com.github.javaparser.utils.Pair Maven / Gradle / Ivy
/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2021 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser 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.
*/
package com.github.javaparser.utils;
import java.util.Objects;
import static com.github.javaparser.utils.CodeGenerationUtils.f;
/**
* Simply a pair of objects.
*
* @param type of object a.
* @param type of object b.
*/
public class Pair {
public final A a;
public final B b;
public Pair(A a, B b) {
this.a = a;
this.b = b;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Pair pair = (Pair) o;
if (!Objects.equals(a, pair.a)) return false;
if (!Objects.equals(b, pair.b)) return false;
return true;
}
@Override
public int hashCode() {
int result = a != null ? a.hashCode() : 0;
return 31 * result + (b != null ? b.hashCode() : 0);
}
@Override
public String toString() {
return f("<%s, %s>", a, b);
}
}