1 files changed, 72 insertions, 0 deletions
diff --git a/odb/polymorphic-map.txx b/odb/polymorphic-map.txx
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+++ b/odb/polymorphic-map.txx
@@ -0,0 +1,72 @@
+// file      : odb/polymorphic-map.txx
+// copyright : Copyright (c) 2005-2012 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>
+  void polymorphic_entry_impl<R>::
+  insert (const info_type& i)
+  {
+    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>
+  void polymorphic_entry_impl<R>::
+  erase (const info_type& i)
+  {
+    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;
+    }
+  }
+}