>.TemporalResult. If the group head wasn't encountered before then it will be added to the collected group heads.
The Stop property will be |
| RetrieveGroupHeads() | |
| RetrieveGroupHeads(Int32) |
