Module org.elasticsearch.server

Package org.elasticsearch.index.mapper.blockloader.docvalues

Class AbstractIntsFromDocValuesBlockLoader.Singleton

java.lang.Object

org.elasticsearch.index.mapper.blockloader.docvalues.BlockDocValuesReader

org.elasticsearch.index.mapper.blockloader.docvalues.AbstractIntsFromDocValuesBlockLoader.Singleton

All Implemented Interfaces:

Closeable, AutoCloseable, Releasable, BlockLoader.ColumnAtATimeReader, BlockDocValuesReader.NumericDocValuesAccessor, BlockLoader.Reader

Enclosing class:

AbstractIntsFromDocValuesBlockLoader

public static class AbstractIntsFromDocValuesBlockLoader.Singleton
extends BlockDocValuesReader
implements BlockDocValuesReader.NumericDocValuesAccessor

Nested Class Summary

Nested classes/interfaces inherited from class org.elasticsearch.index.mapper.blockloader.docvalues.BlockDocValuesReader

BlockDocValuesReader.DocValuesBlockLoader, BlockDocValuesReader.NumericDocValuesAccessor, BlockDocValuesReader.ToDouble

Field Summary

Fields inherited from class org.elasticsearch.index.mapper.blockloader.docvalues.BlockDocValuesReader

breaker

Constructor Summary

Constructors

Constructor	Description
Singleton(TrackingNumericDocValues numericDocValues)

Method Summary

Modifier and Type	Method	Description
void	close()
int	docId()
org.apache.lucene.index.NumericDocValues	numericDocValues()
BlockLoader.Block	read(BlockLoader.BlockFactory factory, BlockLoader.Docs docs, int offset, boolean nullsFiltered)	Reads the values of all documents in docs.
String	toString()	A string representation of the BlockLoader.Reader.

Methods inherited from class org.elasticsearch.index.mapper.blockloader.docvalues.BlockDocValuesReader

canReuse

Methods inherited from class java.lang.Object

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

Constructor Details

Singleton

public Singleton(TrackingNumericDocValues numericDocValues)

Method Details

read

public BlockLoader.Block read(BlockLoader.BlockFactory factory,
 BlockLoader.Docs docs,
 int offset,
 boolean nullsFiltered)
                       throws IOException

Description copied from interface: BlockLoader.ColumnAtATimeReader

Reads the values of all documents in docs.

Specified by:

read in interface BlockLoader.ColumnAtATimeReader

Parameters:

nullsFiltered - if true, then target docs are guaranteed to have a value for the field; otherwise, the guarantee is unknown. This enables optimizations for block loaders, treating the field as dense (every document has value) even if it is sparse in the index. For example, "FROM index | WHERE x != null | STATS sum(x)", after filtering out documents without value for field x, all target documents returned from the source operator will have a value for field x whether x is dense or sparse in the index.

Throws:

IOException

docId

public int docId()

Specified by:

docId in class BlockDocValuesReader

toString

public String toString()

Description copied from interface: BlockLoader.Reader

A string representation of the BlockLoader.Reader. It's important that this have a nice implementation because this is used in the profile.

Specified by:

toString in interface BlockLoader.Reader

Specified by:

toString in class BlockDocValuesReader

numericDocValues

public org.apache.lucene.index.NumericDocValues numericDocValues()

Specified by:

numericDocValues in interface BlockDocValuesReader.NumericDocValuesAccessor

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface Releasable