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28 lines
711 B
C++
28 lines
711 B
C++
#include <Processors/Port.h>
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#include <Processors/IProcessor.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int LOGICAL_ERROR;
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}
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void connect(OutputPort & output, InputPort & input)
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{
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if (input.state || output.state)
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throw Exception("Port is already connected", ErrorCodes::LOGICAL_ERROR);
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auto out_name = output.getProcessor().getName();
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auto in_name = input.getProcessor().getName();
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assertBlocksHaveEqualStructure(input.getHeader(), output.getHeader(), " function connect between " + out_name + " and " + in_name);
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input.output_port = &output;
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output.input_port = &input;
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input.state = std::make_shared<Port::State>();
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output.state = input.state;
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}
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}
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