From 6400b736456af65176c9c1959022f1eb49fcde32 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 20 Jul 2010 11:02:07 +0200
Subject: Get rid of the session mechanism for now

Add low-level API instead.
---
 odb/session.hxx | 190 --------------------------------------------------------
 1 file changed, 190 deletions(-)
 delete mode 100644 odb/session.hxx

(limited to 'odb/session.hxx')

diff --git a/odb/session.hxx b/odb/session.hxx
deleted file mode 100644
index 90df00d..0000000
--- a/odb/session.hxx
+++ /dev/null
@@ -1,190 +0,0 @@
-// file      : odb/session.hxx
-// author    : Boris Kolpackov <boris@codesynthesis.com>
-// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
-// license   : GNU GPL v2; see accompanying LICENSE file
-
-#ifndef ODB_SESSION_HXX
-#define ODB_SESSION_HXX
-
-#include <map>
-#include <typeinfo>
-
-#include <odb/forward.hxx>
-#include <odb/traits.hxx>
-
-namespace odb
-{
-  class session
-  {
-  public:
-    session ();
-    ~session ()
-    {
-      reset_current ();
-    }
-
-  private:
-    session (const session&);
-    session& operator= (const session&);
-
-  public:
-    template <typename T, template <typename> class P>
-    typename object_traits<T>::id_type
-    persist (database&, P<T> obj);
-
-    template <typename T>
-    typename object_traits<T>::shared_ptr
-    find (database&, typename object_traits<T>::id_type const&);
-
-    template <typename T, template <typename> class P>
-    void
-    erase (database&, P<T> obj);
-
-    template <typename T, template <typename> class P>
-    void
-    modified (P<T> obj);
-
-    void
-    flush ();
-
-  public:
-    // Return true if there is a session in effect.
-    //
-    static bool
-    has_current ();
-
-    // Get current thread's session. Throw if no session in effect.
-    //
-    static session&
-    current ();
-
-    // Set current thread's session.
-    //
-    static void
-    current (session&);
-
-    // Revert to the no session in effect state.
-    //
-    static void
-    reset_current ();
-
-  private:
-    struct object_proxy;
-    typedef std::map< void*, shared_ptr<object_proxy> > object_map;
-
-    struct type_map
-    {
-      virtual
-      ~type_map () = 0;
-    };
-
-    template <typename T>
-    struct type_map_impl:
-      type_map,
-      std::map<typename object_traits<T>::id_type, object_map::iterator>
-    {
-    };
-
-    struct type_info_comparator
-    {
-      bool
-      operator() (const std::type_info* x, const std::type_info* y) const
-      {
-        // XL C++ on AIX has buggy type_info::before() in that
-        // it returns true for two different type_info objects
-        // that happened to be for the same type.
-        //
-#if defined(__xlC__) && defined(_AIX)
-        return *x != *y && x->before (*y);
-#else
-        return x->before (*y);
-#endif
-      }
-    };
-
-    typedef
-    std::map<const std::type_info*, shared_ptr<type_map>, type_info_comparator>
-    id_map;
-
-    //
-    //
-    struct object_proxy
-    {
-      virtual
-      ~object_proxy () = 0;
-
-      object_proxy (database& db, id_source is)
-          : id_source_ (is), db_ (db)
-      {
-      }
-
-      enum state
-      {
-        transient,  /* Persisted out of transaction. */
-        clean,
-        dirty,      /* To be updated on flush. */
-        erased      /* To be deleted on flush. */
-      };
-
-    public:
-      virtual void
-      persist () = 0;
-
-      virtual void
-      update () = 0;
-
-      virtual void
-      erase () = 0;
-
-      virtual void
-      register_id (id_map&, object_map::iterator) = 0;
-
-      virtual void
-      unregister_id (id_map&) = 0;
-
-    public:
-      state state_;
-      id_source id_source_;
-      database& db_;
-    };
-
-    template <typename T>
-    struct object_proxy_impl: object_proxy
-    {
-      typedef object_traits<T> traits;
-      typedef typename traits::shared_ptr obj_ptr;
-      typedef typename traits::shared_ops ptr_ops;
-
-      object_proxy_impl (database& db, obj_ptr obj)
-          : object_proxy (db, traits::id_source), obj_ (obj)
-      {
-      }
-
-    public:
-      virtual void
-      persist ();
-
-      virtual void
-      update ();
-
-      virtual void
-      erase ();
-
-      virtual void
-      register_id (id_map&, object_map::iterator);
-
-      virtual void
-      unregister_id (id_map&);
-
-    public:
-      obj_ptr obj_;
-    };
-
-    object_map object_map_;
-    id_map id_map_;
-  };
-}
-
-#include <odb/session.txx>
-
-#endif // ODB_SESSION_HXX
-- 
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