// Copyright 2023 PingCAP, Inc. // // 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. #pragma once namespace DB { /** Base class for Configuration component that keep track of a set of files * * If the set of files are changed, the ConfigReloader will call reloadIfNewer * to reload all the config. */ class ConfigObject { public: virtual bool fileUpdated() = 0; virtual ~ConfigObject() = default; }; } // namespace DB