// 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. #pragma once #include #include "arrow/json/options.h" #include "arrow/result.h" #include "arrow/status.h" #include "arrow/util/macros.h" #include "arrow/util/visibility.h" namespace arrow { class Buffer; class MemoryPool; class Table; class RecordBatch; class Array; class DataType; namespace io { class InputStream; } // namespace io namespace json { /// A class that reads an entire JSON file into a Arrow Table /// /// The file is expected to consist of individual line-separated JSON objects class ARROW_EXPORT TableReader { public: virtual ~TableReader() = default; /// Read the entire JSON file and convert it to a Arrow Table virtual Result> Read() = 0; ARROW_DEPRECATED("Use Result-returning version") Status Read(std::shared_ptr* out); /// Create a TableReader instance static Result> Make(MemoryPool* pool, std::shared_ptr input, const ReadOptions&, const ParseOptions&); ARROW_DEPRECATED("Use Result-returning version") static Status Make(MemoryPool* pool, std::shared_ptr input, const ReadOptions&, const ParseOptions&, std::shared_ptr* out); }; ARROW_EXPORT Result> ParseOne(ParseOptions options, std::shared_ptr json); } // namespace json } // namespace arrow