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JPMML R to PMML converter

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/*
 * Copyright (c) 2020 Villu Ruusmann
 *
 * This file is part of JPMML-R
 *
 * JPMML-R is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JPMML-R is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with JPMML-R.  If not, see .
 */
package org.jpmml.rexp.testing;

import java.io.InputStream;
import java.util.function.Predicate;

import com.google.common.base.Equivalence;
import org.dmg.pmml.PMML;
import org.jpmml.converter.testing.ModelEncoderBatch;
import org.jpmml.evaluator.ResultField;
import org.jpmml.rexp.Converter;
import org.jpmml.rexp.ConverterFactory;
import org.jpmml.rexp.RExp;
import org.jpmml.rexp.RExpParser;

abstract
public class RExpEncoderBatch extends ModelEncoderBatch {

	private Class> converterClazz = null;


	public RExpEncoderBatch(String algorithm, String dataset, Predicate columnFilter, Equivalence equivalence){
		super(algorithm, dataset, columnFilter, equivalence);
	}

	@Override
	abstract
	public RExpEncoderBatchTest getArchiveBatchTest();

	public String getRdsPath(){
		return "/rds/" + (getAlgorithm() + getDataset()) + ".rds";
	}

	@Override
	public PMML getPMML() throws Exception {
		RExp rexp;

		try(InputStream is = open(getRdsPath())){
			RExpParser parser = new RExpParser(is);

			rexp = parser.parse();
		}

		Converter converter = createConverter(rexp);

		PMML pmml = converter.encodePMML();

		validatePMML(pmml);

		return pmml;
	}

	public Converter createConverter(RExp rexp){
		Class> converterClazz = getConverterClazz();

		ConverterFactory converterFactory = ConverterFactory.newInstance();

		Converter converter;

		if(converterClazz != null){
			converter = converterFactory.newConverter(converterClazz, rexp);
		} else

		{
			converter = converterFactory.newConverter(rexp);
		}

		return converter;
	}

	public Class> getConverterClazz(){
		return this.converterClazz;
	}

	void setConverterClazz(Class> converterClazz){
		this.converterClazz = converterClazz;
	}
}    

    

    

            

    

            



    
    






    
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