Apache Arrow (C++)
A columnar in-memory analytics layer designed to accelerate big data.
kernel.h
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17 
18 #ifndef ARROW_COMPUTE_KERNEL_H
19 #define ARROW_COMPUTE_KERNEL_H
20 
21 #include "arrow/array.h"
22 
23 namespace arrow {
24 namespace compute {
25 
26 class FunctionContext;
27 
30 class ARROW_EXPORT OpKernel {
31  public:
32  virtual ~OpKernel() = default;
33 };
34 
37 class ARROW_EXPORT UnaryKernel : public OpKernel {
38  public:
39  virtual Status Call(FunctionContext* ctx, const Array& input,
40  std::shared_ptr<ArrayData>* out) = 0;
41 };
42 
43 } // namespace compute
44 } // namespace arrow
45 
46 #endif // ARROW_COMPUTE_KERNEL_H
Container for variables and options used by function evaluation.
Definition: context.h:37
Definition: status.h:106
Top-level namespace for Apache Arrow C++ API.
Definition: allocator.h:29
Array base type Immutable data array with some logical type and some length.
Definition: array.h:180
An array-valued function of a single input argument.
Definition: kernel.h:37
Base class for operator kernels.
Definition: kernel.h:30