1 files changed, 158 insertions, 0 deletions
diff --git a/libodb-sqlite/odb/sqlite/simple-object-result.txx b/libodb-sqlite/odb/sqlite/simple-object-result.txx
new file mode 100644
index 0000000..f27b226
--- /dev/null
+++ b/libodb-sqlite/odb/sqlite/simple-object-result.txx
@@ -0,0 +1,158 @@
+// file      : odb/sqlite/simple-object-result.txx
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#include <cassert>
+
+#include <odb/callback.hxx>
+#include <odb/exceptions.hxx> // result_not_cached
+
+#include <odb/sqlite/simple-object-statements.hxx>
+
+namespace odb
+{
+  namespace sqlite
+  {
+    template <typename T>
+    object_result_impl<T>::
+    ~object_result_impl ()
+    {
+      if (!this->end_)
+        statement_->free_result ();
+    }
+
+    template <typename T>
+    void object_result_impl<T>::
+    invalidate ()
+    {
+      if (!this->end_)
+      {
+        statement_->free_result ();
+        this->end_ = true;
+      }
+
+      params_.reset ();
+      statement_.reset ();
+    }
+
+    template <typename T>
+    object_result_impl<T>::
+    object_result_impl (const query_base& q,
+                        const details::shared_ptr<select_statement>& s,
+                        statements_type& sts,
+                        const schema_version_migration* svm)
+        : base_type (sts.connection ()),
+          params_ (q.parameters ()),
+          statement_ (s),
+          statements_ (sts),
+          tc_ (svm)
+    {
+    }
+
+    template <typename T>
+    void object_result_impl<T>::
+    load (object_type& obj, bool fetch)
+    {
+      if (fetch)
+        load_image ();
+
+      // This is a top-level call so the statements cannot be locked.
+      //
+      assert (!statements_.locked ());
+      typename statements_type::auto_lock l (statements_);
+
+      object_traits::callback (this->db_, obj, callback_event::pre_load);
+
+      typename object_traits::image_type& i (statements_.image ());
+      tc_.init (obj, i, &this->db_);
+
+      // Initialize the id image and binding and load the rest of the object
+      // (containers, etc).
+      //
+      typename object_traits::id_image_type& idi (statements_.id_image ());
+      object_traits::init (idi, object_traits::id (i));
+
+      binding& idb (statements_.id_image_binding ());
+      if (idi.version != statements_.id_image_version () || idb.version == 0)
+      {
+        object_traits::bind (idb.bind, idi);
+        statements_.id_image_version (idi.version);
+        idb.version++;
+      }
+
+      tc_.load_ (statements_, obj, false);
+      statements_.load_delayed (tc_.version ());
+      l.unlock ();
+      object_traits::callback (this->db_, obj, callback_event::post_load);
+    }
+
+    template <typename T>
+    typename object_result_impl<T>::id_type
+    object_result_impl<T>::
+    load_id ()
+    {
+      load_image ();
+      return object_traits::id (statements_.image ());
+    }
+
+    template <typename T>
+    void object_result_impl<T>::
+    next ()
+    {
+      this->current (pointer_type ());
+
+      if (!statement_->next ())
+      {
+        statement_->free_result ();
+        this->end_ = true;
+      }
+    }
+
+    template <typename T>
+    void object_result_impl<T>::
+    load_image ()
+    {
+      // The image can grow between calls to load() as a result of other
+      // statements execution.
+      //
+      typename object_traits::image_type& im (statements_.image ());
+
+      if (im.version != statements_.select_image_version ())
+      {
+        binding& b (statements_.select_image_binding ());
+        tc_.bind (b.bind, im, statement_select);
+        statements_.select_image_version (im.version);
+        b.version++;
+      }
+
+      select_statement::result r (statement_->load ());
+
+      if (r == select_statement::truncated)
+      {
+        if (tc_.grow (im, statements_.select_image_truncated ()))
+          im.version++;
+
+        if (im.version != statements_.select_image_version ())
+        {
+          binding& b (statements_.select_image_binding ());
+          tc_.bind (b.bind, im, statement_select);
+          statements_.select_image_version (im.version);
+          b.version++;
+          statement_->reload ();
+        }
+      }
+    }
+
+    template <typename T>
+    void object_result_impl<T>::
+    cache ()
+    {
+    }
+
+    template <typename T>
+    std::size_t object_result_impl<T>::
+    size ()
+    {
+      throw result_not_cached ();
+    }
+  }
+}