| /** |
| * 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 SCHEMA_UTILS_HPP_ |
| #define SCHEMA_UTILS_HPP_ |
| |
| #include "SharedBuffer.h" |
| |
| namespace pulsar { |
| |
| static constexpr uint32_t INVALID_SIZE = 0xFFFFFFFF; |
| static const std::string KEY_SCHEMA_NAME = "key.schema.name"; |
| static const std::string KEY_SCHEMA_TYPE = "key.schema.type"; |
| static const std::string KEY_SCHEMA_PROPS = "key.schema.properties"; |
| static const std::string VALUE_SCHEMA_NAME = "value.schema.name"; |
| static const std::string VALUE_SCHEMA_TYPE = "value.schema.type"; |
| static const std::string VALUE_SCHEMA_PROPS = "value.schema.properties"; |
| static const std::string KV_ENCODING_TYPE = "kv.encoding.type"; |
| |
| /** |
| * Merge keySchemaData and valueSchemaData. |
| * @return |
| */ |
| static std::string mergeKeyValueSchema(const std::string& keySchemaData, const std::string& valueSchemaData) { |
| uint32_t keySize = keySchemaData.size(); |
| uint32_t valueSize = valueSchemaData.size(); |
| |
| auto buffSize = sizeof keySize + keySize + sizeof valueSize + valueSize; |
| SharedBuffer buffer = SharedBuffer::allocate(buffSize); |
| buffer.writeUnsignedInt(keySize == 0 ? INVALID_SIZE : static_cast<uint32_t>(keySize)); |
| buffer.write(keySchemaData.c_str(), static_cast<uint32_t>(keySize)); |
| buffer.writeUnsignedInt(valueSize == 0 ? INVALID_SIZE : static_cast<uint32_t>(valueSize)); |
| buffer.write(valueSchemaData.c_str(), static_cast<uint32_t>(valueSize)); |
| |
| return std::string(buffer.data(), buffSize); |
| } |
| |
| } // namespace pulsar |
| |
| #endif /* SCHEMA_UTILS_HPP_ */ |