org.apache.hadoop.hbase.regionserver.wal

Interface HLog.Writer

All Known Implementing Classes:

ProtobufLogWriter, SecureProtobufLogWriter, WriterBase

Enclosing interface:

HLog

public static interface HLog.Writer

Method Summary

Methods

Modifier and Type	Method and Description
void	append(HLog.Entry entry)
void	close()
long	getLength()
void	init(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, org.apache.hadoop.conf.Configuration c, boolean overwritable)
void	setWALTrailer(WALProtos.WALTrailer walTrailer) Sets HLog's WALTrailer.
void	sync()

Method Detail

init

void init(org.apache.hadoop.fs.FileSystem fs,
        org.apache.hadoop.fs.Path path,
        org.apache.hadoop.conf.Configuration c,
        boolean overwritable)
          throws IOException

Throws:

IOException

close

void close()
           throws IOException

Throws:

IOException

sync

void sync()
          throws IOException

Throws:

IOException

append

void append(HLog.Entry entry)
            throws IOException

Throws:

IOException

getLength

long getLength()
               throws IOException

Throws:

IOException

setWALTrailer

void setWALTrailer(WALProtos.WALTrailer walTrailer)

Sets HLog's WALTrailer. This trailer is appended at the end of WAL on closing.

Parameters:

walTrailer - trailer to append to WAL.