Class ToParentBlockJoinSortField

A special sort field that allows sorting parent docs based on nested / child level fields. Based on the sort order it either takes the document with the lowest or highest field value into account.

This is a Lucene.NET EXPERIMENTAL API, use at your own risk
Inheritance
System.Object
SortField
ToParentBlockJoinSortField
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Join
Assembly: Lucene.Net.Join.dll
Syntax
public class ToParentBlockJoinSortField : SortField

Constructors

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ToParentBlockJoinSortField(String, SortFieldType, Boolean, Filter, Filter)

Create ToParentBlockJoinSortField. The parent document ordering is based on child document ordering (reverse).

Declaration
public ToParentBlockJoinSortField(string field, SortFieldType type, bool reverse, Filter parentFilter, Filter childFilter)
Parameters
Type Name Description
System.String field

The sort field on the nested / child level.

SortFieldType type

The sort type on the nested / child level.

System.Boolean reverse

Whether natural order should be reversed on the nested / child level.

Filter parentFilter

Filter that identifies the parent documents.

Filter childFilter

Filter that defines which child documents participates in sorting.

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ToParentBlockJoinSortField(String, SortFieldType, Boolean, Boolean, Filter, Filter)

Create ToParentBlockJoinSortField.

Declaration
public ToParentBlockJoinSortField(string field, SortFieldType type, bool reverse, bool order, Filter parentFilter, Filter childFilter)
Parameters
Type Name Description
System.String field

The sort field on the nested / child level.

SortFieldType type

The sort type on the nested / child level.

System.Boolean reverse

Whether natural order should be reversed on the nested / child document level.

System.Boolean order

Whether natural order should be reversed on the parent level.

Filter parentFilter

Filter that identifies the parent documents.

Filter childFilter

Filter that defines which child documents participates in sorting.

Methods

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GetComparer(Int32, Int32)

Declaration
public override FieldComparer GetComparer(int numHits, int sortPos)
Parameters
Type Name Description
System.Int32 numHits
System.Int32 sortPos
Returns
Type Description
FieldComparer
Overrides