Class BlockJoinComparerSource

Helper class to sort readers that contain blocks of documents.

Note that this class is intended to used with SortingMergePolicy, and for other purposes has some limitations:

@lucene.experimental

Inheritance
System.Object
FieldComparerSource
BlockJoinComparerSource
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Index.Sorter
Assembly: Lucene.Net.Misc.dll
Syntax
public class BlockJoinComparerSource : FieldComparerSource

Constructors

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BlockJoinComparerSource(Filter, Sort)

Create a new BlockJoinComparerSource, sorting only blocks of documents with parentSort and not reordering children with a block.

Declaration
public BlockJoinComparerSource(Filter parentsFilter, Sort parentSort)
Parameters
Type Name Description
Filter parentsFilter

Filter identifying parent documents

Sort parentSort

Sort for parent documents

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BlockJoinComparerSource(Filter, Sort, Sort)

Create a new BlockJoinComparerSource, specifying the sort order for both blocks of documents and children within a block.

Declaration
public BlockJoinComparerSource(Filter parentsFilter, Sort parentSort, Sort childSort)
Parameters
Type Name Description
Filter parentsFilter

Filter identifying parent documents

Sort parentSort

Sort for parent documents

Sort childSort

Sort for child documents in the same block

Methods

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NewComparer(String, Int32, Int32, Boolean)

Declaration
public override FieldComparer NewComparer(string fieldname, int numHits, int sortPos, bool reversed)
Parameters
Type Name Description
System.String fieldname
System.Int32 numHits
System.Int32 sortPos
System.Boolean reversed
Returns
Type Description
FieldComparer
Overrides
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ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()

Extension Methods