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// file : odb/polymorphic-map.txx
// copyright : Copyright (c) 2005-2013 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <odb/exceptions.hxx> // no_type_info
namespace odb
{
//
// polymorphic_map
//
template <typename R>
const typename polymorphic_map<R>::info_type& polymorphic_map<R>::
find (const std::type_info& t) const
{
typename type_map::const_iterator i (type_map_.find (&t));
if (i != type_map_.end ())
return *i->second;
else
throw no_type_info ();
}
template <typename R>
const typename polymorphic_map<R>::info_type& polymorphic_map<R>::
find (const discriminator_type& d) const
{
typename discriminator_map::const_iterator i (
discriminator_map_.find (&d));
if (i != discriminator_map_.end ())
return *i->second;
else
throw no_type_info ();
}
//
// polymorphic_entry_impl
//
template <typename R, database_id DB>
void polymorphic_entry_impl<R, DB>::
insert (const info_type& i)
{
// VC10 cannot grok constructor call syntax here.
//
polymorphic_map<root_type>*& pm = root_traits::map;
if (pm == 0)
pm = new polymorphic_map<root_type>;
else
pm->ref_count_++;
pm->type_map_[&i.type] = &i;
pm->discriminator_map_[&i.discriminator] = &i;
}
template <typename R, database_id DB>
void polymorphic_entry_impl<R, DB>::
erase (const info_type& i)
{
// VC10 cannot grok constructor call syntax here.
//
polymorphic_map<root_type>*& pm = root_traits::map;
pm->discriminator_map_.erase (&i.discriminator);
pm->type_map_.erase (&i.type);
if (--pm->ref_count_ == 0)
{
delete pm;
pm = 0;
}
}
}
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