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2026-07-12 14:22:00 +04:00
commit 49ecd4784c
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#ifndef CREATOR_ALGHORITHM_DOUBLE_HASHING_H
#define CREATOR_ALGHORITHM_DOUBLE_HASHING_H
#include "doubleHashing.h"
#include "creatorFamily.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(DoubleHashing)
class Creator : public Family::Creator
{
private:
size_t m_firstHashFunction;
size_t m_secondHashFunction;
public:
Creator(size_t first, size_t second) : m_firstHashFunction(first), m_secondHashFunction(second)
{
}
public:
virtual std::unique_ptr<Abstract::Product> create() const override {
return std::unique_ptr<Abstract::Product>(new Product(m_firstHashFunction, m_secondHashFunction));
}
};
END_NAMESPACE // DoubleHashing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_DOUBLE_HASHING_H
@@ -0,0 +1,24 @@
#ifndef CREATOR_ALGHORITHM_FAMILY_H
#define CREATOR_ALGHORITHM_FAMILY_H
#include "../creatorAbstract.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(Family)
class Creator : public Abstract::Creator
{
protected:
Creator()
{
}
};
END_NAMESPACE // Family
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_FAMILY_H
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#ifndef CREATOR_ALGHORITHM_PSEUDORANDOM_PROBING_H
#define CREATOR_ALGHORITHM_PSEUDORANDOM_PROBING_H
#include "pseudorandomProbing.h"
#include "creatorFamily.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(PseudorandomProbing)
class Creator : public Family::Creator
{
private:
size_t m_hashFunctionNumber;
public:
Creator(size_t number) : m_hashFunctionNumber(number)
{
}
public:
virtual std::unique_ptr<Abstract::Product> create() const override {
return std::unique_ptr<Abstract::Product>(new Product(m_hashFunctionNumber));
}
};
END_NAMESPACE // PseudorandomProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_PSEUDORANDOM_PROBING_H
@@ -0,0 +1,41 @@
#ifndef ALGHORITHM_DOUBLE_HASHING_H
#define ALGHORITHM_DOUBLE_HASHING_H
#include "family.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(DoubleHashing)
class Product final : public Family::Product
{
private:
size_t m_firstHashFunction;
size_t m_secondHashFunction;
size_t m_multiplier;
private:
friend Creator;
Product(size_t first, size_t second) : m_firstHashFunction(first), m_secondHashFunction(second)
{
if (first == second) {
throw std::invalid_argument("hash functions must be different");
}
}
protected:
virtual size_t getFirstCoefficient() override {
m_multiplier = m_hashFunction->getHash(m_convertValue, m_firstHashFunction);
return m_hashFunction->getHash(m_convertValue, m_firstHashFunction);
}
virtual size_t getSecondCoefficient(size_t counter) override {
return counter * m_multiplier;
}
};
END_NAMESPACE // DoubleHashing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_DOUBLE_HASHING_H
@@ -0,0 +1,36 @@
#ifndef ALGHORITHM_FAMILY_H
#define ALGHORITHM_FAMILY_H
#include "../../Function/Family/family.h"
#include "../abstract.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(Family)
class Product : public Abstract::Product
{
public:
using function_type = Function::Family::Product;
protected:
const function_type *m_hashFunction;
protected:
Product() : m_hashFunction(nullptr)
{
}
public:
void setHashFunction(const function_type &hashFunction) {
m_hashFunction = &hashFunction;
}
};
END_NAMESPACE // Family
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_FAMILY_H
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#ifndef ALGHORITHM_PSEUDORANDOM_PROBING_H
#define ALGHORITHM_PSEUDORANDOM_PROBING_H
#include "family.h"
#include <random>
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(PseudorandomProbing)
class Product final : public Family::Product
{
private:
size_t m_hashFunctionNumber;
size_t m_multiplier;
private:
friend Creator;
Product(size_t number) : m_hashFunctionNumber(number)
{
}
protected:
// virtual bool isValidInput() const override {
// return isPrimeNumber(size());
// }
virtual size_t getFirstCoefficient() override {
m_multiplier = m_hashFunction->getHash(m_convertValue, m_hashFunctionNumber);
srand(m_multiplier);
return m_hashFunction->getHash(m_convertValue, m_hashFunctionNumber);
}
virtual size_t getSecondCoefficient(size_t counter) override {
return counter * rand();
}
};
END_NAMESPACE // PseudorandomProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_PSEUDORANDOM_PROBING_H
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#ifndef CREATOR_ALGHORITHM_LINEAR_PROBING_H
#define CREATOR_ALGHORITHM_LINEAR_PROBING_H
#include "linearProbing.h"
#include "creatorOne.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(LinearProbing)
class Creator : public One::Creator
{
private:
/* A number that is not mutually prime to the size will not apply */
const size_t m_coefficient;
public:
Creator(size_t coefficient = 1) : m_coefficient(coefficient)
{
}
public:
virtual std::unique_ptr<Abstract::Product> create() const override {
return std::unique_ptr<Abstract::Product>(new Product(m_coefficient));
}
};
END_NAMESPACE // LinearProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_LINEAR_PROBING_H
@@ -0,0 +1,24 @@
#ifndef CREATOR_ALGHORITHM_ONE_H
#define CREATOR_ALGHORITHM_ONE_H
#include "../creatorAbstract.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(One)
class Creator : public Abstract::Creator
{
protected:
Creator()
{
}
};
END_NAMESPACE // One
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_ONE_H
@@ -0,0 +1,30 @@
#ifndef CREATOR_ALGHORITHM_QUADRATIC_PROBING_H
#define CREATOR_ALGHORITHM_QUADRATIC_PROBING_H
#include "quadraticProbing.h"
#include "creatorOne.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(QuadraticProbing)
class Creator : public One::Creator
{
public:
Creator()
{
}
public:
virtual std::unique_ptr<Abstract::Product> create() const override {
return std::unique_ptr<Abstract::Product>(new Product());
}
};
END_NAMESPACE // LinearProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_QUADRATIC_PROBING_H
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#ifndef ALGHORITHM_LINEAR_PROBING_H
#define ALGHORITHM_LINEAR_PROBING_H
#include "one.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(LinearProbing)
class Product final : public One::Product
{
private:
/* A number that is not mutually prime to the size will not apply */
const size_t m_coefficient;
private:
friend Creator;
Product(size_t coefficient)
: m_coefficient(coefficient == 0 ? 1 : coefficient)
{
}
protected:
// virtual bool isValidInput() const override {
// return gcd(m_coefficient, size()) == 1;
// }
virtual size_t getFirstCoefficient() override {
return m_hashFunction->getHash(m_convertValue);
}
virtual size_t getSecondCoefficient(size_t counter) override {
return counter * m_coefficient;
}
};
END_NAMESPACE // LinearProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_LINEAR_PROBING_H
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#ifndef ALGHORITHM_ONE_H
#define ALGHORITHM_ONE_H
#include "../../Function/One/one.h"
#include "../abstract.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(One)
class Product : public Abstract::Product
{
public:
using function_type = Function::One::Product;
protected:
const function_type *m_hashFunction;
protected:
Product() : m_hashFunction(nullptr)
{
}
public:
void setHashFunction(const function_type &hashFunction) {
m_hashFunction = &hashFunction;
}
};
END_NAMESPACE // One
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_ONE_H
@@ -0,0 +1,36 @@
#ifndef ALGHORITHM_QUADRATIC_PROBING_H
#define ALGHORITHM_QUADRATIC_PROBING_H
#include "one.h"
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(QuadraticProbing)
class Product final : public One::Product
{
private:
friend Creator;
Product()
{
}
protected:
// virtual bool isValidInput() const override {
// return isPrimeNumber(size());
// }
virtual size_t getFirstCoefficient() override {
return m_hashFunction->getHash(m_convertValue);
}
virtual size_t getSecondCoefficient(size_t counter) override {
return std::pow(size(), counter);
}
};
END_NAMESPACE // LinearProbing
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_QUADRATIC_PROBING_H
@@ -0,0 +1,101 @@
#ifndef ALGHORITHM_ABSTRACT_H
#define ALGHORITHM_ABSTRACT_H
#include "../../Convert/convert.h"
#include <vector>
#include <cmath>
#include <stdexcept>
#include <memory>
#include <array>
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(Abstract)
class Product
{
public:
using value_type = std::array<char, 5>;
private:
const std::vector<value_type> *m_table;
BusinessLogic::Convert::FromStdString m_toInteger;
protected:
size_t m_convertValue;
protected:
Product() : m_table(nullptr)
{
}
protected:
size_t gcd(size_t first, size_t second) const {
while (first > 0 && second > 0) {
first > second
? first %= second
: second %= first;
}
return first + second;
}
bool isPrimeNumber(size_t value) const {
size_t size = static_cast<size_t>(sqrt(value));
for (size_t i = 2; i <= size; i++) {
if (value % i == 0) {
return false;
}
}
return true;
}
size_t size() const {
return m_table->size();
}
protected:
virtual bool isValidInput() const {
return true;
}
virtual size_t getFirstCoefficient() = 0;
virtual size_t getSecondCoefficient(size_t counter) = 0;
public:
void setTable(decltype(m_table) table) {
m_table = table;
}
size_t getIndex(const value_type &value, size_t& numberOfCollisions, size_t alphabetPower) {
if (not isValidInput()) {
throw std::invalid_argument("the condition for using the algorithm is not met");
}
size_t size = m_table->size();
m_convertValue = m_toInteger(value, alphabetPower);
// It is necessary to use some coefficient
numberOfCollisions = 0;
decltype (m_table->cbegin()) currentIterator;
constexpr std::array<char, 5> nullValue = {'\0', '\0', '\0', '\0', '\0'};
while (numberOfCollisions <= size) {
currentIterator = {
m_table->cbegin()
+ ( getFirstCoefficient() + getSecondCoefficient(numberOfCollisions) ) % size
};
if ( *currentIterator == nullValue || *currentIterator == value ) { // Free cell or value match
return ( currentIterator - m_table->cbegin() );
}
++numberOfCollisions;
}
return std::numeric_limits<size_t>::max();
}
};
END_NAMESPACE // Abstract
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !ALGHORITHM_ABSTRACT_H
@@ -0,0 +1,29 @@
#ifndef CREATOR_ALGHORITHM_ABSTRACT_H
#define CREATOR_ALGHORITHM_ABSTRACT_H
#include "../../../BusinessLogic/businessLogic.h"
#include <memory>
BEGIN_NAMESPACE(BusinessLogic)
BEGIN_NAMESPACE(Hash)
BEGIN_NAMESPACE(Algorithm)
BEGIN_NAMESPACE(Abstract)
class Creator
{
protected:
Creator()
{
}
public:
virtual std::unique_ptr<Product> create() const = 0;
};
END_NAMESPACE // Abstract
END_NAMESPACE // Algorithm
END_NAMESPACE // Hash
END_NAMESPACE // BusinessLogic
#endif // !CREATOR_ALGHORITHM_ABSTRACT_H