/usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/io
Edit: /usr/local/lib64/python3.6/site-packages/pyarrow/include/arrow/io/transform.h (1922B)
// 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.
// Slow stream implementations, mainly for testing and benchmarking
#pragma once
#include
#include
#include
#include
#include "arrow/io/interfaces.h"
#include "arrow/util/visibility.h"
namespace arrow {
namespace io {
class ARROW_EXPORT TransformInputStream : public InputStream {
public:
using TransformFunc =
std::function>(const std::shared_ptr&)>;
TransformInputStream(std::shared_ptr wrapped, TransformFunc transform);
~TransformInputStream() override;
Status Close() override;
Status Abort() override;
bool closed() const override;
Result Read(int64_t nbytes, void* out) override;
Result> Read(int64_t nbytes) override;
Result> ReadMetadata() override;
Future> ReadMetadataAsync(
const IOContext& io_context) override;
Result Tell() const override;
protected:
struct Impl;
std::unique_ptr impl_;
};
} // namespace io
} // namespace arrow