From 9715f388db714fb663b854883e4cad5f2aa3c860 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 2 Sep 2013 08:33:25 +0200
Subject: Support for versioning simple value in object

---
 odb/pgsql/traits-calls.hxx | 132 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 odb/pgsql/traits-calls.hxx

(limited to 'odb/pgsql/traits-calls.hxx')

diff --git a/odb/pgsql/traits-calls.hxx b/odb/pgsql/traits-calls.hxx
new file mode 100644
index 0000000..5f2e11b
--- /dev/null
+++ b/odb/pgsql/traits-calls.hxx
@@ -0,0 +1,132 @@
+// file      : odb/pgsql/traits-calls.hxx
+// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_PGSQL_TRAITS_CALLS_HXX
+#define ODB_PGSQL_TRAITS_CALLS_HXX
+
+#include <odb/pre.hxx>
+
+#include <cstddef> // std::size_t
+
+#include <odb/forward.hxx>
+#include <odb/schema-version.hxx>
+#include <odb/traits.hxx>
+
+#include <odb/pgsql/forward.hxx>
+#include <odb/pgsql/pgsql-types.hxx>
+
+namespace odb
+{
+  namespace pgsql
+  {
+    template <typename T,
+              bool versioned = object_traits_impl<T, id_pgsql>::versioned>
+    struct traits_calls;
+
+    template <typename T>
+    struct traits_calls<T, false>
+    {
+      typedef object_traits_impl<T, id_pgsql> traits;
+      typedef typename traits::image_type image_type;
+      typedef pgsql::bind bind_type;
+
+      traits_calls (const schema_version_migration*) {}
+
+      const schema_version_migration*
+      version () const {return 0;}
+
+      static bool
+      grow (image_type& i, bool* t)
+      {
+        return traits::grow (i, t);
+      }
+
+      static void
+      bind (bind_type* b, image_type& i, statement_kind sk)
+      {
+        traits::bind (b, i, sk);
+      }
+
+      // Poly-derived version.
+      //
+      static void
+      bind (bind_type* b,
+            const bind_type* id, std::size_t id_size,
+            image_type& i,
+            statement_kind sk)
+      {
+        traits::bind (b, id, id_size, i, sk);
+      }
+
+      static void
+      init (T& o, const image_type& i, odb::database* db)
+      {
+        traits::init (o, i, db);
+      }
+
+      static bool
+      find_ (typename traits::statements_type& sts,
+             const typename traits::id_type* id)
+      {
+        return traits::find_ (sts, id);
+      }
+    };
+
+    template <typename T>
+    struct traits_calls<T, true>
+    {
+      typedef object_traits_impl<T, id_pgsql> traits;
+      typedef typename traits::image_type image_type;
+      typedef pgsql::bind bind_type;
+
+      traits_calls (const schema_version_migration* svm): svm_ (*svm) {}
+
+      const schema_version_migration*
+      version () const {return &svm_;}
+
+      bool
+      grow (image_type& i, bool* t) const
+      {
+        return traits::grow (i, t, svm_);
+      }
+
+      void
+      bind (bind_type* b, image_type& i, statement_kind sk) const
+      {
+        traits::bind (b, i, sk, svm_);
+      }
+
+      // Poly-derived version.
+      //
+      void
+      bind (bind_type* b,
+            const bind_type* id, std::size_t id_size,
+            image_type& i,
+            statement_kind sk) const
+      {
+        traits::bind (b, id, id_size, i, sk, svm_);
+      }
+
+      void
+      init (T& o, const image_type& i, odb::database* db) const
+      {
+        traits::init (o, i, db, svm_);
+      }
+
+      bool
+      find_ (typename traits::statements_type& sts,
+             const typename traits::id_type* id) const
+      {
+        return traits::find_ (sts, id, svm_);
+      }
+
+    private:
+      const schema_version_migration& svm_;
+    };
+  }
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_PGSQL_TRAITS_CALLS_HXX
-- 
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