AdmQueryCriteriaHelper.java 13 KB

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  1. package com.persagy.proxy.adm.utils;
  2. import cn.hutool.core.collection.CollUtil;
  3. import cn.hutool.core.map.MapUtil;
  4. import cn.hutool.core.util.ArrayUtil;
  5. import cn.hutool.core.util.StrUtil;
  6. import com.baomidou.mybatisplus.core.metadata.OrderItem;
  7. import com.fasterxml.jackson.databind.JsonNode;
  8. import com.fasterxml.jackson.databind.node.ArrayNode;
  9. import com.fasterxml.jackson.databind.node.JsonNodeFactory;
  10. import com.fasterxml.jackson.databind.node.ObjectNode;
  11. import com.persagy.dmp.basic.model.QueryCriteria;
  12. import com.persagy.dmp.basic.model.QueryOperator;
  13. import com.persagy.dmp.common.constant.ValidEnum;
  14. import com.persagy.dmp.common.model.entity.BaseEntity;
  15. import com.persagy.proxy.adm.request.AdmQueryCriteria;
  16. import java.math.BigDecimal;
  17. import java.util.ArrayList;
  18. import java.util.HashMap;
  19. import java.util.List;
  20. import java.util.Map;
  21. /**
  22. * ADM通用查询条件
  23. * @author Charlie Yu
  24. * @date 2021-08-16
  25. */
  26. public class AdmQueryCriteriaHelper {
  27. /** 条件匹配字符串 */
  28. public static final String[] COND_STR = {" = "," != "," > "," >= "," < "," <= "," in "," isnull "," contain "," startwith "," endwith "};
  29. /** 条件匹配字符串 根据ADM实际调用查看,去掉空格*/
  30. public static final String[] COND_STR_TRIM = {"=","!=",">",">=","<","<=","contain","in","isnull","startwith","endwith"};
  31. /** 需要替换的字段对照 Map<AdmQueryCriteria.name, Map<AdmFieldName, DmpFieldName> */
  32. public static Map<String, Map<String, String>> RENAME_MAP = new HashMap<>(16);
  33. /** 与数据中台的操作参数对照 */
  34. public static Map<String, String> OPERATOR_MAP = new HashMap<>();
  35. static {
  36. OPERATOR_MAP.put("!=", "$ne");
  37. OPERATOR_MAP.put(">", "$gt");
  38. OPERATOR_MAP.put(">=", "$gte");
  39. OPERATOR_MAP.put("<", "$lt");
  40. OPERATOR_MAP.put("<=", "$lte");
  41. OPERATOR_MAP.put("in", "$in");
  42. OPERATOR_MAP.put("contain", "$like");
  43. OPERATOR_MAP.put("startwith", "$likeLeft");
  44. OPERATOR_MAP.put("endwith", "$likeRight");
  45. }
  46. /**
  47. * 将ADM的查询条件转换为DMP的
  48. * 调用前注意:
  49. * - 调用前将name赋值,才会将条件中adm的属性替换为dmp的属性
  50. * - 统计查询时将isOnlyCount设置为true
  51. * 调用后注意(需要调用者自行处理的):
  52. * - 不处理级联,级联应在调用者里处理级联调用转换后查询赋值
  53. * - 不处理projection,查询后自行根据projection筛选返回属性。(dmp只能指定扩展属性,而adm的是针对所有属性的)
  54. * @param admCriteria
  55. * @return
  56. */
  57. public static QueryCriteria toDmpCriteria(AdmQueryCriteria admCriteria) {
  58. QueryCriteria dmpCriteria = new QueryCriteria();
  59. // 拷贝分页
  60. copyPageInfo(admCriteria, dmpCriteria);
  61. // 处理filters
  62. ObjectNode criteria = toCriteria(admCriteria.getName(), admCriteria.getFilters());
  63. dmpCriteria.setCriteria(criteria);
  64. if(StrUtil.isNotEmpty(admCriteria.getName())){
  65. // 处理name
  66. criteria.put("objType", admCriteria.getName());
  67. }
  68. // 补充valid = 1
  69. if(!criteria.has(BaseEntity.PROP_VALID)) {
  70. criteria.put(BaseEntity.PROP_VALID, ValidEnum.TRUE.getType());
  71. }
  72. // 补充关系条件
  73. if(admCriteria.getRelationFrom() != null) {
  74. criteria.set(QueryOperator.RELATION_FROM.getIndex(), admCriteria.getRelationFrom());
  75. }
  76. if(admCriteria.getRelationTo() != null) {
  77. criteria.set(QueryOperator.RELATION_TO.getIndex(), admCriteria.getRelationTo());
  78. }
  79. // 处理排序
  80. dmpCriteria.setOrders(toOrderItem(admCriteria.getOrders()));
  81. // 处理统计
  82. dmpCriteria.setOnlyCount(admCriteria.isOnlyCount());
  83. return dmpCriteria;
  84. }
  85. /**
  86. * 处理分页信息
  87. * @param admCriteria
  88. * @param dmpCriteria
  89. */
  90. public static void copyPageInfo(AdmQueryCriteria admCriteria, QueryCriteria dmpCriteria) {
  91. // 页码
  92. Integer pageNumber = admCriteria.getPageNumber();
  93. if(pageNumber == null || pageNumber < 1) {
  94. pageNumber = 1;
  95. }
  96. dmpCriteria.setPage(pageNumber.longValue());
  97. // 条数
  98. Integer pageSize = admCriteria.getPageSize();
  99. if(pageSize == null || pageSize > admCriteria.getMaxRow()) {
  100. pageSize = admCriteria.getMaxRow();
  101. }
  102. dmpCriteria.setSize(pageSize.longValue());
  103. }
  104. /**
  105. * 排序字符串转换为对象
  106. * @param orderStr
  107. */
  108. public static List<OrderItem> toOrderItem(String orderStr) {
  109. if(StrUtil.isBlank(orderStr)) {
  110. return null;
  111. }
  112. // 2021年10月20日16:00:01 兼容DMP中台的createTime,updateTime字段
  113. orderStr = StrUtil.replace(orderStr,"createTime","creationTime");
  114. orderStr = StrUtil.replace(orderStr,"updateTime","modifiedTime");
  115. // 按,分隔
  116. String[] orders = StrUtil.split(orderStr, ",");
  117. List<OrderItem> orderList = new ArrayList<>();
  118. for(String order:orders) {
  119. // 按空格分隔
  120. String[] items = StrUtil.split(order, " ");
  121. // 去除空串
  122. items = ArrayUtil.removeEmpty(items);
  123. if(ArrayUtil.isEmpty(items)) {
  124. continue;
  125. }
  126. OrderItem orderItem = new OrderItem();
  127. // 第一位为排序字段
  128. orderItem.setColumn(items[0].trim());
  129. // 只有一位 或 第二位不是desc 表示为升序
  130. orderItem.setAsc(items.length <= 1 || !"desc".equalsIgnoreCase(items[1]));
  131. orderList.add(orderItem);
  132. }
  133. return orderList;
  134. }
  135. /**
  136. * 将ADM过滤条件转换为DMP查询
  137. * 由于数据中台不支持or条件,因此不能转换为中台的KV条件形式,只能转换为sql
  138. * @param filters
  139. * @return
  140. */
  141. public static ObjectNode toCriteria(String name, String filters) {
  142. ObjectNode criteria = JsonNodeFactory.instance.objectNode();
  143. // filters格式参考:http://doc.sagacloud.cn/doc/service/dev/lib/web/filters.html#%E8%BF%87%E6%BB%A4%E6%9D%A1%E4%BB%B6
  144. if(StrUtil.isBlank(filters)) {
  145. return criteria;
  146. }
  147. // 替换逻辑运算符: && || ;
  148. filters = StrUtil.replace(filters, "&&", " and ");
  149. filters = StrUtil.replace(filters, "||", " or ");
  150. filters = StrUtil.replace(filters, ";", " and ");
  151. // 处理[]
  152. filters = StrUtil.replace(filters, "[", " ( ");
  153. filters = StrUtil.replace(filters, "]", " ) ");
  154. // 查找下一个 连接点[and or为连接点]
  155. convertCondition(name, criteria, filters);
  156. return criteria;
  157. }
  158. /**
  159. * 转换为查询条件
  160. * @param name
  161. * @param criteria
  162. * @param filters
  163. */
  164. private static void convertCondition(String name, ObjectNode criteria, String filters) {
  165. // 按and分隔
  166. List<String> andFilters = StrUtil.splitTrim(filters, " and ");
  167. // 按分隔后的表达式依次处理
  168. for(String andFilter:andFilters) {
  169. // 按or分组
  170. List<String> orFilters = StrUtil.splitTrim(andFilter, " or ");
  171. if(CollUtil.isEmpty(orFilters)) {
  172. continue;
  173. }
  174. // 长度为1,则不是or条件
  175. if(orFilters.size() == 1) {
  176. // 转换为Condition
  177. convertExpress(name, criteria, orFilters.get(0));
  178. continue;
  179. }
  180. // or条件
  181. ObjectNode andOr = (ObjectNode) criteria.get(QueryOperator.AND_OR.getIndex());
  182. if(andOr == null) {
  183. // 没有此条件则创建
  184. andOr = criteria.putObject(QueryOperator.AND_OR.getIndex());
  185. }
  186. // 转换为Condition
  187. for(String orFilter:orFilters) {
  188. convertExpress(name, andOr, orFilter);
  189. }
  190. }
  191. }
  192. /**
  193. * 处理表达式
  194. * @param criteria
  195. * @param express
  196. */
  197. private static void convertExpress(String name, ObjectNode criteria, String express) {
  198. String cond = StrUtil.isBlank(StrUtil.getContainsStr(express, COND_STR)) ?
  199. StrUtil.getContainsStr(express, COND_STR_TRIM) : StrUtil.getContainsStr(express, COND_STR);
  200. if(StrUtil.isBlank(cond)) {
  201. return;
  202. }
  203. int condIndex = StrUtil.indexOfIgnoreCase(express, cond, 0);
  204. String condLeft = StrUtil.subPre(express, condIndex).trim();
  205. String condRight = StrUtil.subSuf(express, condIndex+cond.length()).trim();
  206. addCondition(name, criteria, condLeft, cond.trim(), condRight);
  207. }
  208. /**
  209. * 拼接条件
  210. * @param criteria
  211. * @param column
  212. * @param operator
  213. * @param value
  214. */
  215. private static void addCondition(String name, ObjectNode criteria, String column, String operator, String value) {
  216. // 20211015 移除列名中的infos.
  217. column = StrUtil.replaceIgnoreCase(column, "infos.", "");
  218. // 替换列名
  219. column = replaceColumns(name, column);
  220. if("=".equals(operator)) {
  221. criteria.set(column, getJsonNode(criteria, value));
  222. } else if("in".equals(operator)) {
  223. // 按,分隔
  224. String[] splits = StrUtil.split(value, ",");
  225. if(ArrayUtil.isEmpty(splits)) {
  226. return;
  227. }
  228. ArrayNode node = criteria.putArray(column);
  229. for(String split:splits) {
  230. // 去掉所有的() 即为值
  231. split = StrUtil.removeAll(split, '(',')');
  232. node.add(getJsonNode(criteria, split.trim()));
  233. }
  234. } else if("isnull".equals(operator)) {
  235. boolean ifNot = true;
  236. if(column.indexOf("not") >= 0){
  237. ifNot = false;
  238. column = column.split(" ")[1];
  239. }
  240. ObjectNode node = criteria.putObject(column);
  241. node.put("$null", ifNot);
  242. } else {
  243. ObjectNode node = criteria.putObject(column);
  244. node.set(OPERATOR_MAP.get(operator), getJsonNode(node, value));
  245. }
  246. }
  247. /**
  248. * 取Json值对象
  249. * @param criteria
  250. * @param value
  251. * @return
  252. */
  253. private static JsonNode getJsonNode(ObjectNode criteria, String value) {
  254. if(StrUtil.isBlank(value)) {
  255. return criteria.nullNode();
  256. }
  257. // 字符串
  258. if(StrUtil.startWith(value, "'") && StrUtil.endWith(value, "'")) {
  259. return criteria.textNode(StrUtil.sub(value, 1, value.length()-1));
  260. }
  261. // 字符串
  262. if(StrUtil.startWith(value, "\"") && StrUtil.endWith(value, "\"")) {
  263. return criteria.textNode(StrUtil.sub(value, 1, value.length()-1));
  264. }
  265. // 数值
  266. if (StrUtil.contains(value, ".")) {
  267. try {
  268. BigDecimal no = new BigDecimal(value);
  269. return criteria.numberNode(no);
  270. } catch (NumberFormatException e) {
  271. }
  272. }
  273. // 整型
  274. try {
  275. Integer no = Integer.valueOf(value);
  276. return criteria.numberNode(no);
  277. } catch (NumberFormatException e) {
  278. }
  279. return criteria.nullNode();
  280. }
  281. /**
  282. * 替换属性称名
  283. * @param name
  284. * @param column
  285. * @return
  286. */
  287. private static String replaceColumns(String name, String column) {
  288. Map<String, String> fieldMap = getRenameFields(name);
  289. // 没有对照则使用原本的
  290. if(MapUtil.isEmpty(fieldMap) || !fieldMap.containsKey(column)) {
  291. return column;
  292. }
  293. return fieldMap.get(column);
  294. }
  295. /**
  296. * 获取更名对照
  297. * @param name
  298. * @return
  299. */
  300. private static Map<String, String> getRenameFields(String name) {
  301. // 获取通用对照
  302. Map<String, String> commonMap = getRenameMap().get("COMMON");
  303. // 获取此类型的对照
  304. Map<String, String> nameMap = getRenameMap().get(name);
  305. if(MapUtil.isEmpty(nameMap)) {
  306. return commonMap;
  307. }
  308. Map<String, String> rsMap = new HashMap<>();
  309. rsMap.putAll(commonMap);
  310. rsMap.putAll(nameMap);
  311. return rsMap;
  312. }
  313. /**
  314. * 获取通用Map
  315. * @return
  316. */
  317. private static Map<String, Map<String, String>> getRenameMap() {
  318. if(MapUtil.isEmpty(RENAME_MAP)) {
  319. // COMMON表示通用对照
  320. Map<String, String> commonMap = new HashMap<>();
  321. commonMap.put("createTime", "creationTime");
  322. commonMap.put("lastUpdate", "modifiedTime");
  323. RENAME_MAP.put("COMMON", commonMap);
  324. }
  325. return RENAME_MAP;
  326. }
  327. }