2018-05-23 20:19:33 +00:00
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#pragma once
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#include <Processors/IProcessor.h>
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namespace DB
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{
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class ISource : public IProcessor
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{
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protected:
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OutputPort & output;
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2019-02-07 18:51:53 +00:00
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bool has_input = false;
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2018-05-23 20:19:33 +00:00
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bool finished = false;
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2019-04-30 09:45:13 +00:00
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bool got_exception = false;
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2019-04-29 18:43:50 +00:00
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Port::Data current_chunk;
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2018-05-23 20:19:33 +00:00
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2019-02-18 16:36:07 +00:00
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virtual Chunk generate() = 0;
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2018-05-23 20:19:33 +00:00
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public:
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ISource(Block header);
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Status prepare() override;
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void work() override;
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OutputPort & getPort() { return output; }
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2019-02-19 18:41:18 +00:00
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const OutputPort & getPort() const { return output; }
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2018-05-23 20:19:33 +00:00
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};
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2019-10-20 09:12:42 +00:00
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using SourcePtr = std::shared_ptr<ISource>;
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2018-05-23 20:19:33 +00:00
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}
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