Module org.elasticsearch.server

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

Class BlockDocValuesReader

java.lang.Object

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

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractBooleansBlockLoader.Singleton, AbstractBytesRefsFromOrdsBlockLoader.Singleton, AbstractBytesRefsFromOrdsBlockLoader.SortedSet, AbstractDoublesFromDocValuesBlockLoader.Singleton, AbstractDoublesFromDocValuesBlockLoader.Sorted, AbstractIntsFromDocValuesBlockLoader.Singleton, AbstractIntsFromDocValuesBlockLoader.Sorted, AbstractLongsFromDocValuesBlockLoader.Singleton, AbstractLongsFromDocValuesBlockLoader.Sorted, BytesRefsFromCustomBinaryBlockLoader.AbstractBytesRefsFromBinary, MultiValuedBinaryWithSeparateCountsLengthReader

public abstract class BlockDocValuesReader
extends Object
implements BlockLoader.ColumnAtATimeReader

A reader that supports reading doc-values from a Lucene segment in Block fashion.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BlockDocValuesReader.DocValuesBlockLoader
static interface	BlockDocValuesReader.NumericDocValuesAccessor
static interface	BlockDocValuesReader.ToDouble	Convert from the stored invalid reference long into the invalid reference double to load.

Field Summary

Fields

Modifier and Type	Field	Description
protected final CircuitBreaker	breaker

Constructor Summary

Constructors

Constructor	Description
BlockDocValuesReader(CircuitBreaker breaker)

Method Summary

Modifier and Type	Method	Description
final boolean	canReuse(int startingDocID)	Checks if the reader can be used to read a range documents starting with the given docID by the current thread.
protected abstract int	docId()
abstract String	toString()	A string representation of the BlockLoader.Reader.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.index.mapper.BlockLoader.ColumnAtATimeReader

read

Methods inherited from interface org.elasticsearch.core.Releasable

close

Field Details

breaker

protected final CircuitBreaker breaker

Constructor Details

BlockDocValuesReader

public BlockDocValuesReader(CircuitBreaker breaker)

Method Details

docId

protected abstract int docId()

canReuse

public final boolean canReuse(int startingDocID)

Checks if the reader can be used to read a range documents starting with the given docID by the current thread.

Specified by:

canReuse in interface BlockLoader.Reader

toString

public abstract 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

Overrides:

toString in class Object