使用枚举实现树结构

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1.父枚举NoticeTypeEnum

package com.messageService.enums;import java.util.Arrays;import java.util.List;public enum NoticeTypeEnum {SYSTEM(1,"系统通知") {@Overridepublic List<MessageTypeEnum> getMessageTypes() {return Arrays.asList(MessageTypeEnum.ORDER,MessageTypeEnum.REFUND,MessageTypeEnum.AFTERSALE,MessageTypeEnum.COUPON);}},INTERACTION(2,"互动通知") {@Overridepublic List<MessageTypeEnum> getMessageTypes() {return Arrays.asList(MessageTypeEnum.COMMENT,MessageTypeEnum.LIKE,MessageTypeEnum.REPLY);}},DELIVER(3, "物流通知") {@Overridepublic List<MessageTypeEnum> getMessageTypes() {return Arrays.asList(MessageTypeEnum.SHIPMENTS,MessageTypeEnum.SIGNFOR);}},ACTIVITY(4, "活动通知") {@Overridepublic List<MessageTypeEnum> getMessageTypes() {return Arrays.asList(MessageTypeEnum.ACTIVITY);}};private NoticeTypeEnum(Integer code, String remark) {this.code = code;this.remark = remark;}private Integer code;private String remark;public Integer getCode() {return code;}public void setCode(Integer code) {this.code = code;}public String getRemark() {return remark;}public void setRemark(String remark) {this.remark = remark;}public abstract List<MessageTypeEnum> getMessageTypes();}

2.子枚举MessageTypeEnum

package com.messageService.enums;public enum MessageTypeEnum {ORDER(1, "订单提醒"),REFUND(2, "退款提醒"),AFTERSALE(4, "售后提醒"), COUPON(5, "优惠券提醒"), ACTIVITY(6, "活动通知"),COMMENT(7, "评论通知"),REPLY(8, "回复通知"),LIKE(9, "点赞通知"),SHIPMENTS(10, "发货通知"),SIGNFOR(11, "签收通知");private Integer code;private String remark;private MessageTypeEnum(Integer code, String remark) {this.code = code;this.remark = remark;}public Integer getCode() {return code;}public void setCode(Integer code) {this.code = code;}public String getRemark() {return remark;}public void setRemark(String remark) {this.remark = remark;}}

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