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// file : common/inheritance/polymorphism/test8.hxx
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef TEST8_HXX
#define TEST8_HXX
#include <string>
#include <vector>
#include <typeinfo>
#include <odb/core.hxx>
// Test polymorphism and abstract bases.
//
#pragma db namespace table("t8_")
namespace test8
{
#pragma db object polymorphic
struct root
{
virtual ~root () = 0; // Auto-abstract.
root () {}
root (unsigned long i, unsigned long n): id (i), num (n) {}
#pragma db id
unsigned long id;
unsigned long num;
std::vector<std::string> strs;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (root))
return false;
return id == r.id && num == r.num && strs == r.strs;
}
};
inline root::
~root () {}
inline bool
operator== (const root& x, const root& y) {return x.compare (y);}
#pragma db object
struct base: root
{
base () {}
base (unsigned long i, unsigned long n, const std::string& s)
: root (i, n), str (s) {}
std::string str;
std::vector<unsigned long> nums;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (base))
return false;
const base& b (static_cast<const base&> (r));
return root::compare (r, false) && str == b.str && nums == b.nums;
}
};
#pragma db object abstract
struct interm: base
{
interm () {}
interm (unsigned long i, unsigned long n, const std::string& s, bool b)
: base (i, n, s), bln (b) {}
bool bln;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (interm))
return false;
const interm& i (static_cast<const interm&> (r));
return base::compare (r, false) && bln == i.bln;
}
};
#pragma db object
struct derived1: interm
{
derived1 () {}
derived1 (unsigned long i, unsigned long n, const std::string& s, bool b)
: interm (i, n, s, b), dnum (n + 1) {}
unsigned long dnum;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (derived1))
return false;
const derived1& d (static_cast<const derived1&> (r));
return interm::compare (r, false) && dnum == d.dnum;
}
};
#pragma db object
struct derived2: interm
{
derived2 () {}
derived2 (unsigned long i, unsigned long n, const std::string& s, bool b)
: interm (i, n, s, b), dstr (s + 'd') {}
std::string dstr;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (derived2))
return false;
const derived2& d (static_cast<const derived2&> (r));
return interm::compare (r, false) && dstr == d.dstr;
}
};
}
#endif // TEST8_HXX
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