How to use

getCurrentRevision

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 );
  }
}

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 ) );
}

  @Override
  public void evaluate() throws Throwable
  {
    Tag tag = directoryService.getChangeLog().tag();
    DSAnnotationProcessor.applyLdifs( description, directoryService );
    LOG.debug( "Tagged change log: {}", tag );
    try
    {
      base.evaluate();
    }
    finally
    {
      if ( directoryService.getChangeLog().getCurrentRevision() > tag.getRevision() )
      {
        LOG.debug( "Reverting to tag: {}", tag );
        directoryService.revert( tag.getRevision() );
      }
      else
      {
        LOG.debug( "No changes made, nothing to revert" );
      }
    }
  }
};

return changeLog.getCurrentRevision();