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#pragma once
#include <Functions/JSONPath/Generator/IGenerator_fwd.h>
#include <Functions/JSONPath/Generator/VisitorStatus.h>
#include <Parsers/IAST.h>
namespace DB
{
template <typename JSONParser>
class IGenerator
{
public:
IGenerator() = default;
virtual const char * getName() const = 0;
/**
* Used to yield next non-ignored element describes by JSONPath query.
*
* @param element to be extracted into
* @return true if generator is not exhausted
*/
virtual VisitorStatus getNextItem(typename JSONParser::Element & element) = 0;
virtual ~IGenerator() = default;
};
}
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