|| || || || || ||

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VirtualFeatureTableMemory.h

Go to the documentation of this file.

#ifndef Impala_Core_Feature_VirtualFeatureTableMemory_h
#define Impala_Core_Feature_VirtualFeatureTableMemory_h

#include "Core/Feature/VirtualFeatureTable.h"
#include "Core/Feature/FeatureTable.h"

namespace Impala
{
namespace Core
{
namespace Feature
{


class VirtualFeatureTableMemory : public VirtualFeatureTable
{
public:

    VirtualFeatureTableMemory(FeatureTable* features)
    {
        mFeatures = features;
    }

    virtual
    ~VirtualFeatureTableMemory()
    {
        delete mFeatures;
        mFeatures = 0;
    }

    virtual int
    Size() const
    {
        return mFeatures->Size();
    }

    virtual void
    GetQuids(Table::QuidTable* quids)
    {
        Copy(quids->GetColumn1(), mFeatures->GetColumn1(), Size(), 0, 0);
        quids->SetSize(Size());
    }

    virtual int
    GetVectorLength() const
    {
        return mFeatures->GetFeatureVectorLength();
    }

private:

    virtual int
    GetVectorImpl(int rowNr, Real64* buffer, int bufferSize)
    {
        Real64* ptr = mFeatures->GetColumn2()->GetVectorData(rowNr);
        int len = GetVectorLength();
        for (int i=0 ; i<len ; i++)
            buffer[i] = ptr[i];
        return len;
    }

    FeatureTable* mFeatures;

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(VirtualFeatureTableMemory, Impala.Core.Feature);

} // namespace Feature
} // namespace Core
} // namespace Impala

#endif

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