From 290d22210040a7b373e2dc9084240cdeffa1fa3a Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Wed, 21 Mar 2012 08:37:25 +0200 Subject: Polymorphic inheritance support --- odb/mssql/object-result.txx | 308 -------------------------------------------- 1 file changed, 308 deletions(-) delete mode 100644 odb/mssql/object-result.txx (limited to 'odb/mssql/object-result.txx') diff --git a/odb/mssql/object-result.txx b/odb/mssql/object-result.txx deleted file mode 100644 index 9f6b2d0..0000000 --- a/odb/mssql/object-result.txx +++ /dev/null @@ -1,308 +0,0 @@ -// file : odb/mssql/object-result.txx -// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC -// license : ODB NCUEL; see accompanying LICENSE file - -#include - -#include -#include // result_not_cached - -#include // long_data_reload -#include - -namespace odb -{ - namespace mssql - { - // - // object_result_impl - // - - template - object_result_impl:: - ~object_result_impl () - { - change_callback_type& cc (statements_.image ().change_callback_); - - if (cc.context == this) - { - cc.context = 0; - cc.callback = 0; - } - - delete image_copy_; - - if (!this->end_) - statement_->free_result (); - } - - template - object_result_impl:: - object_result_impl (const query&, - details::shared_ptr statement, - object_statements& statements) - : base_type (statements.connection ().database ()), - statement_ (statement), - statements_ (statements), - use_copy_ (false), - image_copy_ (0) - { - } - - template - void object_result_impl:: - load (object_type& obj, bool) - { - if (!can_load_) - throw long_data_reload (); - - // This is a top-level call so the statements cannot be locked. - // - assert (!statements_.locked ()); - typename object_statements::auto_lock l (statements_); - - odb::database& db (this->database ()); - object_traits::callback (db, obj, callback_event::pre_load); - - typename object_traits::image_type& i ( - use_copy_ ? *image_copy_ : statements_.image ()); - - object_traits::init (obj, i, &db); - - // If we are using a copy, make sure the callback information for - // long data also comes from the copy. - // - can_load_ = !statement_->stream_result ( - use_copy_ ? &statements_.image () : 0, - use_copy_ ? image_copy_ : 0); - - // 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 object_result_impl::id_type - object_result_impl:: - load_id () - { - return object_traits::id ( - use_copy_ ? *image_copy_ : statements_.image ()); - } - - template - void object_result_impl:: - next () - { - can_load_ = true; - this->current (pointer_type ()); - - typename object_traits::image_type& im (statements_.image ()); - change_callback_type& cc (im.change_callback_); - - if (cc.context == this) - { - cc.callback = 0; - cc.context = 0; - } - - use_copy_ = false; - - 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) - { - statement_->free_result (); - this->end_ = true; - } - else - { - cc.callback = &change_callback; - cc.context = this; - } - } - - template - void object_result_impl:: - cache () - { - } - - template - std::size_t object_result_impl:: - size () - { - throw result_not_cached (); - } - - template - void object_result_impl:: - change_callback (void* c) - { - object_result_impl* r (static_cast*> (c)); - typename object_traits::image_type& im (r->statements_.image ()); - - if (r->image_copy_ == 0) - r->image_copy_ = new typename object_traits::image_type (im); - else - *r->image_copy_ = im; - - im.change_callback_.callback = 0; - im.change_callback_.context = 0; - - r->use_copy_ = true; - } - - // - // object_result_impl_no_id - // - - template - object_result_impl_no_id:: - ~object_result_impl_no_id () - { - change_callback_type& cc (statements_.image ().change_callback_); - - if (cc.context == this) - { - cc.context = 0; - cc.callback = 0; - } - - if (!this->end_) - statement_->free_result (); - - delete image_copy_; - } - - template - object_result_impl_no_id:: - object_result_impl_no_id (const query&, - details::shared_ptr statement, - object_statements_no_id& statements) - : base_type (statements.connection ().database ()), - statement_ (statement), - statements_ (statements), - use_copy_ (false), - image_copy_ (0) - { - } - - template - void object_result_impl_no_id:: - load (object_type& obj) - { - if (!can_load_) - throw long_data_reload (); - - odb::database& db (this->database ()); - - object_traits::callback (db, obj, callback_event::pre_load); - - object_traits::init (obj, - use_copy_ ? *image_copy_ : statements_.image (), - &db); - - // If we are using a copy, make sure the callback information for - // long data also comes from the copy. - // - can_load_ = !statement_->stream_result ( - use_copy_ ? &statements_.image () : 0, - use_copy_ ? image_copy_ : 0); - - object_traits::callback (db, obj, callback_event::post_load); - } - - template - void object_result_impl_no_id:: - next () - { - can_load_ = true; - this->current (pointer_type ()); - - typename object_traits::image_type& im (statements_.image ()); - change_callback_type& cc (im.change_callback_); - - if (cc.context == this) - { - cc.callback = 0; - cc.context = 0; - } - - use_copy_ = false; - - 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) - { - statement_->free_result (); - this->end_ = true; - } - else - { - cc.callback = &change_callback; - cc.context = this; - } - } - - template - void object_result_impl_no_id:: - cache () - { - } - - template - std::size_t object_result_impl_no_id:: - size () - { - throw result_not_cached (); - } - - template - void object_result_impl_no_id:: - change_callback (void* c) - { - object_result_impl_no_id* r ( - static_cast*> (c)); - - typename object_traits::image_type im (r->statements_.image ()); - - if (r->image_copy_ == 0) - r->image_copy_ = new typename object_traits::image_type (im); - else - *r->image_copy_ = im; - - im.change_callback_.callback = 0; - im.change_callback_.context = 0; - - r->use_copy_ = true; - } - } -} -- cgit v1.1