229 lines
6.3 KiB
C++
229 lines
6.3 KiB
C++
#ifndef OBELISK_MODELS_FACT_H
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#define OBELISK_MODELS_FACT_H
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#include "models/entity.h"
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#include "models/fact.h"
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#include "models/verb.h"
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#include <string>
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namespace obelisk
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{
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/**
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* @brief The Fact model represents truth in the releationship between two
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* entities separated by a verb.
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*
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*/
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class Fact
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{
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private:
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/**
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* @brief The ID of the Fact in the KnowledgeBase.
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*
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*/
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int id_;
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/**
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* @brief The Entity from the left side of the expression.
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*
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*/
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obelisk::Entity leftEntity_;
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/**
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* @brief The Entity from the right side of the expression.
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*
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*/
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obelisk::Entity rightEntity_;
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/**
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* @brief The Verb that represents the relationship in the
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* expression.
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*
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*/
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obelisk::Verb verb_;
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/**
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* @brief Whether or not the fact is considered true or not.
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*
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*/
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bool isTrue_;
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public:
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/**
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* @brief Construct a new Fact object.
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*
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*/
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Fact() :
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id_(0),
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leftEntity_(),
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rightEntity_(),
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verb_(),
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isTrue_(0)
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{
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}
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/**
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* @brief Construct a new Fact object.
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*
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* @param[in] id The ID of the Fact in the KnowledgeBase.
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*/
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Fact(int id) :
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id_(id),
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leftEntity_(),
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rightEntity_(),
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verb_(),
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isTrue_(0)
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{
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}
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/**
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* @brief Construct a new Fact object.
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*
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* @param[in] leftEntity The Entity on the left side of the
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* expression.
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* @param[in] rightEntity The Entity on the right side of the
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* expression.
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* @param[in] verb The Verb separating the entities.
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* @param[in] isTrue Whether or not the fact is true.
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*/
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Fact(obelisk::Entity leftEntity,
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obelisk::Entity rightEntity,
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obelisk::Verb verb,
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bool isTrue = false) :
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id_(0),
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leftEntity_(leftEntity),
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rightEntity_(rightEntity),
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verb_(verb),
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isTrue_(isTrue)
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{
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}
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/**
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* @brief Construct a new Fact object.
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*
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* @param[in] id The ID of the Fact in the KnowledgeBase.
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* @param[in] leftEntity The Entity on the left side of the
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* expression.
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* @param[in] rightEntity The Entity on the right side of the
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* expression.
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* @param[in] verb The Verb separating the entities.
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* @param[in] isTrue Whether or not the fact is true.
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*/
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Fact(int id,
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obelisk::Entity leftEntity,
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obelisk::Entity rightEntity,
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obelisk::Verb verb,
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bool isTrue = false) :
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id_(id),
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leftEntity_(leftEntity),
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rightEntity_(rightEntity),
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verb_(verb),
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isTrue_(isTrue)
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{
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}
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/**
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* @brief Create the Fact table in the KnowledgeBase.
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*
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* @return const char* Returns the query used to create the table.
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*/
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static const char* createTable();
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/**
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* @brief Get the ID of the Fact
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*
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* @return int& Returns the ID.
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*/
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int& getId();
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/**
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* @brief Set the ID of the Fact.
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*
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* @param[in] id Set the ID of the Fact.
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*/
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void setId(int id);
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/**
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* @brief Get the left Entity object.
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*
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* @return Entity& The left Entity.
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*/
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Entity& getLeftEntity();
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/**
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* @brief Set the left Entity object.
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*
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* @param[in] leftEntity The left Entity to set.
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*/
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void setLeftEntity(obelisk::Entity leftEntity);
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/**
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* @brief Get the right Entity object.
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*
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* @return Entity& The right Entity.
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*/
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Entity& getRightEntity();
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/**
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* @brief Set the right Entity object.
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*
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* @param[in] rightEntity The right Entity to set.
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*/
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void setRightEntity(obelisk::Entity rightEntity);
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/**
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* @brief Get the Verb object.
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*
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* @return Verb& The Verb.
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*/
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Verb& getVerb();
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/**
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* @brief Set the Verb object.
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*
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* @param[in] verb The Verb.
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*/
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void setVerb(obelisk::Verb verb);
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/**
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* @brief Gets the isTrue value.
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*
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* @return true If the Fact is considered true.
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* @return false If the Fact is considered false.
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*/
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bool& getIsTrue();
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/**
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* @brief Set the Fact as true or false.
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*
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* @param[in] isTrue Whether or not the Fact is true.
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*/
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void setIsTrue(bool isTrue);
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/**
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* @brief Select the Fact from the KnowledgeBase by IDs of the
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* sub-objects.
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*
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* @param[in] dbConnection The database connection to use.
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*/
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void selectById(sqlite3* dbConnection);
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/**
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* @brief Insert the Fact into the KnowledgeBase.
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*
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* @param[in] dbConnection The database connection to use.
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*/
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void insert(sqlite3* dbConnection);
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/**
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* @brief Update whether or not the fact is true in the
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* KnowledgeBase.
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*
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* @param[in] dbConnection The database connection.
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*/
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void updateIsTrue(sqlite3* dbConnection);
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};
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} // namespace obelisk
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#endif
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