class DocCountVectorizerModelMapper extends SISOModelMapper {

    @Override
    public void loadModel(List<Row> modelRows) {
        this.wordIdWeight = new HashMap<>(modelRows.size());
        DocCountVectorizerModelData data = new DocCountVectorizerModelDataConverter().load(modelRows);
        featureNum = data.list.size();
        minTF = data.minTF;
        this.featureType = FeatureType.valueOf(data.featureType.toUpperCase());
        for (String feature : data.list) {
            Tuple3<String, Double, Integer> t = JsonConverter.fromJson(feature, DATA_TUPLE3_TYPE);
            wordIdWeight.put(t.f0, Tuple2.of(t.f2, t.f1));
        }
    }

    public  DocCountVectorizerModelMapper(TableSchema modelSchema, TableSchema dataSchema, Params params);

}