jp.go.nict.langrid.commons.util.Trio Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jp.go.nict.langrid.commons Show documentation
Common and utility library for the Service Grid Server Software and java web services.
The newest version!
/*
 * $Id: Trio.java 182 2010-10-02 03:16:36Z t-nakaguchi $
 *
 * This is a program for Language Grid Core Node. This combines multiple language resources and provides composite language services.
 * Copyright (C) 2005-2008 NICT Language Grid Project.
 *
 * This program is free software: you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by 
 * the Free Software Foundation, either version 2.1 of the License, or (at 
 * your option) any later version.
 *
 * This program 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 Lesser 
 * General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program. If not, see .
 */
package jp.go.nict.langrid.commons.util;

import java.io.Serializable;

/**
 * 
 * 
 * @author Takao Nakaguchi
 * @author $Author: t-nakaguchi $
 * @version $Revision: 182 $
 */
public class Trio
implements Serializable{
	/**
	 * 
	 * 
	 */
	public Trio(T first, U second, V third){
		this.first = first;
		this.second = second;
		this.third = third;
	}

	/**
	 * 
	 * 
	 */
	public T getFirst(){
		return first;
	}

	/**
	 * 
	 * 
	 */
	public U getSecond(){
		return second;
	}

	/**
	 * 
	 * 
	 */
	public V getThird(){
		return third;
	}

	@Override
	public boolean equals(Object value){
		if(value == null) return false;
		if(!getClass().equals(value.getClass())) return false;
		return equals((Trio)value);
	}

	/**
	 * 
	 * 
	 */
	public boolean equals(Trio value){
		if(value == null) return false;
		if(first == null){
			if(value.getFirst() != null) return false;
		} else{
			if(!first.equals(value.getFirst())) return false;
		}
		if(second == null){
			if(value.getSecond() != null) return false;
		} else{
			if(!second.equals(value.getSecond())) return false;
		}
		if(third == null){
			if(value.getThird() != null) return false;
		} else{
			if(!third.equals(value.getThird())) return false;
		}
		return true;
	}

	@Override
	public int hashCode() {
		int h = 0;
		h = (first != null) ? first.hashCode() : 0;
		h = h * 31 + ((second != null) ? second.hashCode() : 0);
		h = h * 31 + ((third != null) ? third.hashCode() : 0);
		return h;
	}

	@Override
	public String toString() {
		StringBuilder b = new StringBuilder();
		b.append("[");
		b.append(getClass().getName());
		b.append(" ");
		b.append("first:");
		b.append(first);
		b.append(",second:");
		b.append(second);
		b.append(",third:");
		b.append(third);
		b.append("]");
		return b.toString();
	}

	/**
	 * 
	 * 
	 */
	public static  Trio create(T v1, U v2, V v3){
		return new Trio(v1, v2, v3);
	}

	private T first;
	private U second;
	private V third;
	private static final long serialVersionUID = -2425491121303414230L;
}