org.apache.lucene.search.grouping.term
Class TermSecondPassGroupingCollector
java.lang.Object
org.apache.lucene.search.Collector
org.apache.lucene.search.grouping.AbstractSecondPassGroupingCollector<BytesRef>
org.apache.lucene.search.grouping.term.TermSecondPassGroupingCollector
public class TermSecondPassGroupingCollector
- extends AbstractSecondPassGroupingCollector<BytesRef>
Concrete implementation of AbstractSecondPassGroupingCollector
that groups based on
field values and more specifically uses SortedDocValues
to collect grouped docs.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
TermSecondPassGroupingCollector
public TermSecondPassGroupingCollector(String groupField,
Collection<SearchGroup<BytesRef>> groups,
Sort groupSort,
Sort withinGroupSort,
int maxDocsPerGroup,
boolean getScores,
boolean getMaxScores,
boolean fillSortFields)
throws IOException
- Throws:
IOException
setNextReader
public void setNextReader(AtomicReaderContext readerContext)
throws IOException
- Overrides:
setNextReader
in class AbstractSecondPassGroupingCollector<BytesRef>
- Throws:
IOException
retrieveGroup
protected AbstractSecondPassGroupingCollector.SearchGroupDocs<BytesRef> retrieveGroup(int doc)
throws IOException
- Description copied from class:
AbstractSecondPassGroupingCollector
- Returns the group the specified doc belongs to or
null
if no group could be retrieved.
- Specified by:
retrieveGroup
in class AbstractSecondPassGroupingCollector<BytesRef>
- Parameters:
doc
- The specified doc
- Returns:
- the group the specified doc belongs to or
null
if no group could be retrieved
- Throws:
IOException
- If an I/O related error occurred
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