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65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <memory>
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#include "arrow/json/options.h"
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#include "arrow/result.h"
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#include "arrow/status.h"
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#include "arrow/util/macros.h"
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#include "arrow/util/visibility.h"
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namespace arrow {
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class Buffer;
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class MemoryPool;
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class Table;
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class RecordBatch;
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class Array;
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class DataType;
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namespace io {
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class InputStream;
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} // namespace io
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namespace json {
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/// A class that reads an entire JSON file into a Arrow Table
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///
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/// The file is expected to consist of individual line-separated JSON objects
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class ARROW_EXPORT TableReader {
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public:
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virtual ~TableReader() = default;
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/// Read the entire JSON file and convert it to a Arrow Table
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virtual Result<std::shared_ptr<Table>> Read() = 0;
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/// Create a TableReader instance
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static Result<std::shared_ptr<TableReader>> Make(MemoryPool* pool,
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std::shared_ptr<io::InputStream> input,
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const ReadOptions&,
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const ParseOptions&);
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};
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ARROW_EXPORT Result<std::shared_ptr<RecordBatch>> ParseOne(ParseOptions options,
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std::shared_ptr<Buffer> json);
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} // namespace json
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} // namespace arrow
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