return convertEmptyToNull(target);
    }

    public void setTarget(String value) {
        registerModifiedProperty("target");
        this.target = value;
    }

    public String getThumbnailId() {
        checkSpecifiedProperty("thumbnailId");
        return convertEmptyToNull(thumbnailId);
    }

    public void setThumbnailId(String value) {
        registerModifiedProperty("thumbnailId");

        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getTarget(), (et, vl) -> ((ThumbnailQueue) et).setTarget(DfTypeUtil.toString(vl)),
                "target");
        setupEpg(_epgMap, et -> ((ThumbnailQueue) et).getThumbnailId(),
                (et, vl) -> ((ThumbnailQueue) et).setThumbnailId(DfTypeUtil.toString(vl)), "thumbnailId");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {

                }
                final ThumbnailGenerator generator = ComponentUtil.getComponent(generatorName);
                if (generator.isAvailable()) {
                    if (!generator.generate(entity.getThumbnailId(), outputFile)) {
                        new File(outputFile.getAbsolutePath() + NOIMAGE_FILE_SUFFIX).setLastModified(systemHelper.getCurrentTimeAsLong());
                    } else {