org.apache.lucene.search.join
Class ToParentBlockJoinFieldComparator
java.lang.Object
org.apache.lucene.search.FieldComparator<Object>
org.apache.lucene.search.join.ToParentBlockJoinFieldComparator
- Direct Known Subclasses:
- ToParentBlockJoinFieldComparator.Highest, ToParentBlockJoinFieldComparator.Lowest
public abstract class ToParentBlockJoinFieldComparator
- extends FieldComparator<Object>
A field comparator that allows parent documents to be sorted by fields
from the nested / child documents.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
Nested classes/interfaces inherited from class org.apache.lucene.search.FieldComparator |
FieldComparator.ByteComparator, FieldComparator.DocComparator, FieldComparator.DoubleComparator, FieldComparator.FloatComparator, FieldComparator.IntComparator, FieldComparator.LongComparator, FieldComparator.NumericComparator<T extends Number>, FieldComparator.RelevanceComparator, FieldComparator.ShortComparator, FieldComparator.TermOrdValComparator, FieldComparator.TermValComparator |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
compare
public int compare(int slot1,
int slot2)
- Specified by:
compare
in class FieldComparator<Object>
setBottom
public void setBottom(int slot)
- Specified by:
setBottom
in class FieldComparator<Object>
setNextReader
public FieldComparator<Object> setNextReader(AtomicReaderContext context)
throws IOException
- Specified by:
setNextReader
in class FieldComparator<Object>
- Throws:
IOException
value
public Object value(int slot)
- Specified by:
value
in class FieldComparator<Object>
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