实体类对象排序

package com.-.it.regioc.bean.config.prefer;

import org.jetbrains.annotations.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

/**
 * 用户偏好探针
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
public class PreferProbeItem implements Comparable<PreferProbeItem> {

    private String userId;

    private String topic;

    private String stage;

    private String probeId;

    private String probeName;

    // 喜欢的rank赋值1，不关注的0
    private Integer rank;

    @Override
    public int compareTo(@NotNull PreferProbeItem o) {
        if (this.rank == null || this.rank == 0) {
            return -1;
        }
        return this.rank.compareTo(o.getRank());
    }
}