实体类对象排序

 1 package com.-.it.regioc.bean.config.prefer;
 2 
 3 import org.jetbrains.annotations.NotNull;
 4 import lombok.AllArgsConstructor;
 5 import lombok.Data;
 6 import lombok.NoArgsConstructor;
 7 
 8 /**
 9  * 用户偏好探针
10  */
11 @Data
12 @NoArgsConstructor
13 @AllArgsConstructor
14 public class PreferProbeItem implements Comparable<PreferProbeItem> {
15 
16     private String userId;
17 
18     private String topic;
19 
20     private String stage;
21 
22     private String probeId;
23 
24     private String probeName;
25 
26     // 喜欢的rank赋值1，不关注的0
27     private Integer rank;
28 
29     @Override
30     public int compareTo(@NotNull PreferProbeItem o) {
31         if (this.rank == null || this.rank == 0) {
32             return -1;
33         }
34         return this.rank.compareTo(o.getRank());
35     }
36 }