alluxio.master.journalv0

Interface MutableJournal

All Superinterfaces:

Journal

All Known Implementing Classes:

UfsMutableJournal

@ThreadSafe
public interface MutableJournal
extends Journal

The read-write journal. This allows both reads and writes to the journal.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MutableJournal.Factory A MutableJournal factory.

Method Summary

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

Methods inherited from interface alluxio.master.journalv0.Journal

getLocation, getReader, isFormatted

Method Detail

format

void format()
     throws IOException

Formats the journal.

Throws:

IOException

getWriter

JournalWriter getWriter()

Returns:

the JournalWriter for this journal