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JPMML Python to PMML converter

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/*
 * Copyright (c) 2019 Villu Ruusmann
 *
 * This file is part of JPMML-Python
 *
 * JPMML-Python 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-Python 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-Python.  If not, see .
 */
package pandas.core;

import java.util.Collections;

import com.google.common.collect.Iterables;
import org.jpmml.python.HasArray;

public class SingleBlockManager extends BlockManager {

	public SingleBlockManager(){
		this("pandas.core.internals.managers", "SingleBlockManager");
	}

	public SingleBlockManager(String module, String name){
		super(module, name);
	}

	public Index getOnlyBlockItem(){
		return Iterables.getOnlyElement(getBlockItems());
	}

	public SingleBlockManager setOnlyBlockItem(Index index){
		setBlockItems(Collections.singletonList(index));

		return this;
	}

	public HasArray getOnlyBlockValue(){
		return Iterables.getOnlyElement(getBlockValues());
	}

	public SingleBlockManager setOnlyBlockValue(HasArray hasArray){
		setBlockValues(Collections.singletonList(hasArray));

		return this;
	}
}