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Resource.h
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Resource.h
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#pragma once
#include <cstring>
#include <ostream>
#include "ContainerWrapper.h"
/************************************************************/
class Resource
{
public:
friend std::ostream& operator<<(std::ostream& out, const Resource& res);
Resource(int id, const std::string& name);
int getId() const { return _id; }
const char* getName() const { return _name; }
protected:
int _id;
char _name[50];
};
inline Resource::Resource(int id, const std::string& name)
: _id(id)
{
std::strcpy(_name, name.c_str());
}
inline std::ostream&
operator<<(std::ostream& out, const Resource& res)
{
return out << "{" << res._id << ", " << res._name << "}";
}
/************************************************************/
class Teacher : public Resource
{
public:
Teacher(const std::string& name);
private:
static int _nextId;
};
inline Teacher::Teacher(const std::string& name)
: Resource(_nextId++, name)
{
}
/************************************************************/
class Class : public Resource
{
public:
Class(const std::string& name);
private:
static int _nextId;
};
inline Class::Class(const std::string& name)
: Resource(_nextId++, name)
{
}
/************************************************************/
class Room : public Resource
{
public:
Room(const std::string& name);
private:
static int _nextId;
};
inline Room::Room(const std::string& name)
: Resource(_nextId++, name)
{
}
/************************************************************/
class Subject : public Resource
{
public:
friend std::ostream& operator<<(std::ostream& out, const Subject& sub);
Subject(const std::string& name,
const Teacher* teacher,
const Room* room);
const Teacher* getTeacher() const { return _teacher; }
const Room* getRoom() const { return _room; }
private:
const Teacher* _teacher;
const Room* _room;
static int _nextId;
};
inline Subject::Subject(const std::string& name,
const Teacher* teacher,
const Room* room)
: Resource(_nextId++, name)
, _teacher(teacher)
, _room(room)
{
}
inline std::ostream&
operator<<(std::ostream& out, const Subject& sub)
{
return out << "[" << sub.getId() << ", " << sub.getName() << ", "
<< *(sub.getTeacher()) << ", " << *(sub.getRoom()) << "]";
}
/************************************************************/
class DataTuple : public Resource
{
public:
friend std::ostream& operator<<(std::ostream& out,
const DataTuple& tuple);
DataTuple(const Class* classObj, const Subject* subject);
const Class* getClass() const { return _class; }
const Subject* getSubject() const { return _subject; }
private:
const Class* _class;
const Subject* _subject;
static int _nextId;
};
inline DataTuple::DataTuple(const Class* classObj, const Subject* subject)
: Resource(_nextId++, "")
, _class(classObj)
, _subject(subject)
{
}
inline std::ostream&
operator<<(std::ostream& out, const DataTuple& tuple)
{
return out << "<" << tuple.getId() << ", " << *tuple.getClass() << ", "
<< *tuple.getSubject() << ">";
}
typedef ContainerWrapper<Resource> Resources;
typedef ContainerWrapper<Teacher> Teachers;
typedef ContainerWrapper<Class> Classes;
typedef ContainerWrapper<Room> Rooms;
typedef ContainerWrapper<Subject> Subjects;