Module org.elasticsearch.server

Package org.elasticsearch.index.mapper

Class BlockLoader.ConstantNullsReader

java.lang.Object

org.elasticsearch.index.mapper.BlockLoader.ConstantNullsReader

All Implemented Interfaces:

BlockLoader.AllReader, BlockLoader.ColumnAtATimeReader, BlockLoader.Reader, BlockLoader.RowStrideReader

Enclosing interface:

BlockLoader

public static class BlockLoader.ConstantNullsReader
extends Object
implements BlockLoader.AllReader

Implementation of BlockLoader.ColumnAtATimeReader and BlockLoader.RowStrideReader that always loads null.

Constructor Summary

Constructors

Constructor	Description
ConstantNullsReader()

Method Summary

Modifier and Type	Method	Description
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.
void	read(int docId, BlockLoader.StoredFields storedFields, BlockLoader.Builder builder)	Reads the values of the given document into the builder.
BlockLoader.Block	read(BlockLoader.BlockFactory factory, BlockLoader.Docs docs)	Reads the values of all documents in docs.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

ConstantNullsReader

public ConstantNullsReader()

Method Details

read

public BlockLoader.Block read(BlockLoader.BlockFactory factory,
 BlockLoader.Docs docs)
                       throws IOException

Description copied from interface: BlockLoader.ColumnAtATimeReader

Reads the values of all documents in docs.

Specified by:

read in interface BlockLoader.ColumnAtATimeReader

Throws:

IOException

read

public void read(int docId,
 BlockLoader.StoredFields storedFields,
 BlockLoader.Builder builder)
          throws IOException

Description copied from interface: BlockLoader.RowStrideReader

Reads the values of the given document into the builder.

Specified by:

read in interface BlockLoader.RowStrideReader

Throws:

IOException

canReuse

public boolean canReuse(int startingDocID)

Description copied from interface: BlockLoader.Reader

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 String toString()

Overrides:

toString in class Object