class AlsPredictBatchOp extends BatchOperator<AlsPredictBatchOp> implements AlsPredictParams<AlsPredictBatchOp> {

    @Override
    public AlsPredictBatchOp linkFrom(BatchOperator<?>... inputs) {
        checkOpSize(2, inputs);

        BatchOperator model = inputs[0];
        BatchOperator data = inputs[1];

        this.setOutputTable(rate(model, data));
        return this;
    }

    public  AlsPredictBatchOp();
    public  AlsPredictBatchOp(Params params);

}