Class MultiDocValues

A wrapper for CompositeReader providing access to DocValues.

NOTE: for multi readers, you'll get better performance by gathering the sub readers using Context to get the atomic leaves and then operate per-AtomicReader, instead of using this class.

NOTE: this is very costly.

@lucene.experimental

This is a Lucene.NET INTERNAL API, use at your own risk
Inheritance
System.Object
MultiDocValues
Namespace: Lucene.Net.Index
Assembly: Lucene.Net.dll
Syntax
public class MultiDocValues : object

Methods

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GetBinaryValues(IndexReader, String)

Returns a BinaryDocValues for a reader's docvalues (potentially merging on-the-fly)

This is a slow way to access binary values. Instead, access them per-segment with GetBinaryDocValues(String)

Declaration
public static BinaryDocValues GetBinaryValues(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
BinaryDocValues
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GetDocsWithField(IndexReader, String)

Returns a IBits for a reader's docsWithField (potentially merging on-the-fly)

This is a slow way to access this bitset. Instead, access them per-segment with GetDocsWithField(String)

Declaration
public static IBits GetDocsWithField(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
IBits
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GetNormValues(IndexReader, String)

Returns a NumericDocValues for a reader's norms (potentially merging on-the-fly).

This is a slow way to access normalization values. Instead, access them per-segment with GetNormValues(String)

Declaration
public static NumericDocValues GetNormValues(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
NumericDocValues
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GetNumericValues(IndexReader, String)

Returns a NumericDocValues for a reader's docvalues (potentially merging on-the-fly)

This is a slow way to access numeric values. Instead, access them per-segment with GetNumericDocValues(String)

Declaration
public static NumericDocValues GetNumericValues(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
NumericDocValues
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GetSortedSetValues(IndexReader, String)

Returns a SortedSetDocValues for a reader's docvalues (potentially doing extremely slow things).

This is an extremely slow way to access sorted values. Instead, access them per-segment with GetSortedSetDocValues(String)

Declaration
public static SortedSetDocValues GetSortedSetValues(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
SortedSetDocValues
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GetSortedValues(IndexReader, String)

Returns a SortedDocValues for a reader's docvalues (potentially doing extremely slow things).

this is an extremely slow way to access sorted values. Instead, access them per-segment with GetSortedDocValues(String)

Declaration
public static SortedDocValues GetSortedValues(IndexReader r, string field)
Parameters
Type Name Description
IndexReader r
System.String field
Returns
Type Description
SortedDocValues