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// file : odb/mssql/auto-handle.hxx
// license : ODB NCUEL; see accompanying LICENSE file
#ifndef ODB_MSSQL_AUTO_HANDLE_HXX
#define ODB_MSSQL_AUTO_HANDLE_HXX
#include <odb/pre.hxx>
#include <odb/details/config.hxx> // ODB_CXX11
#include <odb/mssql/mssql-fwd.hxx>
#include <odb/mssql/version.hxx>
#include <odb/mssql/details/export.hxx>
namespace odb
{
namespace mssql
{
LIBODB_MSSQL_EXPORT void
free_handle (SQLHANDLE, SQLSMALLINT htype);
template <SQLSMALLINT htype>
class auto_handle
{
public:
auto_handle (SQLHANDLE h = 0)
: h_ (h)
{
}
~auto_handle ()
{
if (h_ != 0)
free_handle (h_, htype);
}
operator SQLHANDLE () const
{
return h_;
}
SQLHANDLE
get () const
{
return h_;
}
SQLHANDLE
release ()
{
SQLHANDLE h (h_);
h_ = 0;
return h;
}
void
reset (SQLHANDLE h = 0)
{
if (h_ != 0)
free_handle (h_, htype);
h_ = h;
}
#ifdef ODB_CXX11
auto_handle (auto_handle&& ah) noexcept: h_ (ah.release ()) {}
auto_handle& operator= (auto_handle&& ah) noexcept
{
if (this != &ah)
reset (ah.release ());
return *this;
}
#endif
private:
auto_handle (const auto_handle&);
auto_handle& operator= (const auto_handle&);
private:
SQLHANDLE h_;
};
}
}
#include <odb/post.hxx>
#endif // ODB_MSSQL_AUTO_HANDLE_HXX
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