Map<Object, Object> context) {
        Site src = source.getSite();
        if (src != null) {
            Site tgt = target.getSite();
            if (sourceDominant || tgt == null || isSiteEmpty(tgt)) {
                if (tgt == null) {
                    tgt = new Site();
                }
                tgt.setLocation("", src.getLocation(""));
                target.setSite(tgt);