return createOptionalEntity(doSelectByPK(id, tp), id);
    }

    @Override
    protected Class<? extends ThumbnailQueue> typeOfSelectedEntity() {
        return ThumbnailQueue.class;
    }

    @Override
    protected Class<ThumbnailQueue> typeOfHandlingEntity() {
        return ThumbnailQueue.class;
    }

    @Override
    protected Class<ThumbnailQueueCB> typeOfHandlingConditionBean() {

    {
        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getCreatedBy(),
                (et, vl) -> ((ThumbnailQueue) et).setCreatedBy(DfTypeUtil.toString(vl)), "createdBy");
        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getCreatedTime(),
                (et, vl) -> ((ThumbnailQueue) et).setCreatedTime(DfTypeUtil.toLong(vl)), "createdTime");
        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getGenerator(),

        final String[] targets = fessConfig.getThumbnailGeneratorTargetsAsArray();
        final List<ThumbnailQueue> list = new ArrayList<>();
        taskList.stream().filter(entity -> entity != null).forEach(task -> {
            for (final String target : targets) {
                final ThumbnailQueue entity = new ThumbnailQueue();
                entity.setGenerator(task.getValue1());
                entity.setThumbnailId(task.getValue2());