import ai.catboost.CatBoostError;
import ai.catboost.CatBoostModel;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class CatBoostRanker {
    public static void main(String[] args) {
        try {
            final String f = "/home/tiago.motta/Projetos/ltr/catboost_model.json";
            final CatBoostModel catBoostModelByFile = CatBoostModel.loadModel(f, "json");

            final InputStream in = new FileInputStream(f);
            final CatBoostModel catBoostModelByStream = CatBoostModel.loadModel(in, "json");

            System.out.println("=====================================");
            System.out.println(catBoostModelByFile);
            System.out.println(catBoostModelByStream);
            System.out.println("=====================================");

        } catch (CatBoostError | IOException catBoostError) {
            catBoostError.printStackTrace();
        }
    }
}