增加 TenantFrameworkServiceImpl 的缓存，提升性能

yudao-framework/yudao-spring-boot-starter-biz-tenant/src/main/java/cn/iocoder/yudao/framework/tenant/core/service/TenantFrameworkServiceImpl.java

@@ -1,9 +1,14 @@
 package cn.iocoder.yudao.framework.tenant.core.service;
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.util.cache.CacheUtils;
 import cn.iocoder.yudao.module.system.api.tenant.TenantApi;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
 import lombok.RequiredArgsConstructor;
+import lombok.SneakyThrows;
 
+import java.time.Duration;
 import java.util.List;
 
 /**
@@ -16,16 +21,45 @@ public class TenantFrameworkServiceImpl implements TenantFrameworkService {
 
     private final TenantApi tenantApi;
 
+    /**
+     * 针对 {@link #getTenantIds()} 的缓存
+     */
+    private final LoadingCache<Object, List<Long>> getTenantIdsCache = CacheUtils.buildAsyncReloadingCache(
+            Duration.ofMinutes(1L), // 过期时间 1 分钟
+            new CacheLoader<Object, List<Long>>() {
+
+                @Override
+                public List<Long> load(Object key) {
+                    CommonResult<List<Long>> tenantIdsResult = tenantApi.getTenantIds();
+                    tenantIdsResult.checkError();
+                    return tenantIdsResult.getData();
+                }
+
+            });
+
+    /**
+     * 针对 {@link #validTenant(Long)} 的缓存
+     */
+    private final LoadingCache<Long, CommonResult<Boolean>> validTenantCache = CacheUtils.buildAsyncReloadingCache(
+            Duration.ofMinutes(1L), // 过期时间 1 分钟
+            new CacheLoader<Long, CommonResult<Boolean>>() {
+
+                @Override
+                public CommonResult<Boolean> load(Long id) {
+                    return tenantApi.validTenant(id);
+                }
+
+            });
+
     @Override
     public List<Long> getTenantIds() {
-        CommonResult<List<Long>> tenantIdsResult = tenantApi.getTenantIds();
-        tenantIdsResult.checkError();
-        return tenantIdsResult.getData();
+        return getTenantIdsCache.getUnchecked(Boolean.TRUE);
     }
 
     @Override
+    @SneakyThrows
     public void validTenant(Long id) {
-        tenantApi.validTenant(id).checkError();
+        validTenantCache.getUnchecked(id).checkError();
     }
 
 }