com.qq.tars.client.util.Pair Maven / Gradle / Ivy
/**
* Tencent is pleased to support the open source community by making Tars available.
*
* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.
*/
package com.qq.tars.client.util;
import java.io.Serializable;
public final class Pair implements Serializable {
private static final long serialVersionUID = -1037592552817068942L;
public F first;
public S second;
public Pair() {
}
public Pair(F f, S s) {
this.first = f;
this.second = s;
}
private static boolean eq(T o1, T o2) {
return o1 == null ? o2 == null : o1.equals(o2);
}
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof Pair)) return false;
@SuppressWarnings("unchecked")
Pair pr = (Pair) o;
return eq(first, pr.first) && eq(second, pr.second);
}
private static int h(Object o) {
return o == null ? 0 : o.hashCode();
}
public int hashCode() {
int seed = h(first);
seed ^= h(second) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
return seed;
}
public F getFirst() {
return first;
}
public S getSecond() {
return second;
}
public void setFirst(F first) {
this.first = first;
}
public void setSecond(S second) {
this.second = second;
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("{").append(first).append(", ").append(second).append("}");
return sb.toString();
}
}