com.neko233.toolchain.common.random.WeightObject Maven / Gradle / Ivy
package com.neko233.toolchain.common.random;
/**
* 带有权重的对象包装
*
* @param 对象类型
* @author looly
*/
public class WeightObject {
/**
* 权重
*/
private final double weight;
/**
* 对象
*/
private T obj;
/**
* 构造
*
* @param obj 对象
* @param weight 权重
*/
public WeightObject(T obj, double weight) {
this.obj = obj;
this.weight = weight;
}
/**
* 获取对象
*
* @return 对象
*/
public T getObj() {
return obj;
}
/**
* 设置对象
*
* @param obj 对象
*/
public void setObj(T obj) {
this.obj = obj;
}
/**
* 获取权重
*
* @return 权重
*/
public double getWeight() {
return weight;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((obj == null) ? 0 : obj.hashCode());
long temp;
temp = Double.doubleToLongBits(weight);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
WeightObject other = (WeightObject) obj;
if (this.obj == null) {
if (other.obj != null) {
return false;
}
} else if (!this.obj.equals(other.obj)) {
return false;
}
return Double.doubleToLongBits(weight) == Double.doubleToLongBits(other.weight);
}
}