How to use

isEnabled

method

in

org.apache.directory.server.core.api.changelog.ChangeLog

private long getCurrentRevision( DirectoryService dirService ) throws Exception
{
  if ( ( dirService != null ) && ( dirService.getChangeLog().isEnabled() ) )
  {
    long revision = dirService.getChangeLog().getCurrentRevision();
    LOG.debug( "Create revision {}", revision );
    return revision;
  }
  return 0;
}

private void revert( DirectoryService dirService, long revision ) throws Exception
{
  if ( dirService == null )
  {
    return;
  }
  ChangeLog cl = dirService.getChangeLog();
  if ( cl.isEnabled() && ( revision < cl.getCurrentRevision() ) )
  {
    LOG.debug( "Revert revision {}", revision );
    dirService.revert( revision );
  }
}

if ( directoryService != null && directoryService.getChangeLog().isEnabled() )

public long revert() throws LdapException
{
 if ( changeLog == null || !changeLog.isEnabled() )
 {
  throw new IllegalStateException( I18n.err( I18n.ERR_310 ) );
 }
 Tag latest = changeLog.getLatest();
 if ( null != latest )
 {
  if ( latest.getRevision() < changeLog.getCurrentRevision() )
  {
   return revert( latest.getRevision() );
  }
  else
  {
   LOG.info( "Ignoring request to revert without changes since the latest tag." );
   return changeLog.getCurrentRevision();
  }
 }
 throw new IllegalStateException( I18n.err( I18n.ERR_311 ) );
}

boolean isDelete = modification != null;
if ( !isDelete && ( changeLog.isEnabled() ) )
  || !changeLog.isEnabled()

public long revert( long revision ) throws LdapException
 if ( changeLog == null || !changeLog.isEnabled() )

if ( changeLog.isEnabled() )
if ( !changeLog.isEnabled() )

if ( changeLog.isEnabled() )
if ( !changeLog.isEnabled() )

/**
 * {@inheritDoc}
 */
@Override
public void move( MoveOperationContext moveContext ) throws LdapException
{
  next( moveContext );
  if ( !changeLog.isEnabled() )
  {
    return;
  }
  LdifEntry forward = new LdifEntry();
  forward.setChangeType( ChangeType.ModDn );
  forward.setDn( moveContext.getDn() );
  forward.setNewSuperior( moveContext.getNewSuperior().getName() );
  LdifEntry reverse = LdifRevertor.reverseMove( moveContext.getNewSuperior(), moveContext.getDn() );
  moveContext.setChangeLogEvent( changeLog.log( getPrincipal( moveContext ), forward, reverse ) );
}

if ( changeLog.isEnabled() )

/**
 * {@inheritDoc}
 */
@Override
public void add( AddOperationContext addContext ) throws LdapException
{
  next( addContext );
  if ( !changeLog.isEnabled() )
  {
    return;
  }
  Entry addEntry = addContext.getEntry();
  // we don't want to record addition of a tag as a change
  if ( addEntry.get( REV_AT_OID ) != null )
  {
    return;
  }
  LdifEntry forward = new LdifEntry();
  forward.setChangeType( ChangeType.Add );
  forward.setDn( addContext.getDn() );
  for ( Attribute attribute : addEntry.getAttributes() )
  {
    AttributeType attributeType = attribute.getAttributeType();
    forward.addAttribute( addEntry.get( attributeType ).clone() );
  }
  LdifEntry reverse = LdifRevertor.reverseAdd( addContext.getDn() );
  addContext.setChangeLogEvent( changeLog.log( getPrincipal( addContext ), forward, reverse ) );
}

/**
 * {@inheritDoc}
 */
@Override
public void rename( RenameOperationContext renameContext ) throws LdapException
{
  Entry serverEntry = null;
  if ( renameContext.getEntry() != null )
  {
    serverEntry = ( ( ClonedServerEntry ) renameContext.getEntry() ).getOriginalEntry();
  }
  next( renameContext );
  // After this point, the entry has been modified. The cloned entry contains
  // the modified entry, the originalEntry has changed
  if ( !changeLog.isEnabled() )
  {
    return;
  }
  LdifEntry forward = new LdifEntry();
  forward.setChangeType( ChangeType.ModRdn );
  forward.setDn( renameContext.getDn() );
  forward.setNewRdn( renameContext.getNewRdn().getName() );
  forward.setDeleteOldRdn( renameContext.getDeleteOldRdn() );
  List<LdifEntry> reverses = LdifRevertor.reverseRename(
    serverEntry, renameContext.getNewRdn(), renameContext.getDeleteOldRdn() );
  renameContext.setChangeLogEvent( changeLog.log( getPrincipal( renameContext ), forward, reverses ) );
}