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package com.dahuatech.hutool.core.lang;

import com.dahuatech.hutool.core.clone.CloneSupport;
import com.dahuatech.hutool.core.collection.ArrayIter;

import java.io.Serializable;
import java.util.Arrays;
import java.util.Iterator;

/**
 * 不可变数组类型，用于多值返回

 * 多值可以支持每个元素值类型不同
 *
 * @author Looly
 */
public class Tuple extends CloneSupport implements Iterable, Serializable {
  private static final long serialVersionUID = -7689304393482182157L;

  private Object[] members;

  /**
   * 构造
   *
   * @param members 成员数组
   */
  public Tuple(Object... members) {
    this.members = members;
  }

  /**
   * 获取指定位置元素
   *
   * @param  返回对象类型
   * @param index 位置
   * @return 元素
   */
  @SuppressWarnings("unchecked")
  public  T get(int index) {
    return (T) members[index];
  }

  /**
   * 获得所有元素
   *
   * @return 获得所有元素
   */
  public Object[] getMembers() {
    return this.members;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + Arrays.deepHashCode(members);
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    Tuple other = (Tuple) obj;
    if (false == Arrays.deepEquals(members, other.members)) {
      return false;
    }
    return true;
  }

  @Override
  public String toString() {
    return Arrays.toString(members);
  }

  @Override
  public Iterator iterator() {
    return new ArrayIter(members);
  }
}
    

    

    

            

    

            



    
    






    
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