Package org.apache.hadoop.hbase.io.hfile

Class HFileIndexBlockEncoderImpl

java.lang.Object

org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoderImpl

All Implemented Interfaces:

HFileIndexBlockEncoder

@Private
public class HFileIndexBlockEncoderImpl
extends Object
implements HFileIndexBlockEncoder

Do different kinds of index block encoding according to column family options.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoder

HFileIndexBlockEncoder.EncodedSeeker

Field Summary

Fields

Modifier and Type	Field	Description
private final IndexBlockEncoding	indexBlockEncoding

Fields inherited from interface org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoder

INDEX_BLOCK_ENCODING

Constructor Summary

Constructors

Constructor	Description
HFileIndexBlockEncoderImpl(IndexBlockEncoding encoding)	Do index block encoding with specified options.

Method Summary

Modifier and Type	Method	Description
static HFileIndexBlockEncoder	createFromFileInfo(HFileInfo fileInfo)
HFileIndexBlockEncoder.EncodedSeeker	createSeeker()
void	encode(BlockIndexChunk blockIndexChunk, boolean rootIndexBlock, DataOutput out)
IndexBlockEncoding	getIndexBlockEncoding()	Returns the index block encoding
void	saveMetadata(HFile.Writer writer)	Save metadata in HFile which will be written to disk
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

indexBlockEncoding

private final IndexBlockEncoding indexBlockEncoding

Constructor Details

HFileIndexBlockEncoderImpl

public HFileIndexBlockEncoderImpl(IndexBlockEncoding encoding)

Do index block encoding with specified options.

Parameters:

encoding - What kind of data block encoding will be used.

Method Details

createFromFileInfo

public static HFileIndexBlockEncoder createFromFileInfo(HFileInfo fileInfo)
                                                 throws IOException

Throws:

IOException

saveMetadata

public void saveMetadata(HFile.Writer writer)
                  throws IOException

Description copied from interface: HFileIndexBlockEncoder

Save metadata in HFile which will be written to disk

Specified by:

saveMetadata in interface HFileIndexBlockEncoder

Parameters:

writer - writer for a given HFile

Throws:

IOException - on disk problems

getIndexBlockEncoding

public IndexBlockEncoding getIndexBlockEncoding()

Description copied from interface: HFileIndexBlockEncoder

Returns the index block encoding

Specified by:

getIndexBlockEncoding in interface HFileIndexBlockEncoder

encode

public void encode(BlockIndexChunk blockIndexChunk,
 boolean rootIndexBlock,
 DataOutput out)
            throws IOException

Specified by:

encode in interface HFileIndexBlockEncoder

Throws:

IOException

createSeeker

public HFileIndexBlockEncoder.EncodedSeeker createSeeker()

Specified by:

createSeeker in interface HFileIndexBlockEncoder

toString

public String toString()

Overrides:

toString in class Object