diff --git a/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/impl/CacheableServiceImpl.java b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/impl/CacheableServiceImpl.java new file mode 100644 index 00000000..b58b94de --- /dev/null +++ b/mybatis-flex-spring/src/main/java/com/mybatisflex/spring/service/impl/CacheableServiceImpl.java @@ -0,0 +1,109 @@ +/* + * Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com). + *
+ * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + *
+ * http://www.apache.org/licenses/LICENSE-2.0 + *
+ * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.mybatisflex.spring.service.impl; + +import com.mybatisflex.core.BaseMapper; +import com.mybatisflex.core.exception.FlexExceptions; +import com.mybatisflex.core.query.QueryWrapper; +import com.mybatisflex.core.service.IService; +import com.mybatisflex.core.table.TableInfo; +import com.mybatisflex.core.table.TableInfoFactory; +import org.springframework.beans.factory.annotation.Autowired; + +import java.util.Collection; + +/** + *
可缓存数据的 Service 实现类。 + * + *
该实现类对缓存做了以下处理: + * + *
不支持批量更新操作。
+ */
+ @Override
+ public boolean updateBatch(Collection 获取默认的 {@link QueryWrapper}。
+ *
+ * 使用 {@link QueryWrapper#create()} 构建默认查询条件的时候,
+ * 要使用 {@link QueryWrapper#from(String...)} 方法指定从哪个表
+ * 查询数据,不然使用 {@link QueryWrapper#toDebugSQL()} 生成的
+ * SQL 语句就是 {@code "SELECT * FROM"},没有表名信息。
+ *
+ * 默认通过反射获取表名,建议重写,根据情况设置默认表名,以提升效率。
+ *
+ * 例如:
+ *
+ * {@code
+ * @Override
+ * public QueryWrapper query() {
+ * return QueryWrapper.create().from(ACCOUNT);
+ * }
+ * }
+ *
+ * @return 默认的 {@link QueryWrapper}
+ */
+ @Override
+ public QueryWrapper query() {
+ String tableName = TableInfoFactory.ofMapperClass(getMapper().getClass()).getTableName();
+ return QueryWrapper.create().from(tableName);
+ }
+
+}
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