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JPMML class model transpiler

There is a newer version: 1.3.8

/*
 * Copyright (c) 2020 Villu Ruusmann
 *
 * This file is part of JPMML-Transpiler
 *
 * JPMML-Transpiler 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-Transpiler 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-Transpiler.  If not, see .
 */
package org.jpmml.translator;

import org.dmg.pmml.TextIndex;
import org.jpmml.evaluator.TextUtil;
import org.jpmml.evaluator.TokenizedString;

public interface FunctionInvocation {

	static
	interface Ref extends FunctionInvocation {

		String getField();
	}

	static
	interface Tf extends FunctionInvocation {

		TextIndex getTextIndex();

		String getTextField();

		String getTerm();

		default
		TokenizedString getTermTokens(){
			TextIndex textIndex = getTextIndex();
			String term = getTerm();

			if(textIndex.hasTextIndexNormalizations()){
				term = TextUtil.normalize(textIndex, term);
			}

			return TextUtil.tokenize(textIndex, term);
		}
	}

	static
	interface TfIdf extends FunctionInvocation {

		Tf getTf();

		Number getWeight();
	}
}