84 lines
2.6 KiB
Java
84 lines
2.6 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2023 ViaVersion and contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.viaversion.viaversion.util;
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import java.util.Objects;
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import org.checkerframework.checker.nullness.qual.Nullable;
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public class Pair<X, Y> {
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private final X key;
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private Y value;
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public Pair(@Nullable X key, @Nullable Y value) {
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this.key = key;
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this.value = value;
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}
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public @Nullable X key() {
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return key;
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}
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public @Nullable Y value() {
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return value;
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}
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@Deprecated/*(forRemoval = true)*/
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public @Nullable X getKey() {
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return key;
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}
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@Deprecated/*(forRemoval = true)*/
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public @Nullable Y getValue() {
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return value;
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}
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/**
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* @deprecated don't count on this continuing to be mutable
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*/
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@Deprecated/*(forRemoval = true)*/
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public void setValue(@Nullable Y value) {
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this.value = value;
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}
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@Override
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public String toString() {
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return "Pair{" + key + ", " + value + '}';
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}
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@Override
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public boolean equals(final Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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Pair<?, ?> pair = (Pair<?, ?>) o;
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if (!Objects.equals(key, pair.key)) return false;
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return Objects.equals(value, pair.value);
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}
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@Override
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public int hashCode() {
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int result = key != null ? key.hashCode() : 0;
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result = 31 * result + (value != null ? value.hashCode() : 0);
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return result;
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}
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}
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