alluxio.master.journalv0.ufs

Class UfsMutableJournal

java.lang.Object

alluxio.master.journalv0.ufs.UfsJournal

alluxio.master.journalv0.ufs.UfsMutableJournal

All Implemented Interfaces:

Journal, MutableJournal

@ThreadSafe
public class UfsMutableJournal
extends UfsJournal
implements MutableJournal

Implementation of MutableJournal based on UFS.

Nested Class Summary

Nested classes/interfaces inherited from interface alluxio.master.journalv0.MutableJournal

MutableJournal.Factory

Field Summary

Fields inherited from class alluxio.master.journalv0.ufs.UfsJournal

FIRST_COMPLETED_LOG_NUMBER, mLocation

Constructor Summary

Constructors

Constructor and Description
UfsMutableJournal(URI location)

Method Summary

Modifier and Type	Method and Description
void	format() Formats the journal.
JournalWriter	getWriter()

Methods inherited from class alluxio.master.journalv0.ufs.UfsJournal

getCheckpoint, getCompletedLocation, getCompletedLog, getCurrentLog, getJournalFormatter, getLocation, getReader, isFormatted

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.master.journalv0.Journal

getLocation, getReader, isFormatted

Constructor Detail

UfsMutableJournal

public UfsMutableJournal(URI location)

Parameters:

location - the location for the journal

Method Detail

format

public void format()
            throws IOException

Description copied from interface: MutableJournal

Formats the journal.

Specified by:

format in interface MutableJournal

Throws:

IOException

getWriter

public JournalWriter getWriter()

Specified by:

getWriter in interface MutableJournal

Returns:

the JournalWriter for this journal