From ec2ad3cce4c5feb1dabd1fe87dc26799722def19 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 20 Jan 2013 08:20:56 +0200
Subject: Add cache_ suffix to session cache functions

This way they won't conflict with other functions (e.g., delayed
database operations) that may have the same names.
---
 odb/cache-traits.hxx | 21 +++++++------
 odb/session.hxx      | 87 ++++++++++++++++++++++++++++++++++------------------
 odb/session.ixx      | 45 ++++++++++++++++++++++++++-
 odb/session.txx      | 39 +++++++++--------------
 4 files changed, 127 insertions(+), 65 deletions(-)

(limited to 'odb')

diff --git a/odb/cache-traits.hxx b/odb/cache-traits.hxx
index 5ab5022..dbb304e 100644
--- a/odb/cache-traits.hxx
+++ b/odb/cache-traits.hxx
@@ -28,13 +28,14 @@ namespace odb
     typedef odb::pointer_traits<pointer_type> pointer_traits;
     typedef typename pointer_traits::element_type object_type;
     typedef typename object_traits<object_type>::id_type id_type;
-    typedef typename session_type::template position<object_type> position_type;
+    typedef typename session_type::template cache_position<object_type>
+    position_type;
 
     struct insert_guard
     {
       insert_guard () {}
       insert_guard (const position_type& pos): pos_ (pos) {}
-      ~insert_guard () {session_type::erase (pos_);}
+      ~insert_guard () {session_type::_cache_erase (pos_);}
 
       const position_type&
       position () const {return pos_;}
@@ -62,7 +63,7 @@ namespace odb
     static position_type
     insert (odb::database& db, const id_type& id, const pointer_type& p)
     {
-      return session_type::template insert<object_type> (db, id, p);
+      return session_type::template _cache_insert<object_type> (db, id, p);
     }
 
     static position_type
@@ -72,19 +73,19 @@ namespace odb
         object_traits<object_type>::id (
           pointer_traits::get_ref (p)));
 
-      return session_type::template insert<object_type> (db, id, p);
+      return session_type::template _cache_insert<object_type> (db, id, p);
     }
 
     static pointer_type
     find (odb::database& db, const id_type& id)
     {
-      return session_type::template find<object_type> (db, id);
+      return session_type::template _cache_find<object_type> (db, id);
     }
 
     static void
     erase (const position_type& p)
     {
-      session_type::template erase<object_type> (p);
+      session_type::template _cache_erase<object_type> (p);
     }
 
     // Notifications.
@@ -92,25 +93,25 @@ namespace odb
     static void
     persist (const position_type& p)
     {
-      session_type::template persist<object_type> (p);
+      session_type::template _cache_persist<object_type> (p);
     }
 
     static void
     load (const position_type& p)
     {
-      session_type::template load<object_type> (p);
+      session_type::template _cache_load<object_type> (p);
     }
 
     static void
     update (odb::database& db, const object_type& obj)
     {
-      session_type::template update<object_type> (db, obj);
+      session_type::template _cache_update<object_type> (db, obj);
     }
 
     static void
     erase (odb::database& db, const id_type& id)
     {
-      session_type::template erase<object_type> (db, id);
+      session_type::template _cache_erase<object_type> (db, id);
     }
   };
 
diff --git a/odb/session.hxx b/odb/session.hxx
index 6c9359c..657a869 100644
--- a/odb/session.hxx
+++ b/odb/session.hxx
@@ -59,6 +59,8 @@ namespace odb
     static void
     reset_current () {current_pointer (0);}
 
+    // Pointer versions.
+    //
     static session*
     current_pointer ();
 
@@ -88,19 +90,61 @@ namespace odb
     // Object cache.
     //
   public:
-    // Position in the cache of an inserted element. The requirements
+    // Position in the cache of the inserted element.
+    //
+    template <typename T>
+    struct cache_position;
+
+    template <typename T>
+    cache_position<T>
+    cache_insert (database_type&,
+                  const typename object_traits<T>::id_type&,
+                  const typename object_traits<T>::pointer_type&);
+
+    template <typename T>
+    typename object_traits<T>::pointer_type
+    cache_find (database_type&,
+                const typename object_traits<T>::id_type&) const;
+
+    template <typename T>
+    void
+    cache_erase (const cache_position<T>&);
+
+    template <typename T>
+    void
+    cache_erase (database_type&, const typename object_traits<T>::id_type&);
+
+    // Low-level object cache access (iteration, etc).
+    //
+  public:
+    typedef std::map<const std::type_info*,
+                     details::shared_ptr<object_map_base>,
+                     details::type_info_comparator> type_map;
+
+    typedef std::map<database_type*, type_map> database_map;
+
+    database_map&
+    map () {return db_map_;}
+
+    const database_map&
+    map () const {return db_map_;}
+
+    // Static cache API as expected by the rest of ODB.
+    //
+  public:
+    // Position in the cache of the inserted element. The requirements
     // for this class template are: default and copy-constructible as
     // well as copy-assignable. The default constructor creates an
     // empty/NULL position.
     //
     template <typename T>
-    struct position
+    struct cache_position
     {
       typedef object_map<T> map;
       typedef typename map::iterator iterator;
 
-      position (): map_ (0) {}
-      position (map& m, const iterator& p): map_ (&m), pos_ (p) {}
+      cache_position (): map_ (0) {}
+      cache_position (map& m, const iterator& p): map_ (&m), pos_ (p) {}
 
       map* map_;
       iterator pos_;
@@ -112,52 +156,37 @@ namespace odb
     // that caused it to be inserted (e.g., load) failed.
     //
     template <typename T>
-    static position<T>
-    insert (database_type&,
-            const typename object_traits<T>::id_type&,
-            const typename object_traits<T>::pointer_type&);
+    static cache_position<T>
+    _cache_insert (database_type&,
+                   const typename object_traits<T>::id_type&,
+                   const typename object_traits<T>::pointer_type&);
 
     template <typename T>
     static typename object_traits<T>::pointer_type
-    find (database_type&, const typename object_traits<T>::id_type&);
+    _cache_find (database_type&, const typename object_traits<T>::id_type&);
 
     template <typename T>
     static void
-    erase (const position<T>&);
+    _cache_erase (const cache_position<T>&);
 
     // Notifications. These are called after per-object callbacks for
     // post_{persist, load, update, erase} events.
     //
     template <typename T>
     static void
-    persist (const position<T>&) {}
+    _cache_persist (const cache_position<T>&) {}
 
     template <typename T>
     static void
-    load (const position<T>&) {}
+    _cache_load (const cache_position<T>&) {}
 
     template <typename T>
     static void
-    update (database_type&, const T&) {}
+    _cache_update (database_type&, const T&) {}
 
     template <typename T>
     static void
-    erase (database_type&, const typename object_traits<T>::id_type&);
-
-    // Low-level object cache access (iteration, etc).
-    //
-  public:
-    typedef std::map<const std::type_info*,
-                     details::shared_ptr<object_map_base>,
-                     details::type_info_comparator> type_map;
-
-    typedef std::map<database_type*, type_map> database_map;
-
-    database_map&
-    map () {return db_map_;}
-
-    const database_map&
-    map () const {return db_map_;}
+    _cache_erase (database_type&, const typename object_traits<T>::id_type&);
 
   protected:
     database_map db_map_;
diff --git a/odb/session.ixx b/odb/session.ixx
index 4748cae..b7453ca 100644
--- a/odb/session.ixx
+++ b/odb/session.ixx
@@ -8,11 +8,54 @@ namespace odb
 {
   template <typename T>
   inline void session::
-  erase (const position<T>& p)
+  cache_erase (const cache_position<T>& p)
   {
     // @@ Empty maps are not cleaned up by this version of erase.
     //
     if (p.map_ != 0)
       p.map_->erase (p.pos_);
   }
+
+  template <typename T>
+  inline typename session::cache_position<T> session::
+  _cache_insert (database_type& db,
+                 const typename object_traits<T>::id_type& id,
+                 const typename object_traits<T>::pointer_type& obj)
+  {
+    if (session* s = current_pointer ())
+      return s->cache_insert<T> (db, id, obj);
+    else
+      return cache_position<T> ();
+  }
+
+  template <typename T>
+  inline typename object_traits<T>::pointer_type session::
+  _cache_find (database_type& db, const typename object_traits<T>::id_type& id)
+  {
+    typedef typename object_traits<T>::pointer_type pointer_type;
+
+    if (const session* s = current_pointer ())
+      return s->cache_find<T> (db, id);
+    else
+      return pointer_type ();
+  }
+
+  template <typename T>
+  inline void session::
+  _cache_erase (const cache_position<T>& p)
+  {
+    // @@ Empty maps are not cleaned up by this version of erase.
+    //
+    if (p.map_ != 0)
+      p.map_->erase (p.pos_);
+  }
+
+  template <typename T>
+  inline void session::
+  _cache_erase (database_type& db,
+                const typename object_traits<T>::id_type& id)
+  {
+    if (session* s = current_pointer ())
+      s->cache_erase<T> (db, id);
+  }
 }
diff --git a/odb/session.txx b/odb/session.txx
index e89e439..273638c 100644
--- a/odb/session.txx
+++ b/odb/session.txx
@@ -5,18 +5,14 @@
 namespace odb
 {
   template <typename T>
-  typename session::position<T> session::
-  insert (database_type& db,
-          const typename object_traits<T>::id_type& id,
-          const typename object_traits<T>::pointer_type& obj)
+  typename session::cache_position<T> session::
+  cache_insert (database_type& db,
+                const typename object_traits<T>::id_type& id,
+                const typename object_traits<T>::pointer_type& obj)
   {
     typedef odb::object_traits<T> object_traits;
 
-    session* s (current_pointer ());
-    if (s == 0)
-      return position<T> ();
-
-    type_map& tm (s->db_map_[&db]);
+    type_map& tm (db_map_[&db]);
     details::shared_ptr<object_map_base>& pom (tm[&typeid (T)]);
 
     if (!pom)
@@ -35,22 +31,19 @@ namespace odb
     if (!r.second)
       r.first->second = obj;
 
-    return position<T> (om, r.first);
+    return cache_position<T> (om, r.first);
   }
 
   template <typename T>
   typename object_traits<T>::pointer_type session::
-  find (database_type& db, const typename object_traits<T>::id_type& id)
+  cache_find (database_type& db,
+              const typename object_traits<T>::id_type& id) const
   {
     typedef typename object_traits<T>::pointer_type pointer_type;
 
-    const session* s (current_pointer ());
-    if (s == 0)
-      return pointer_type ();
-
-    database_map::const_iterator di (s->db_map_.find (&db));
+    database_map::const_iterator di (db_map_.find (&db));
 
-    if (di == s->db_map_.end ())
+    if (di == db_map_.end ())
       return pointer_type ();
 
     const type_map& tm (di->second);
@@ -70,15 +63,11 @@ namespace odb
 
   template <typename T>
   void session::
-  erase (database_type& db, const typename object_traits<T>::id_type& id)
+  cache_erase (database_type& db, const typename object_traits<T>::id_type& id)
   {
-    session* s (current_pointer ());
-    if (s == 0)
-      return;
-
-    database_map::iterator di (s->db_map_.find (&db));
+    database_map::iterator di (db_map_.find (&db));
 
-    if (di == s->db_map_.end ())
+    if (di == db_map_.end ())
       return;
 
     type_map& tm (di->second);
@@ -99,6 +88,6 @@ namespace odb
       tm.erase (ti);
 
     if (tm.empty ())
-      s->db_map_.erase (di);
+      db_map_.erase (di);
   }
 }
-- 
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