47.Spark大型电商项目-用户访问session分析-top10热门品类之自定义二次排序key

目录

代码

CategorySortKey.java

---

本篇文章记录用户访问session分析-top10热门品类之自定义二次排序key。

代码

 
spark包下

CategorySortKey.java

package graduation.java.spark;

import scala.math.Ordered;

/**
 * FileName: CategoryOrderKey
 * Author:   hadoop
 * Email:    [email protected]
 * Date:     19-3-22 下午9:15
 * Description:
 * 品类二次排序key
 * 封装你要进行排序算法需要的几个字段：点击次数、下单次数和支付次数
 * 实现Ordered接口要求的几个方法
 * 跟其他key相比，如何来判定大于、大于等于、小于、小于等于
 * 依次使用三个次数进行比较，如果某一个相等，那么就比较下一个
 */
public class CategorySortKey implements Ordered {

    private long clickCount;
    private long orderCount;
    private  long payCount;

    public CategorySortKey(long clickCount, long orderCount, long payCount) {
        this.clickCount = clickCount;
        this.orderCount = orderCount;
        this.payCount = payCount;
    }

    @Override
    public int compare(CategorySortKey other) {
        if (clickCount - other.getClickCount() != 0){
            return (int)(clickCount - other.getClickCount());
        } else if (orderCount - other.getOrderCount() != 0){
            return (int)(orderCount - other.getOrderCount());
        } else if (payCount - other.payCount != 0){
            return  (int)(payCount - other.getPayCount());
        }
        return 0;
    }

    @Override
    public boolean $less(CategorySortKey other) {
        if (clickCount  < other.getClickCount()){
            return true;
        } else if (clickCount == other.getClickCount() && orderCount < other.getOrderCount()){
            return true;
        } else if(clickCount == other.getClickCount() && orderCount == other.getOrderCount() && payCount < other.getPayCount()){
            return true;
        }
        return false;
    }

    @Override
    public boolean $greater(CategorySortKey other) {
        if (clickCount > other.getClickCount()){
            return true;
        } else if(clickCount == other.getClickCount() && orderCount > other.getOrderCount()) {
            return  true;
        } else if (clickCount == other.getClickCount() && orderCount == other.getOrderCount() && payCount > other.getPayCount()){
            return  true;
        }
        return false;
    }

    @Override
    public boolean $less$eq(CategorySortKey other) {
        if ($less(other)){
            return true;
        } else if(clickCount == other.getClickCount() && orderCount == other.getOrderCount() && payCount == other.payCount){
            return true;
        }
        return false;
    }

    @Override
    public boolean $greater$eq(CategorySortKey other) {
        if ($greater(other)){
            return true;
        } else if(clickCount == other.getClickCount() && orderCount == other.getOrderCount() && payCount == other.payCount){
            return true;
        }
        return false;
    }

    @Override
    public int compareTo(CategorySortKey other) {
        if (clickCount - other.getClickCount() != 0){
            return (int)(clickCount - other.getClickCount());
        } else if (orderCount - other.getOrderCount() != 0){
            return (int)(orderCount - other.getOrderCount());
        } else if (payCount - other.payCount != 0){
            return  (int)(payCount - other.getPayCount());
        }
        return 0;
    }

    public long getClickCount() {
        return clickCount;
    }

    public void setClickCount(long clickCount) {
        this.clickCount = clickCount;
    }

    public long getOrderCount() {
        return orderCount;
    }

    public void setOrderCount(long orderCount) {
        this.orderCount = orderCount;
    }

    public long getPayCount() {
        return payCount;
    }

    public void setPayCount(long payCount) {
        this.payCount = payCount;
    }

    @Override
    public String toString() {
        return "CategorySortKey{" +
                "clickCount=" + clickCount +
                ", orderCount=" + orderCount +
                ", payCount=" + payCount +
                '}';
    }
}