/**
* Returns the dir sync flags in the supplied response or -1 if no flags exists.
*
* @param response of a previous dir sync operation
* @return dir sync flags or -1
*/
protected long getDirSyncFlags(final Response<SearchResult> response) {
long flags = -1;
final DirSyncControl ctl = (DirSyncControl) response.getControl(DirSyncControl.OID);
if (ctl != null) {
flags = ctl.getFlags();
}
return flags;
}
