org.apache.directory.server.core.journal
Interface Journal

public interface Journal

A facade for the Journal subsystem.

Version:

$Rev$, $Date$

Author:

Apache Directory Project

XBean

Method Summary

void	ack(long revision) Records a ack for a change
void	destroy() Destroy the journal service
JournalStore	getJournalStore()
int	getRotation()
void	init(DirectoryService service) Initialize the Journal.
boolean	isEnabled() Checks whether or not the Journal has been enabled.
void	log(LdapPrincipal principal, long revision, org.apache.directory.shared.ldap.ldif.LdifEntry entry) Records a change as an LDIF entry.
void	nack(long revision) Records a nack for a change
void	setEnabled(boolean enabled) Enable or disable the Journal service
void	setJournalStore(JournalStore store) Set the underlying storage
void	setRotation(int rotation)

Method Detail

isEnabled

boolean isEnabled()

Checks whether or not the Journal has been enabled.

Returns:

true if the Journal is logging changes, false otherwise

setEnabled

void setEnabled(boolean enabled)

Enable or disable the Journal service

Parameters:

enabled - true to enable the service, false to disable it

getJournalStore

JournalStore getJournalStore()

Returns:

The underlying storage

setJournalStore

void setJournalStore(JournalStore store)

Set the underlying storage

Parameters:

store - The storage

log

void log(LdapPrincipal principal,
         long revision,
         org.apache.directory.shared.ldap.ldif.LdifEntry entry)
         throws java.lang.Exception

Records a change as an LDIF entry.

Parameters:

principal - the authorized LDAP principal triggering the change

revision - the operation revision

forward - LDIF of the change going to the next state

Throws:

java.lang.Exception - if there are problems logging the change

ack

void ack(long revision)

Records a ack for a change

Parameters:

revision - The change revision which is acked

nack

void nack(long revision)

Records a nack for a change

Parameters:

revision - The change revision which is acked

init

void init(DirectoryService service)
          throws java.lang.Exception

Initialize the Journal.

Parameters:

service - The associated DirectoryService

Throws:

java.lang.Exception - If something went wrong

destroy

void destroy()
             throws java.lang.Exception

Destroy the journal service

Throws:

java.lang.Exception - If something went wrong

getRotation

int getRotation()

Returns:

the rotation

setRotation

void setRotation(int rotation)

Parameters:

rotation - the rotation to set