Package org.elasticsearch.index.fielddata.ordinals

Class MultiOrdinals

java.lang.Object

org.elasticsearch.index.fielddata.ordinals.Ordinals

org.elasticsearch.index.fielddata.ordinals.MultiOrdinals

All Implemented Interfaces:

org.apache.lucene.util.Accountable

public class MultiOrdinals
extends Ordinals

Ordinals implementation which is efficient at storing field data ordinals for multi-valued or sparse fields.

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.index.fielddata.ordinals.Ordinals

Ordinals.ValuesHolder

Field Summary

Fields inherited from class org.elasticsearch.index.fielddata.ordinals.Ordinals

NO_VALUES

Constructor Summary

Constructors

Constructor	Description
MultiOrdinals(OrdinalsBuilder builder, float acceptableOverheadRatio)

Method Summary

Modifier and Type	Method	Description
java.util.Collection<org.apache.lucene.util.Accountable>	getChildResources()
org.apache.lucene.index.SortedSetDocValues	ordinals(Ordinals.ValuesHolder values)
long	ramBytesUsed()	The memory size this ordinals take.
static boolean	significantlySmallerThanSinglePackedOrdinals(int maxDoc, int numDocsWithValue, long numOrds, float acceptableOverheadRatio)	Return true if this impl is going to be smaller than SinglePackedOrdinals by at least 20%.

Methods inherited from class org.elasticsearch.index.fielddata.ordinals.Ordinals

ordinals

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiOrdinals

public MultiOrdinals(OrdinalsBuilder builder,
                     float acceptableOverheadRatio)

Method Detail

significantlySmallerThanSinglePackedOrdinals

public static boolean significantlySmallerThanSinglePackedOrdinals(int maxDoc,
                                                                   int numDocsWithValue,
                                                                   long numOrds,
                                                                   float acceptableOverheadRatio)

Return true if this impl is going to be smaller than SinglePackedOrdinals by at least 20%.

ramBytesUsed

public long ramBytesUsed()

Description copied from class: Ordinals

The memory size this ordinals take.

Specified by:

ramBytesUsed in interface org.apache.lucene.util.Accountable

Specified by:

ramBytesUsed in class Ordinals

getChildResources

public java.util.Collection<org.apache.lucene.util.Accountable> getChildResources()

ordinals

public org.apache.lucene.index.SortedSetDocValues ordinals(Ordinals.ValuesHolder values)

Specified by:

ordinals in class Ordinals