org.jpmml.sparkml.DocumentFeature Maven / Gradle / Ivy

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

import java.util.LinkedHashSet;
import java.util.Objects;
import java.util.Set;

import org.dmg.pmml.Field;
import org.jpmml.converter.ObjectFeature;
import org.jpmml.model.ToStringHelper;

public class DocumentFeature extends ObjectFeature {

	private String wordSeparatorRE = null;

	private Set stopWordSets = new LinkedHashSet<>();


	public DocumentFeature(SparkMLEncoder encoder, Field field, String wordSeparatorRE){
		super(encoder, field.requireName(), field.requireDataType());

		setWordSeparatorRE(wordSeparatorRE);
	}

	@Override
	public int hashCode(){
		return (31 * super.hashCode()) + Objects.hashCode(this.getWordSeparatorRE());
	}

	@Override
	public boolean equals(Object object){

		if(object instanceof DocumentFeature){
			DocumentFeature that = (DocumentFeature)object;

			return super.equals(object) && Objects.equals(this.getWordSeparatorRE(), that.getWordSeparatorRE());
		}

		return false;
	}

	@Override
	protected ToStringHelper toStringHelper(){
		return super.toStringHelper()
			.add("wordSeparatorRE", getWordSeparatorRE());
	}

	public String getWordSeparatorRE(){
		return this.wordSeparatorRE;
	}

	private void setWordSeparatorRE(String wordSeparatorRE){
		this.wordSeparatorRE = Objects.requireNonNull(wordSeparatorRE);
	}

	public void addStopWordSet(StopWordSet stopWordSet){
		Set stopWordSets = getStopWordSets();

		stopWordSets.add(stopWordSet);
	}

	public Set getStopWordSets(){
		return this.stopWordSets;
	}

	static
	public class StopWordSet extends LinkedHashSet {

		private boolean caseSensitive = false;


		public StopWordSet(boolean caseSensitive){
			setCaseSensitive(caseSensitive);
		}

		@Override
		public int hashCode(){
			return (31 * super.hashCode()) + Objects.hashCode(this.isCaseSensitive());
		}

		@Override
		public boolean equals(Object object){

			if(object instanceof StopWordSet){
				StopWordSet that = (StopWordSet)object;

				return super.equals(object) && Objects.equals(this.isCaseSensitive(), that.isCaseSensitive());
			}

			return false;
		}

		public boolean isCaseSensitive(){
			return this.caseSensitive;
		}

		private void setCaseSensitive(boolean caseSensitive){
			this.caseSensitive = caseSensitive;
		}
	}
}