Initial implementation

1 files changed, 73 insertions, 0 deletions

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+// file      : odb/database.txx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <odb/exceptions.hxx>
+#include <odb/session.hxx>
+#include <odb/transaction.hxx>
+
+namespace odb
+{
+  // @@ Should I make these inline?
+  //
+
+  template <typename T, template <typename> class P>
+  typename object_traits<T>::id_type database::
+  persist (P<T> p)
+  {
+    // P<T> should be the same or convertible to
+    // object_traits<T>::shared_ptr.
+    //
+    const typename object_traits<T>::shared_ptr& obj (p);
+
+    session& s (transaction::current ().session ());
+    return s.persist<T> (*this, obj);
+  }
+
+  template <typename T>
+  typename object_traits<T>::shared_ptr database::
+  load (typename object_traits<T>::id_type const& id)
+  {
+    typename object_traits<T>::shared_ptr r (find<T> (id));
+
+    if (object_traits<T>::shared_ops::null_ptr (r))
+      throw object_not_persistent ();
+
+    return r;
+  }
+
+  template <typename T>
+  typename object_traits<T>::shared_ptr database::
+  find (typename object_traits<T>::id_type const& id)
+  {
+    session& s (transaction::current ().session ());
+    return s.find<T> (*this, id);
+  }
+
+  template <typename T, template <typename> class P>
+  void database::
+  erase (P<T> p)
+  {
+    // P<T> should be the same or convertible to
+    // object_traits<T>::shared_ptr.
+    //
+    const typename object_traits<T>::shared_ptr& obj (p);
+
+    session& s (transaction::current ().session ());
+    return s.erase (*this, obj);
+  }
+
+  template <typename T, template <typename> class P>
+  void database::
+  modified (P<T> p)
+  {
+    // P<T> should be the same or convertible to
+    // object_traits<T>::shared_ptr.
+    //
+    const typename object_traits<T>::shared_ptr& obj (p);
+
+    session& s (transaction::current ().session ());
+    return s.modified (obj);
+  }
+}