| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| #ifndef avro_CustomAttributes_hh__ |
| #define avro_CustomAttributes_hh__ |
| |
| #include <boost/optional.hpp> |
| #include <iostream> |
| #include <map> |
| #include <string> |
| #include "Config.hh" |
| |
| namespace avro { |
| |
| // CustomAttributes class stores avro custom attributes. |
| // Each attribute is represented by a unique name and value. |
| // User is supposed to create CustomAttributes object and then add it to Schema. |
| class AVRO_DECL CustomAttributes { |
| public: |
| // Retrieves the custom attribute json entity for that attributeName, returns an |
| // null if the attribute doesn't exist. |
| boost::optional<std::string> getAttribute(const std::string &name) const; |
| |
| // Adds a custom attribute. If the attribute already exists, throw an exception. |
| void addAttribute(const std::string &name, const std::string &value); |
| |
| // Provides a way to iterate over the custom attributes or check attribute size. |
| const std::map<std::string, std::string> &attributes() const { |
| return attributes_; |
| } |
| |
| // Prints the attribute value for the specific attribute. |
| void printJson(std::ostream& os, const std::string &name) const; |
| |
| private: |
| std::map<std::string, std::string> attributes_; |
| }; |
| |
| } // namespace avro |
| |
| #endif |