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JPMML class model evaluator

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/*
 * Copyright (c) 2013 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;

import java.util.Objects;

import org.dmg.pmml.Entity;
import org.jpmml.model.ToStringHelper;

abstract
public class EntityClassification, K, V extends Number> extends Classification implements HasEntityId, HasEntityRegistry {

	private E entity = null;

	private Value entityValue = null;


	protected EntityClassification(Type type, ValueMap values){
		super(type, values);
	}

	@Override
	protected ToStringHelper toStringHelper(){
		ToStringHelper helper = super.toStringHelper()
			.add("entityId", getEntityId());

		return helper;
	}

	public void put(E entity, K key, Value value){
		Type type = getType();

		entity = Objects.requireNonNull(entity);

		key = Objects.requireNonNull(key);
		value = Objects.requireNonNull(value);

		if(this.entityValue == null || type.compareValues(value, this.entityValue) > 0){
			setEntity(entity);

			this.entityValue = value;
		}

		put(key, value);
	}

	@Override
	public String getEntityId(){
		E entity = getEntity();

		if(entity == null){
			throw new IllegalStateException();
		}

		return EntityUtil.getId(entity, this);
	}

	public E getEntity(){
		return this.entity;
	}

	protected void setEntity(E entity){
		this.entity = entity;
	}
}