package org.robolectric.util; /* * Copyright (C) 2009 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Container to ease passing around a tuple of two objects. * * @param First type. * @param Second type. */ public class Pair { public final F first; public final S second; public Pair(F first, S second) { this.first = first; this.second = second; } @Override public boolean equals(Object o) { if (!(o instanceof Pair)) { return false; } Pair p = (Pair) o; return equal(p.first, first) && equal(p.second, second); } @Override public int hashCode() { return (first == null ? 0 : first.hashCode()) ^ (second == null ? 0 : second.hashCode()); } public static Pair create(A a, B b) { return new Pair<>(a, b); } private static boolean equal(Object a, Object b) { return a == b || (a != null && a.equals(b)); } }