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#pragma once
#include <Processors/IProcessor.h>
namespace DB
{
/** Has one input and arbitrary non zero number of outputs.
* All of them have the same structure.
*
* Pulls data input and copies it to every output.
* You may have heard about it under the name 'tee'.
*
* Doesn't do any heavy calculations.
* Preserves an order of data.
*/
class ForkProcessor final : public IProcessor
{
public:
ForkProcessor(const Block & header, size_t num_outputs)
: IProcessor(InputPorts{header}, OutputPorts(num_outputs, header))
{
}
String getName() const override { return "Fork"; }
Status prepare() override;
InputPort & getInputPort() { return inputs.front(); }
};
}
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