【8.0】【tenant】更新获取租户id策略，增加一个线程变量获取方式

kernel-d-db/db-sdk-mp/src/main/java/cn/stylefeng/roses/kernel/db/mp/tenant/ProjectTenantInterceptor.java

@@ -4,6 +4,7 @@ import cn.hutool.core.util.ObjectUtil;
 import cn.stylefeng.roses.kernel.auth.api.context.LoginContext;
 import cn.stylefeng.roses.kernel.auth.api.pojo.login.LoginUser;
 import cn.stylefeng.roses.kernel.db.api.pojo.tenant.TenantTableProperties;
+import cn.stylefeng.roses.kernel.db.mp.tenant.holder.TenantIdHolder;
 import com.baomidou.mybatisplus.extension.plugins.handler.TenantLineHandler;
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.LongValue;
@@ -30,6 +31,14 @@ public class ProjectTenantInterceptor implements TenantLineHandler {
 
     @Override
     public Expression getTenantId() {
+
+        // 1. 优先从线程变量中获取，这个优先级最高
+        Long tenantId = TenantIdHolder.get();
+        if (ObjectUtil.isNotEmpty(tenantId)) {
+            return new LongValue(tenantId);
+        }
+
+        // 2. 从LoginUser中获取tenantId
         LoginUser loginUserNullable = LoginContext.me().getLoginUserNullable();
         if (loginUserNullable == null) {
             return null;

kernel-d-db/db-sdk-mp/src/main/java/cn/stylefeng/roses/kernel/db/mp/tenant/holder/TenantIdHolder.java

@@ -0,0 +1,43 @@
+package cn.stylefeng.roses.kernel.db.mp.tenant.holder;
+
+/**
+ * 租户id临时存放holder，这个优先级高于LoginUser获取的配置
+ *
+ * @author fengshuonan
+ * @since 2023/8/31 17:03
+ */
+public class TenantIdHolder {
+
+    private static final ThreadLocal<Long> TENANT_ID_TEMP_HOLDER = new ThreadLocal<>();
+
+    /**
+     * 设置租户id
+     *
+     * @author fengshuonan
+     * @since 2023/8/31 17:04
+     */
+    public static void set(Long tenantId) {
+        TENANT_ID_TEMP_HOLDER.set(tenantId);
+    }
+
+    /**
+     * 获取租户id
+     *
+     * @author fengshuonan
+     * @since 2023/8/31 17:04
+     */
+    public static Long get() {
+        return TENANT_ID_TEMP_HOLDER.get();
+    }
+
+    /**
+     * 删除租户id
+     *
+     * @author fengshuonan
+     * @since 2023/8/31 17:05
+     */
+    public static void remove() {
+        TENANT_ID_TEMP_HOLDER.remove();
+    }
+
+}

kernel-d-db/db-sdk-mp/src/main/java/cn/stylefeng/roses/kernel/db/mp/tenant/holder/TenantRemoveThreadLocalHolder.java

@@ -0,0 +1,20 @@
+package cn.stylefeng.roses.kernel.db.mp.tenant.holder;
+
+import cn.stylefeng.roses.kernel.rule.threadlocal.RemoveThreadLocalApi;
+import org.springframework.stereotype.Component;
+
+/**
+ * 清除参数缓存相关的ThreadLocal
+ *
+ * @author fengshuonan
+ * @since 2023/8/31 17:06
+ */
+@Component
+public class TenantRemoveThreadLocalHolder implements RemoveThreadLocalApi {
+
+    @Override
+    public void removeThreadLocalAction() {
+        TenantIdHolder.remove();
+    }
+
+}

kernel-s-system/system-spring-boot-starter/src/main/java/cn/stylefeng/roses/kernel/sys/starter/init/InitAdminService.java

@@ -24,6 +24,7 @@
  */
 package cn.stylefeng.roses.kernel.sys.starter.init;
 
+import cn.stylefeng.roses.kernel.db.mp.tenant.holder.TenantIdHolder;
 import cn.stylefeng.roses.kernel.sys.api.constants.SysConstants;
 import cn.stylefeng.roses.kernel.sys.api.expander.TenantConfigExpander;
 import cn.stylefeng.roses.kernel.sys.modular.menu.entity.SysMenu;
@@ -77,10 +78,15 @@ public class InitAdminService {
         // 找到默认系统租户下，后台管理员角色id
         LambdaQueryWrapper<SysRole> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(SysRole::getRoleCode, SysConstants.BACKEND_ADMIN_ROLE_CODE);
-        // 默认根租户
-        queryWrapper.eq(SysRole::getTenantId, TenantConfigExpander.getDefaultRootTenantId());
+        SysRole superAdminRole;
+        try {
+            // 设置一个默认根租户
+            TenantIdHolder.set(TenantConfigExpander.getDefaultRootTenantId());
             queryWrapper.select(SysRole::getRoleId);
-        SysRole superAdminRole = sysRoleService.getOne(queryWrapper);
+            superAdminRole = sysRoleService.getOne(queryWrapper);
+        } finally {
+            TenantIdHolder.remove();
+        }
 
         // 获取所有的菜单和功能
         List<SysMenu> totalMenuList = sysMenuService.getTotalMenuList();