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Diffstat (limited to 'odb/sqlite/object-result.txx')
-rw-r--r-- | odb/sqlite/object-result.txx | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/odb/sqlite/object-result.txx b/odb/sqlite/object-result.txx deleted file mode 100644 index 39dcdd7..0000000 --- a/odb/sqlite/object-result.txx +++ /dev/null @@ -1,237 +0,0 @@ -// file : odb/sqlite/object-result.txx -// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC -// license : GNU GPL v2; see accompanying LICENSE file - -#include <cassert> - -#include <odb/callback.hxx> -#include <odb/exceptions.hxx> - -#include <odb/sqlite/object-statements.hxx> - -namespace odb -{ - namespace sqlite - { - // - // object_result_impl - // - - template <typename T> - object_result_impl<T>:: - ~object_result_impl () - { - if (!this->end_) - statement_->free_result (); - } - - template <typename T> - object_result_impl<T>:: - object_result_impl (const query& q, - details::shared_ptr<select_statement> statement, - object_statements<object_type>& statements) - : base_type (statements.connection ().database ()), - result_impl_base (q, statement), - statements_ (statements) - { - } - - 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 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)); - - 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 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 ()); - object_traits::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 (object_traits::grow (im, statements_.select_image_truncated ())) - im.version++; - - 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++; - 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 (); - } - - // - // object_result_impl_no_id - // - - template <typename T> - object_result_impl_no_id<T>:: - ~object_result_impl_no_id () - { - if (!this->end_) - statement_->free_result (); - } - - template <typename T> - object_result_impl_no_id<T>:: - object_result_impl_no_id (const query& q, - details::shared_ptr<select_statement> statement, - object_statements_no_id<object_type>& statements) - : base_type (statements.connection ().database ()), - result_impl_base (q, statement), - statements_ (statements) - { - } - - template <typename T> - void object_result_impl_no_id<T>:: - load (object_type& obj) - { - // 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 ()); - object_traits::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 (object_traits::grow (im, statements_.select_image_truncated ())) - im.version++; - - 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++; - statement_->reload (); - } - } - - odb::database& db (this->database ()); - - object_traits::callback (db, obj, callback_event::pre_load); - object_traits::init (obj, im, &db); - object_traits::callback (db, obj, callback_event::post_load); - } - - template <typename T> - void object_result_impl_no_id<T>:: - next () - { - this->current (pointer_type ()); - - if (!statement_->next ()) - { - statement_->free_result (); - this->end_ = true; - } - } - - template <typename T> - void object_result_impl_no_id<T>:: - cache () - { - } - - template <typename T> - std::size_t object_result_impl_no_id<T>:: - size () - { - throw result_not_cached (); - } - } -} |