Module org.elasticsearch.server

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

Class AbstractDoublesFromDocValuesBlockLoader

java.lang.Object

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

org.elasticsearch.index.mapper.blockloader.docvalues.AbstractDoublesFromDocValuesBlockLoader

All Implemented Interfaces:

BlockLoader

Direct Known Subclasses:

DoublesBlockLoader, MvMaxDoublesFromDocValuesBlockLoader, MvMinDoublesFromDocValuesBlockLoader

public abstract class AbstractDoublesFromDocValuesBlockLoader
extends BlockDocValuesReader.DocValuesBlockLoader

Loads doubles from doc values.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AbstractDoublesFromDocValuesBlockLoader.Singleton
static class	AbstractDoublesFromDocValuesBlockLoader.Sorted

Nested classes/interfaces inherited from interface org.elasticsearch.index.mapper.BlockLoader

BlockLoader.AggregateMetricDoubleBuilder, BlockLoader.AllReader, BlockLoader.Block, BlockLoader.BlockFactory, BlockLoader.BooleanBuilder, BlockLoader.Builder, BlockLoader.BytesRefBuilder, BlockLoader.ColumnAtATimeReader, BlockLoader.ConstantNullsReader, BlockLoader.Delegating, BlockLoader.Docs, BlockLoader.DoubleBuilder, BlockLoader.ExponentialHistogramBuilder, BlockLoader.FloatBuilder, BlockLoader.IntBuilder, BlockLoader.LongBuilder, BlockLoader.OptionalColumnAtATimeReader, BlockLoader.Reader, BlockLoader.RowStrideReader, BlockLoader.SingletonBytesRefBuilder, BlockLoader.SingletonDoubleBuilder, BlockLoader.SingletonIntBuilder, BlockLoader.SingletonLongBuilder, BlockLoader.SingletonOrdinalsBuilder, BlockLoader.SortedSetOrdinalsBuilder, BlockLoader.StoredFields, BlockLoader.TDigestBuilder

Field Summary

Fields

Modifier and Type	Field	Description
protected final String	fieldName

Fields inherited from interface org.elasticsearch.index.mapper.BlockLoader

CONSTANT_NULLS

Constructor Summary

Constructors

Constructor	Description
AbstractDoublesFromDocValuesBlockLoader(String fieldName, BlockDocValuesReader.ToDouble toDouble)

Method Summary

Modifier and Type	Method	Description
final BlockLoader.Builder	builder(BlockLoader.BlockFactory factory, int expectedCount)	The BlockLoader.Builder for data of this type.
final BlockLoader.AllReader	reader(org.apache.lucene.index.LeafReaderContext context)
protected abstract BlockLoader.AllReader	singletonReader(org.apache.lucene.index.NumericDocValues docValues, BlockDocValuesReader.ToDouble toDouble)
protected abstract BlockLoader.AllReader	sortedReader(org.apache.lucene.index.SortedNumericDocValues docValues, BlockDocValuesReader.ToDouble toDouble)

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

columnAtATimeReader, ordinals, rowStrideReader, rowStrideStoredFieldSpec, supportsOrdinals

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.mapper.BlockLoader

convert

Field Details

fieldName

protected final String fieldName

Constructor Details

AbstractDoublesFromDocValuesBlockLoader

public AbstractDoublesFromDocValuesBlockLoader(String fieldName,
 BlockDocValuesReader.ToDouble toDouble)

Method Details

builder

public final BlockLoader.Builder builder(BlockLoader.BlockFactory factory,
 int expectedCount)

Description copied from interface: BlockLoader

The BlockLoader.Builder for data of this type. Called when loading from a multi-segment or unsorted block.

reader

public final BlockLoader.AllReader reader(org.apache.lucene.index.LeafReaderContext context)
                                   throws IOException

Specified by:

reader in class BlockDocValuesReader.DocValuesBlockLoader

Throws:

IOException

singletonReader

protected abstract BlockLoader.AllReader singletonReader(org.apache.lucene.index.NumericDocValues docValues,
 BlockDocValuesReader.ToDouble toDouble)

sortedReader

protected abstract BlockLoader.AllReader sortedReader(org.apache.lucene.index.SortedNumericDocValues docValues,
 BlockDocValuesReader.ToDouble toDouble)