Package org.elasticsearch.index.fielddata

Class IndexFieldData.XFieldComparatorSource.Nested

java.lang.Object

org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested

Enclosing class:

IndexFieldData.XFieldComparatorSource

public static class IndexFieldData.XFieldComparatorSource.Nested
extends java.lang.Object

Simple wrapper class around a filter that matches parent documents and a filter that matches child documents. For every root document R, R will be in the parent filter and its children documents will be the documents that are contained in the inner set between the previous parent + 1, or 0 if there is no previous parent, and R (excluded).

Constructor Summary

Constructors

Constructor	Description
Nested(org.apache.lucene.search.join.BitSetProducer rootFilter, org.apache.lucene.search.Query innerQuery, NestedSortBuilder nestedSort, java.util.function.Function<org.apache.lucene.index.IndexReaderContext,org.apache.lucene.search.IndexSearcher> searcherFactory)

Method Summary

Modifier and Type	Method	Description
org.apache.lucene.search.Query	getInnerQuery()
NestedSortBuilder	getNestedSort()
org.apache.lucene.search.join.BitSetProducer	getRootFilter()
org.apache.lucene.search.DocIdSetIterator	innerDocs(org.apache.lucene.index.LeafReaderContext ctx)	Get a DocIdSet that matches the inner documents.
org.apache.lucene.util.BitSet	rootDocs(org.apache.lucene.index.LeafReaderContext ctx)	Get a BitDocIdSet that matches the root documents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Nested

public Nested(org.apache.lucene.search.join.BitSetProducer rootFilter,
              org.apache.lucene.search.Query innerQuery,
              NestedSortBuilder nestedSort,
              java.util.function.Function<org.apache.lucene.index.IndexReaderContext,org.apache.lucene.search.IndexSearcher> searcherFactory)

Method Detail

getInnerQuery

public org.apache.lucene.search.Query getInnerQuery()

getRootFilter

public org.apache.lucene.search.join.BitSetProducer getRootFilter()

getNestedSort

public NestedSortBuilder getNestedSort()

rootDocs

public org.apache.lucene.util.BitSet rootDocs(org.apache.lucene.index.LeafReaderContext ctx)
                                       throws java.io.IOException

Get a BitDocIdSet that matches the root documents.

Throws:

java.io.IOException

innerDocs

public org.apache.lucene.search.DocIdSetIterator innerDocs(org.apache.lucene.index.LeafReaderContext ctx)
                                                    throws java.io.IOException

Get a DocIdSet that matches the inner documents.

Throws:

java.io.IOException