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// file : odb/oracle/object-result.txx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : ODB NCUEL; see accompanying LICENSE file
#include <odb/callback.hxx>
#include <odb/exceptions.hxx>
#include <odb/oracle/object-statements.hxx>
namespace odb
{
namespace oracle
{
template <typename T>
result_impl<T, class_object>::
~result_impl ()
{
}
template <typename T>
result_impl<T, class_object>::
result_impl (const query&,
details::shared_ptr<select_statement> statement,
object_statements<object_type>& statements)
: base_type (statements.connection ().database ()),
statement_ (statement),
statements_ (statements)
{
}
template <typename T>
void result_impl<T, class_object>::
load (object_type& obj)
{
// This is a top-level call so the statements cannot be locked.
//
assert (!statements_.locked ());
typename object_statements<object_type>::auto_lock l (statements_);
odb::database& db (this->database ());
object_traits::callback (db, obj, callback_event::pre_load);
typename object_traits::image_type& i (statements_.image ());
object_traits::init (obj, i, 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));
statement_->stream_result ();
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++;
}
object_traits::load_ (statements_, obj);
statements_.load_delayed ();
l.unlock ();
object_traits::callback (db, obj, callback_event::post_load);
}
template <typename T>
typename result_impl<T, class_object>::id_type
result_impl<T, class_object>::
load_id ()
{
return object_traits::id (statements_.image ());
}
template <typename T>
void result_impl<T, class_object>::
next ()
{
this->current (pointer_type ());
typename object_traits::image_type& im (statements_.image ());
if (im.version != statements_.select_image_version ())
{
binding& b (statements_.select_image_binding ());
object_traits::bind (b.bind, im, statement_select);
statements_.select_image_version (im.version);
b.version++;
}
if (statement_->fetch () == select_statement::no_data)
this->end_ = true;
}
template <typename T>
void result_impl<T, class_object>::
cache ()
{
}
template <typename T>
std::size_t result_impl<T, class_object>::
size ()
{
throw result_not_cached ();
}
}
}
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