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Lab_solution_10.cpp
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Lab_solution_10.cpp
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#include <iostream>
#include <memory>
using namespace std;
class Config
{
public:
Config()
{
cout << "Config Construct (Default) " <<endl;
}
Config(int port)
{
cout << "Config Construct " << port <<endl;
m_port = port;
}
~Config(){ cout << "Config Destruct " << m_port <<endl; }
private:
int m_port = 0;
};
class Device
{
public:
Device(): ConfigPtr(make_unique<Config>())
{
cout << "Device Construct (Default) " <<endl;
}
Device(string model): ConfigPtr(make_unique<Config>())
{
cout << "Device Construct " << model <<endl;
m_model = model;
}
~Device(){ cout << "Device Destruct " << m_model <<endl; }
std::string getModel() { return m_model; }
int getSystemID() { return m_systemID; }
bool getConnStatus() { return m_isConnected; }
void setModel(std::string const model) { m_model = model; }
void setSystemID(int systemID) { m_systemID = systemID; }
void setConnStatus(bool isConnected) { m_isConnected = isConnected; }
protected:
std::string m_model;
private:
int m_systemID = 0;
bool m_isConnected = false;
unique_ptr<Config> ConfigPtr;
};
unique_ptr<Device> getDevicePtr()
{
return make_unique<Device>();
}
int main()
{
cout << "Begin of main()" << endl;
cout << "devicePtr1 :" << endl;
unique_ptr<Device> devicePtr1(new Device);
cout << "devicePtr2 :" << endl;
unique_ptr<Device> devicePtr2;
devicePtr2.reset(new Device("Device 2"));
cout << "devicePtrTab :" << endl;
unique_ptr<Device[]> devicePtrTab(new Device[4]);
cout << "devicePtr3 :" << endl;
unique_ptr<Device> devicePtr3;
cout << "devicePtr2 =>" << devicePtr2.get() <<
" - devicePtr3 =>" << devicePtr3.get() << endl;
devicePtr3.reset(devicePtr2.release());
cout << "After reset: devicePtr2 =>" << devicePtr2.get() <<
" - devicePtr3 =>" << devicePtr3.get() << endl;
devicePtr2 = move(devicePtr3);
cout << "After move: devicePtr2 =>" << devicePtr2.get() <<
" - devicePtr3 =>" << devicePtr3.get() << endl;
cout << "devicePtr4 :" << endl;
unique_ptr<Device> devicePtr4 = getDevicePtr();
cout << "End of main()" << endl;
return 0;
}