Package org.elasticsearch.index.fielddata.plain

Class AbstractIndexFieldData<FD extends LeafFieldData>

java.lang.Object

org.elasticsearch.index.AbstractIndexComponent

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

All Implemented Interfaces:

IndexFieldData<FD>, IndexComponent

Direct Known Subclasses:

AbstractIndexOrdinalsFieldData

public abstract class AbstractIndexFieldData<FD extends LeafFieldData>
extends AbstractIndexComponent
implements IndexFieldData<FD>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	AbstractIndexFieldData.PerValueEstimator	A PerValueEstimator is a sub-class that can be used to estimate the memory overhead for loading the data.

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

IndexFieldData.Builder, IndexFieldData.Global<FD extends LeafFieldData>, IndexFieldData.XFieldComparatorSource

Field Summary

Fields

Modifier and Type	Field	Description
protected IndexFieldDataCache	cache

Fields inherited from class org.elasticsearch.index.AbstractIndexComponent

deprecationLogger, indexSettings, logger

Constructor Summary

Constructors

Constructor	Description
AbstractIndexFieldData(IndexSettings indexSettings, java.lang.String fieldName, ValuesSourceType valuesSourceType, IndexFieldDataCache cache)

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears any resources associated with this field data.
protected abstract FD	empty(int maxDoc)
java.lang.String	getFieldName()	The field name.
ValuesSourceType	getValuesSourceType()	The ValuesSourceType of the underlying data.
FD	load(org.apache.lucene.index.LeafReaderContext context)	Loads the atomic field data for the reader, possibly cached.

Methods inherited from class org.elasticsearch.index.AbstractIndexComponent

getIndexSettings, index

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.IndexComponent

index

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

loadDirect, newBucketedSort, sortField

Field Details

cache

protected final IndexFieldDataCache cache

Constructor Details

AbstractIndexFieldData

public AbstractIndexFieldData(IndexSettings indexSettings, java.lang.String fieldName, ValuesSourceType valuesSourceType, IndexFieldDataCache cache)

Method Details

getFieldName

public java.lang.String getFieldName()

Description copied from interface: IndexFieldData

The field name.

Specified by:

getFieldName in interface IndexFieldData<FD extends LeafFieldData>

getValuesSourceType

public ValuesSourceType getValuesSourceType()

Description copied from interface: IndexFieldData

The ValuesSourceType of the underlying data. It's possible for fields that use the same IndexFieldData implementation to have different ValuesSourceTypes, such as in the case of Longs and Dates.

Specified by:

getValuesSourceType in interface IndexFieldData<FD extends LeafFieldData>

clear

public void clear()

Description copied from interface: IndexFieldData

Clears any resources associated with this field data.

Specified by:

clear in interface IndexFieldData<FD extends LeafFieldData>

load

public FD load(org.apache.lucene.index.LeafReaderContext context)

Description copied from interface: IndexFieldData

Loads the atomic field data for the reader, possibly cached.

Specified by:

load in interface IndexFieldData<FD extends LeafFieldData>

empty

protected abstract FD empty(int maxDoc)

Parameters:

maxDoc - of the current reader

Returns:

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