org.apache.lucene.index
Class MultiDocValues.MultiSortedDocValues

java.lang.Object
  org.apache.lucene.index.BinaryDocValues
      org.apache.lucene.index.SortedDocValues
          org.apache.lucene.index.MultiDocValues.MultiSortedDocValues

Enclosing class:

MultiDocValues

public static class MultiDocValues.MultiSortedDocValues
extends SortedDocValues

Implements SortedDocValues over n subs, using an OrdinalMap

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Field Summary

int[]	docStarts docbase for each leaf: parallel with values
MultiDocValues.OrdinalMap	mapping ordinal map mapping ords from values to global ord space
SortedDocValues[]	values leaf values

Fields inherited from class org.apache.lucene.index.SortedDocValues

EMPTY

Method Summary

int	getOrd(int docID) Returns the ordinal for the specified docID.
int	getValueCount() Returns the number of unique values.
void	lookupOrd(int ord, BytesRef result) Retrieves the value for the specified ordinal.

Methods inherited from class org.apache.lucene.index.SortedDocValues

get, lookupTerm, termsEnum

Methods inherited from class java.lang.Object

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

Field Detail

docStarts

public final int[] docStarts

docbase for each leaf: parallel with values

values

public final SortedDocValues[] values

leaf values

mapping

public final MultiDocValues.OrdinalMap mapping

ordinal map mapping ords from values to global ord space

Method Detail

getOrd

public int getOrd(int docID)

Description copied from class: SortedDocValues

Returns the ordinal for the specified docID.

Specified by:

getOrd in class SortedDocValues

Parameters:

docID - document ID to lookup

Returns:

ordinal for the document: this is dense, starts at 0, then increments by 1 for the next value in sorted order. Note that missing values are indicated by -1.

lookupOrd

public void lookupOrd(int ord,
                      BytesRef result)

Description copied from class: SortedDocValues

Retrieves the value for the specified ordinal.

Specified by:

lookupOrd in class SortedDocValues

Parameters:

ord - ordinal to lookup (must be >= 0 and < SortedDocValues.getValueCount())

result - will be populated with the ordinal's value

See Also:

SortedDocValues.getOrd(int)

getValueCount

public int getValueCount()

Description copied from class: SortedDocValues

Returns the number of unique values.

Specified by:

getValueCount in class SortedDocValues

Returns:

number of unique values in this SortedDocValues. This is also equivalent to one plus the maximum ordinal.