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84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
#include <Processors/Executors/SequentialPipelineExecutor.h>
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#include <Processors/Executors/traverse.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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//SequentialPipelineExecutor::SequentialPipelineExecutor(const Processors & processors)
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// : processors(processors)
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//{
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//}
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//
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//
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//SequentialPipelineExecutor::Status SequentialPipelineExecutor::prepare()
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//{
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// current_processor = nullptr;
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//
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// bool has_someone_to_wait = false;
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// Status found_status = Status::Finished;
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//
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// for (auto & element : processors)
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// {
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// traverse(*element,
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// [&] (IProcessor & processor)
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// {
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// Status status = processor.prepare();
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//
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// if (status == Status::Wait)
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// has_someone_to_wait = true;
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//
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// if (status == Status::Ready || status == Status::Async)
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// {
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// current_processor = &processor;
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// found_status = status;
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// }
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//
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// return status;
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// });
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//
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// if (current_processor)
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// break;
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// }
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//
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// if (current_processor)
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// return found_status;
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// if (has_someone_to_wait)
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// return Status::Wait;
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//
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// for (auto & element : processors)
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// {
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// if (element->prepare() == Status::NeedData)
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// throw Exception("Pipeline stuck: " + element->getName() + " processor needs input data but no one is going to generate it", ErrorCodes::LOGICAL_ERROR);
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// if (element->prepare() == Status::PortFull)
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// throw Exception("Pipeline stuck: " + element->getName() + " processor has data in output port but no one is going to consume it", ErrorCodes::LOGICAL_ERROR);
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// }
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//
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// return Status::Finished;
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//}
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//
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//
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//void SequentialPipelineExecutor::work()
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//{
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// if (!current_processor)
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// throw Exception("Bad pipeline", ErrorCodes::LOGICAL_ERROR);
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//
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// current_processor->work();
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//}
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//
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//
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//void SequentialPipelineExecutor::schedule(EventCounter & watch)
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//{
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// if (!current_processor)
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// throw Exception("Bad pipeline", ErrorCodes::LOGICAL_ERROR);
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//
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// current_processor->schedule(watch);
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//}
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}
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