@[TOC]
说明：基础工具类
Msg
package com.geespace.microservices.data.computing.model.server.response;
import java.util.HashMap;
import java.util.Map;
import lombok.AllArgsConstructor;
import lombok.Getter;
/**
* Msg
*
* @author:
* @date: 2020-06-18
*/
@AllArgsConstructor
@Getter
public enum Msg {
/**
* 请求类型错误
*/
SUCCESS(200, "success"), FAILED(20001, "Operation failed"),
EXCUTE_ERROR(16001, "Service invocation exception, please try again later"),
UNKNOW_ERROR(16002, "unknown error"),
PARAM_ERROR(16003, "request param error"),
DATA_SAVE_FAIL(16004, "data save fail"),
ID_IS_NOT_EXIST(16005, "id isn't exist"),
QUERY_RESULT_IS_EMPTY(16006, "request result is null"),
NAME_IS_EXIST(16007, "name already exist"),
ID_IS_NOT_EXIST_DATA(16008, "There is no data for the current ID"),
DATASOURCE_NOT_EXIST(16009, "datasource not exist"),
JDBC_EXCEPTION(16010, "jdbc connection or search exception"),
TASK_HAS_BEEN_STOPPED(16011, "task has been stopped");
private int code;
private String msg;
private static final Map<Integer, Msg> MAP = new HashMap<>();
static {
for (Msg msgEnum : Msg.values()) {
MAP.put(msgEnum.code, msgEnum);
}
}
/**
* 通过code获取枚举
*
* @param code
* code
* @return 枚举
*/
public static Msg getByCode(int code) {
return MAP.get(code);
}
}
AI 代码解读
PageResult
package com.geespace.microservices.data.computing.model.server.response;
import java.io.Serializable;
import java.util.List;
import lombok.Data;
/**
*
* @param <T>
* Construct return entity
* @author liudz
* @since Oracle JDK1.8
**/
@Data
public class PageResult<T> implements Serializable {
private int pageNum;
private int pageSize;
private long totalCount;
private long totalPage;
private List<T> list;
}
AI 代码解读
Response
package com.geespace.microservices.data.computing.model.server.response;
import java.io.Serializable;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* merge fromn iot
*
* @param <T>
* @Author: Mickey
* @Date: 2019/9/9 {TIME}
* @Version 1.0
*/
@Data
@NoArgsConstructor
@AllArgsConstructor
public final class Response<T> implements Serializable {
private int code;
private String msg;
private T info;
private Response(Msg msg) {
this(msg, null);
}
private Response(Msg msg, T info) {
this.code = msg.getCode();
this.msg = msg.getMsg();
this.info = info;
}
private Response(int code, String msg) {
this.code = code;
this.msg = msg;
}
/**
* Return to success
*
* @param <T>
* Return info
* @return <T> Success
*/
public static <T> Response<T> success() {
return success(null);
}
/**
* Return to success
*
* @param t
* Return info
* @param <T>
* Return generic
* @return <T> Return entity
*/
public static <T> Response<T> success(T t) {
return new Response<>(Msg.SUCCESS, t);
}
/**
* Return failed
*
* @param msg
* result enumeration
* @param <T>
* Return info
* @return <T> Return entity
*/
public static <T> Response<T> error(Msg msg) {
return new Response<>(msg);
}
/**
* Return failed
*
* @param code
* Error code
* @param msg
* Error message
* @param <T>
* Return info
* @return <T> Return entity
*/
public static <T> Response<T> error(int code, String msg) {
return new Response<>(code, msg);
}
/**
*
* @author luke liu
* @param <T>
* t
* @param msg
* error msg
* @return error result
**/
public static <T> Response<T> error(String msg) {
return new Response(msg);
}
/**
* Determine whether response is successful in returning
*
* @return Success
*/
public boolean responseSuccess() {
if (this.code == Msg.SUCCESS.getCode()) {
return true;
}
return false;
}
private Response(String msg) {
this.code = Msg.FAILED.getCode();
this.msg = msg;
this.info = null;
}
}
AI 代码解读
BusinessDomainEnum(枚举)
package com.geespace.microservices.directory.assets.enums;
import lombok.AllArgsConstructor;
import lombok.Getter;
/**
* 业务域
* @Author: liudz
* @Date: 2020/6/22
* @Version 1.0
*/
@AllArgsConstructor
@Getter
public enum BusinessDomainEnum {
/**
* 类型1
*/
ONE(1, "低轨物联"),
/**
* 类型2
*/
TWO(2, "大网");
private int category;
private String value;
/**
* @author liudz
* @param category category
* @return ture or false
**/
public static String transfer(int category) {
BusinessDomainEnum[] values = BusinessDomainEnum.values();
for (BusinessDomainEnum subEnum : values) {
if (category == subEnum.getCategory()) {
return subEnum.getValue();
}
}
return "error";
}
}
AI 代码解读
EsDocumentConstants(常量)
package com.geespace.microservices.directory.assets.constants;
/**
* 资产目录功能相关符号常量
* @author: liudz
* @date: 2020/9/15
*/
public final class EsDocumentConstants {
private EsDocumentConstants(){}
public static final String FILE_NAME = "file_name";
public static final String FILE_TYPE = "file_type";
public static final String DATABASE_NAME = "database_name";
public static final String TABLE_NAME = "table_name";
public static final String INCLUDE_FIELDS = "include_fields";
public static final String BUSINESS_DOMAIN = "business_domain";
public static final String STORE_TYPE = "store_type";
public static final String UPDATE_TIME = "update_time";
public static final String WHETHER_ONLINE = "whether_online";
public static final String FOREIGN_ID = "foreign_id";
}
AI 代码解读
本人其他文章链接
1.java小工具util系列1：日期毫秒数转日期字符串
https://blog.csdn.net/a924382407/article/details/121955349
2.java小工具util系列2：获取字符modelStr在字符串str中第count次出现时的下标
https://blog.csdn.net/a924382407/article/details/121955455
3.java小工具util系列3：正则表达式匹配:匹配不包含@特殊字符的字符串
https://blog.csdn.net/a924382407/article/details/121955737
4.java小工具util系列4：String[] 转 List＜ Integer ＞
https://blog.csdn.net/a924382407/article/details/121956201
5.java小工具util系列5：基础工具代码(Msg、PageResult、Response、常量、枚举)
https://blog.csdn.net/a924382407/article/details/120952865
6.java小工具util系列6：java执行string返回boolean结果
https://blog.csdn.net/a924382407/article/details/117124536
7.java小工具util系列7：集合中实体对象转换 list中Enrey转Dto
https://blog.csdn.net/a924382407/article/details/121957545
8.java小工具util系列8：JSONObject获取key
https://blog.csdn.net/a924382407/article/details/121957607
9.java小工具util系列9：检测一个字符串是否是时间格式
https://blog.csdn.net/a924382407/article/details/123948881
10.java小工具util系列10：时间毫秒数、时间格式字符串、日期之间相互转化
https://blog.csdn.net/a924382407/article/details/124581851
重要信息
