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JPMML class model evaluator

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/*
 * Copyright (c) 2017 Villu Ruusmann
 *
 * This file is part of JPMML-Evaluator
 *
 * JPMML-Evaluator 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-Evaluator 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-Evaluator.  If not, see .
 */
package org.jpmml.evaluator;

public class ReportUtil {

	private ReportUtil(){
	}

	static
	public Report getReport(Value value){

		if(value instanceof HasReport){
			HasReport hasReport = (HasReport)value;

			return hasReport.getReport();
		}

		return null;
	}

	static
	public String format(Report report){

		if(report == null || !report.hasEntries()){
			return null;
		}

		Report.Entry entry = report.tailEntry();

		return " $" + entry.getExpression() + "$ ";
	}
}