org.apache.activemq.artemis.core.journal.impl

Interface JournalFile

All Known Implementing Classes:

JournalFileImpl

public interface JournalFile

Method Summary

Modifier and Type	Method and Description
void	addSize(int bytes)
void	decPosCount()
void	decSize(int bytes)
SequentialFile	getFile()
long	getFileID()
int	getJournalVersion()
int	getLiveSize()
int	getNegCount(JournalFile file)
int	getPosCount()
int	getRecordID() This is a field to identify that records on this file actually belong to the current file.
int	getTotalNegativeToOthers() The total number of deletes this file has
void	incNegCount(JournalFile file)
void	incPosCount()
boolean	isCanReclaim() Whether this file's contents can deleted and the file reused.
boolean	isNegReclaimCriteria() Whether this file deletes are on files that are either marked for reclaim or have already been reclaimed
boolean	isPosReclaimCriteria() Whether this file additions all have a delete in some other file
void	setNegReclaimCriteria()
void	setPosReclaimCriteria()

Method Detail

getNegCount

int getNegCount(JournalFile file)

incNegCount

void incNegCount(JournalFile file)

getPosCount

int getPosCount()

incPosCount

void incPosCount()

decPosCount

void decPosCount()

addSize

void addSize(int bytes)

decSize

void decSize(int bytes)

getLiveSize

int getLiveSize()

getTotalNegativeToOthers

int getTotalNegativeToOthers()

The total number of deletes this file has

isPosReclaimCriteria

boolean isPosReclaimCriteria()

Whether this file additions all have a delete in some other file

setPosReclaimCriteria

void setPosReclaimCriteria()

isNegReclaimCriteria

boolean isNegReclaimCriteria()

Whether this file deletes are on files that are either marked for reclaim or have already been reclaimed

setNegReclaimCriteria

void setNegReclaimCriteria()

isCanReclaim

boolean isCanReclaim()

Whether this file's contents can deleted and the file reused.

Returns:

true if the file can already be deleted.

getRecordID

int getRecordID()

This is a field to identify that records on this file actually belong to the current file. The possible implementation for this is fileID & Integer.MAX_VALUE

getFileID

long getFileID()

getJournalVersion

int getJournalVersion()

getFile

SequentialFile getFile()