xy.reflect.ui.util.Pair Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (C) 2018 OTK Software
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 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 General Public License for more details.
*
* The GNU General Public License allows you also to freely redistribute
* the libraries under the same license, if you provide the terms of the
* GNU General Public License with them and add the following
* copyright notice at the appropriate place (with a link to
* http://javacollection.net/reflectionui/ web site when possible).
******************************************************************************/
package xy.reflect.ui.util;
public class Pair{
protected T1 first;
protected T2 second;
public Pair(T1 first, T2 second){
if(first == null){
throw new IllegalArgumentException("first == null");
}
if(second == null){
throw new IllegalArgumentException("second == null");
}
this.first = first;
this.second = second;
}
public T1 getFirst() {
return first;
}
public T2 getSecond() {
return second;
}
@Override
public int hashCode() {
return first.hashCode() + second.hashCode();
}
@Override
public boolean equals(Object obj) {
if(!(obj instanceof Pair)){
return false;
}
@SuppressWarnings({ "rawtypes" })
Pair other = (Pair) obj;
if(! first.equals(other.first)){
return false;
}
if(! second.equals(other.second)){
return false;
}
return true;
}
@Override
public String toString() {
return "first="+first+"\nsecond="+second;
}
}