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// file : common/inheritance/polymorphism/test5.hxx
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef TEST5_HXX
#define TEST5_HXX
#include <string>
#include <vector>
#include <memory>
#include <typeinfo>
#include <odb/core.hxx>
// Test polymorphism and optimistic concurrency.
//
#pragma db namespace table("t5_")
namespace test5
{
#pragma db object polymorphic optimistic pointer(std::unique_ptr)
struct root
{
virtual ~root () {}
root () {}
root (unsigned long i, unsigned long n): id (i), num (n) {}
#pragma db id
unsigned long id;
#pragma db version
unsigned long version;
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 && version == r.version &&
num == r.num && strs == r.strs;
}
};
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
struct derived: base
{
derived () {}
derived (unsigned long i, unsigned long n, const std::string& s)
: base (i, n, s), dnum (n + 1), dstr (s + 'd') {}
unsigned long dnum;
std::string dstr;
virtual bool
compare (const root& r, bool tc = true) const
{
if (tc && typeid (r) != typeid (derived))
return false;
const derived& d (static_cast<const derived&> (r));
return base::compare (r, false) && dnum == d.dnum && dstr == d.dstr;
}
};
}
#endif // TEST5_HXX
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