org.apache.hadoop.hbase.regionserver.wal

Class HLog.Entry

java.lang.Object

org.apache.hadoop.hbase.regionserver.wal.HLog.Entry

All Implemented Interfaces:

org.apache.hadoop.io.Writable

Enclosing interface:

HLog

public static class HLog.Entry
extends Object
implements org.apache.hadoop.io.Writable

Utility class that lets us keep track of the edit with it's key. Only used when splitting logs.

Constructor Summary

Constructors

Constructor and Description
HLog.Entry()
HLog.Entry(HLogKey key, WALEdit edit) Constructor for both params

Method Summary

Methods

Modifier and Type	Method and Description
WALEdit	getEdit() Gets the edit
HLogKey	getKey() Gets the key
void	readFields(DataInput dataInput)
void	setCompressionContext(org.apache.hadoop.hbase.regionserver.wal.CompressionContext compressionContext) Set compression context for this entry.
String	toString()
void	write(DataOutput dataOutput)

Methods inherited from class java.lang.Object

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

Constructor Detail

HLog.Entry

public HLog.Entry()

HLog.Entry

public HLog.Entry(HLogKey key,
          WALEdit edit)

Constructor for both params

Parameters:

edit - log's edit

key - log's key

Method Detail

getEdit

public WALEdit getEdit()

Gets the edit

Returns:

edit

getKey

public HLogKey getKey()

Gets the key

Returns:

key

setCompressionContext

public void setCompressionContext(org.apache.hadoop.hbase.regionserver.wal.CompressionContext compressionContext)

Set compression context for this entry.

Parameters:

compressionContext - Compression context

toString

public String toString()

Overrides:

toString in class Object

write

public void write(DataOutput dataOutput)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput dataInput)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException