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#ifndef ABSTRACT_H
#define ABSTRACT_H
class Abstract
{
public:
enum PrintFormat {
Short,
Verbose,
OnlyId,
ClassNameAndId
};
Abstract(int id = -1);
virtual ~Abstract();
int id() { return m_id; }
// factory method
static Abstract* createObject() { return 0; }
virtual void pureVirtual() = 0;
virtual void unpureVirtual();
void callPureVirtual();
void callUnpureVirtual();
void show(PrintFormat format = Verbose);
protected:
virtual const char* className() { return "Abstract"; }
private:
int m_id;
};
#endif // ABSTRACT_H
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