1// Copyright (c) Facebook, Inc. and its affiliates
2// SPDX-License-Identifier: MIT OR Apache-2.0
6import java.util.Objects;
8public final class Tuple4<T0, T1, T2, T3> {
9 public final T0 field0;
10 public final T1 field1;
11 public final T2 field2;
12 public final T3 field3;
14 public Tuple4(T0 f0, T1 f1, T2 f2, T3 f3) {
15 Objects.requireNonNull(f0, "f0 must not be null");
16 Objects.requireNonNull(f1, "f1 must not be null");
17 Objects.requireNonNull(f2, "f2 must not be null");
18 Objects.requireNonNull(f3, "f3 must not be null");
25 public boolean equals(Object obj) {
26 if (this == obj) return true;
27 if (obj == null) return false;
28 if (getClass() != obj.getClass()) return false;
29 Tuple4<?,?,?,?> other = (Tuple4) obj;
30 if (!Objects.equals(this.field0, other.field0)) {
33 if (!Objects.equals(this.field1, other.field1)) {
36 if (!Objects.equals(this.field2, other.field2)) {
39 if (!Objects.equals(this.field3, other.field3)) {
45 public int hashCode() {
47 value = 31 * value + (this.field0 != null ? this.field0.hashCode() : 0);
48 value = 31 * value + (this.field1 != null ? this.field1.hashCode() : 0);
49 value = 31 * value + (this.field2 != null ? this.field2.hashCode() : 0);
50 value = 31 * value + (this.field3 != null ? this.field3.hashCode() : 0);
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