获取项目id对应的项目编码增加缓存

hz-pm-api/src/main/java/com/hz/pm/api/projectlib/service/IProjectService.java

@@ -13,7 +13,9 @@ import com.hz.pm.api.projectlib.model.req.ProjectListReq;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * <p>
@@ -25,13 +27,31 @@ import java.util.Optional;
  */
 public interface IProjectService extends IService<Project> {
 
+    Map<Long, String> PROJECT_CODE_MAP_ID = new ConcurrentHashMap<>();
+
     default Optional<String> getProjectCode(Long projectId) {
-        LambdaQueryWrapper<Project> query = Wrappers.lambdaQuery(Project.class)
-                .select(Project::getProjectCode)
-                .eq(Project::getId, projectId)
-                .last(BizConst.LIMIT_1);
-        return Optional.ofNullable(getOne(query))
-                .flatMap(w -> Optional.of(w.getProjectCode()));
+        if (projectId == null) {
+            return Optional.empty();
+        }
+        String projectCode = PROJECT_CODE_MAP_ID.get(projectId);
+        if (projectCode == null) {
+            synchronized (this) {
+                projectCode = PROJECT_CODE_MAP_ID.get(projectId);
+                if (projectCode == null) {
+                    Wrapper<Project> query = Wrappers.lambdaQuery(Project.class)
+                            .select(Project::getProjectCode)
+                            .eq(Project::getId, projectId)
+                            .last(BizConst.LIMIT_1);
+                    Project project = getOne(query);
+                    if (project != null) {
+                        projectCode = project.getProjectCode();
+                        PROJECT_CODE_MAP_ID.put(projectId, projectCode);
+                    }
+                }
+
+            }
+        }
+        return Optional.ofNullable(projectCode);
     }
 
     default Optional<Long> getNewProjectId(String projectCode) {