alluxio.master.journal

Interface JournalWriter

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

RaftJournalWriter

public interface JournalWriter
extends Closeable

Interface for a class that can write and flush journal entries.

Method Summary

Modifier and Type	Method and Description
void	flush() Flushes all the entries written to the underlying storage.
void	write(Journal.JournalEntry entry) Writes an entry.

Methods inherited from interface java.io.Closeable

close

Method Detail

write

void write(Journal.JournalEntry entry)
    throws IOException,
           JournalClosedException

Writes an entry. flush() should be called afterwards if we want to make sure the entry is persisted.

Parameters:

entry - the journal entry to write

Throws:

IOException

JournalClosedException

flush

void flush()
    throws IOException,
           JournalClosedException

Flushes all the entries written to the underlying storage.

Throws:

IOException

JournalClosedException