org.elasticsearch.index.fielddata.plain

Class PackedArrayIndexFieldData

java.lang.Object

org.elasticsearch.index.AbstractIndexComponent

org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData<AtomicNumericFieldData>

org.elasticsearch.index.fielddata.plain.PackedArrayIndexFieldData

All Implemented Interfaces:

IndexFieldData<AtomicNumericFieldData>, IndexNumericFieldData, IndexComponent

public class PackedArrayIndexFieldData
extends AbstractIndexFieldData<AtomicNumericFieldData>
implements IndexNumericFieldData

Stores numeric data into bit-packed arrays for better memory efficiency.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PackedArrayIndexFieldData.Builder
class	PackedArrayIndexFieldData.PackedArrayEstimator Estimator that wraps numeric field data loading in a RamAccountingTermsEnum, adjusting the breaker after data has been loaded

Nested classes/interfaces inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

AbstractIndexFieldData.PerValueEstimator

Nested classes/interfaces inherited from interface org.elasticsearch.index.fielddata.IndexNumericFieldData

IndexNumericFieldData.NumericType

Nested classes/interfaces inherited from interface org.elasticsearch.index.fielddata.IndexFieldData

IndexFieldData.CommonSettings, IndexFieldData.Global<FD extends AtomicFieldData>, IndexFieldData.XFieldComparatorSource

Field Summary

Fields inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

cache, fieldDataType

Fields inherited from class org.elasticsearch.index.AbstractIndexComponent

deprecationLogger, index, indexSettings, logger

Constructor Summary

Constructors

Constructor and Description
PackedArrayIndexFieldData(Index index, Settings indexSettings, MappedFieldType.Names fieldNames, FieldDataType fieldDataType, IndexFieldDataCache cache, IndexNumericFieldData.NumericType numericType, CircuitBreakerService breakerService)

Method Summary

Methods

Modifier and Type	Method and Description
protected IndexFieldData.CommonSettings.MemoryStorageFormat	chooseStorageFormat(org.apache.lucene.index.LeafReader reader, org.apache.lucene.util.packed.PackedLongValues values, Ordinals build, org.apache.lucene.index.RandomAccessOrds ordinals, long minValue, long maxValue, float acceptableOverheadRatio, int pageSize)
IndexFieldData.XFieldComparatorSource	comparatorSource(Object missingValue, MultiValueMode sortMode, IndexFieldData.XFieldComparatorSource.Nested nested) Comparator used for sorting.
protected AtomicNumericFieldData	empty(int maxDoc)
IndexNumericFieldData.NumericType	getNumericType()
AtomicNumericFieldData	loadDirect(org.apache.lucene.index.LeafReaderContext context) Loads directly the atomic field data for the reader, ignoring any caching involved.

Methods inherited from class org.elasticsearch.index.fielddata.plain.AbstractIndexFieldData

clear, getFieldDataType, getFieldNames, load

Methods inherited from class org.elasticsearch.index.AbstractIndexComponent

index, indexSettings

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.index.fielddata.IndexFieldData

clear, getFieldDataType, getFieldNames, load

Methods inherited from interface org.elasticsearch.index.IndexComponent

index

Constructor Detail

PackedArrayIndexFieldData

public PackedArrayIndexFieldData(Index index,
                         Settings indexSettings,
                         MappedFieldType.Names fieldNames,
                         FieldDataType fieldDataType,
                         IndexFieldDataCache cache,
                         IndexNumericFieldData.NumericType numericType,
                         CircuitBreakerService breakerService)

Method Detail

getNumericType

public IndexNumericFieldData.NumericType getNumericType()

Specified by:

getNumericType in interface IndexNumericFieldData

loadDirect

public AtomicNumericFieldData loadDirect(org.apache.lucene.index.LeafReaderContext context)
                                  throws Exception

Description copied from interface: IndexFieldData

Loads directly the atomic field data for the reader, ignoring any caching involved.

Specified by:

loadDirect in interface IndexFieldData<AtomicNumericFieldData>

Throws:

Exception

chooseStorageFormat

protected IndexFieldData.CommonSettings.MemoryStorageFormat chooseStorageFormat(org.apache.lucene.index.LeafReader reader,
                                                                    org.apache.lucene.util.packed.PackedLongValues values,
                                                                    Ordinals build,
                                                                    org.apache.lucene.index.RandomAccessOrds ordinals,
                                                                    long minValue,
                                                                    long maxValue,
                                                                    float acceptableOverheadRatio,
                                                                    int pageSize)

empty

protected AtomicNumericFieldData empty(int maxDoc)

Specified by:

empty in class AbstractIndexFieldData<AtomicNumericFieldData>

Parameters:

maxDoc - of the current reader

Returns:

an empty field data instances for field data lookups of empty segments (returning no values)

comparatorSource

public IndexFieldData.XFieldComparatorSource comparatorSource(@Nullable
                                                     Object missingValue,
                                                     MultiValueMode sortMode,
                                                     IndexFieldData.XFieldComparatorSource.Nested nested)

Description copied from interface: IndexFieldData

Comparator used for sorting.

Specified by:

comparatorSource in interface IndexFieldData<AtomicNumericFieldData>