DataGeneratorInterface.h

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#pragma once
 
#include <memory>
#include <vector>
 
#include "../Fort/fort.hpp"
#include "Column.h"
#include "DataRecord.h"
 
namespace ColumnStore {
class DataGeneratorInterface {
   protected:
    Metadata metadata;
 
   public:
    virtual DataRecord next() = 0;
 
    virtual bool hasNext() = 0;
 
    Metadata getMetadata() const;
 
    virtual std::vector<DataRecord> nextBatch(int batchSize);
 
    void print(int recordCount = -1);
 
    virtual ~DataGeneratorInterface(){};
};
 
typedef std::shared_ptr<DataGeneratorInterface> DataSource;
 
};  // namespace ColumnStore