EntityCompressedVector.h

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#pragma once
#pragma warning(disable : 4251)
 
#include "EntityBase.h"
#include "OldTreeIcon.h"
 
#include <list>
#include <vector>
 
class __declspec(dllexport) EntityCompressedVector : public EntityBase
{
public:
    EntityCompressedVector(ot::UID ID, EntityBase *parent, EntityObserver *obs, ModelState *ms, ClassFactoryHandler* factory, const std::string &owner);
    virtual ~EntityCompressedVector();
 
    virtual bool getEntityBox(double &xmin, double &xmax, double &ymin, double &ymax, double &zmin, double &zmax) override;
 
    virtual void StoreToDataBase(void) override;
 
    virtual std::string getClassName(void) { return "EntityCompressedVector"; };
 
    virtual entityType getEntityType(void) override { return DATA; };
    virtual void removeChild(EntityBase *child) override;
 
    void setTolerance(double tol);
    double getTolerance(void);
    
    void setConstantValue(double value, long long dimension);
 
    void setValues(const std::vector<double> &values);
    void getValues(std::vector<double> &values);
 
    void setValues(const double *values, size_t length);
    void getValues(double *values, size_t length);
 
    long long getUncompressedLength(void) { return uncompressedLength; }
 
    void clearData(void);
 
    bool multiply(std::vector<double> &values);
    bool add(std::vector<double> &values);
 
protected:
    virtual int getSchemaVersion(void) { return 1; };
    virtual void AddStorageData(bsoncxx::builder::basic::document &storage);
    virtual void readSpecificDataFromDataBase(bsoncxx::document::view &doc_view, std::map<ot::UID, EntityBase *> &entityMap) override;
 
private:
    void compressData(const double *values, size_t length, bool storeData, long long &compressedDataValuesSize, long long &compressedDataCountSize);
 
    const size_t            maximumDataSize;
    double                  tolerance;
    long long               uncompressedLength;
    std::vector<double>     compressedDataValues;
    std::vector<long long>  compressedDataCount;
    long long               valuesSize;
    long long               countSize;
};