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Diffstat (limited to 'odb/mysql/object-statements.hxx')
-rw-r--r-- | odb/mysql/object-statements.hxx | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/odb/mysql/object-statements.hxx b/odb/mysql/object-statements.hxx new file mode 100644 index 0000000..a16af88 --- /dev/null +++ b/odb/mysql/object-statements.hxx @@ -0,0 +1,185 @@ +// file : odb/mysql/object-statements.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_MYSQL_OBJECT_STATEMENTS_HXX +#define ODB_MYSQL_OBJECT_STATEMENTS_HXX + +#include <odb/pre.hxx> + +#include <odb/forward.hxx> +#include <odb/traits.hxx> + +#include <odb/mysql/mysql.hxx> +#include <odb/mysql/version.hxx> +#include <odb/mysql/statement.hxx> + +#include <odb/details/shared-ptr.hxx> + +#include <odb/mysql/details/export.hxx> + +namespace odb +{ + namespace mysql + { + class connection; + + class LIBODB_MYSQL_EXPORT object_statements_base: + public details::shared_base + { + public: + virtual + ~object_statements_base (); + + protected: + object_statements_base (connection& conn) + : conn_ (conn) + { + } + + protected: + connection& conn_; + }; + + template <typename T> + class object_statements: public object_statements_base + { + public: + typedef odb::object_traits<T> object_traits; + typedef typename object_traits::image_type image_type; + typedef typename object_traits::id_image_type id_image_type; + + typedef + typename object_traits::container_statement_cache_type + container_statement_cache_type; + + typedef mysql::insert_statement persist_statement_type; + typedef mysql::select_statement find_statement_type; + typedef mysql::update_statement update_statement_type; + typedef mysql::delete_statement erase_statement_type; + + object_statements (connection&); + + image_type& + image () + { + return image_; + } + + binding& + image_binding () + { + return image_binding_; + } + + my_bool* + image_error () + { + return image_error_; + } + + id_image_type& + id_image () + { + return id_image_; + } + + binding& + id_image_binding () + { + return id_image_binding_; + } + + persist_statement_type& + persist_statement () + { + if (persist_ == 0) + persist_.reset ( + new (details::shared) persist_statement_type ( + conn_, object_traits::persist_statement, image_binding_)); + + return *persist_; + } + + find_statement_type& + find_statement () + { + if (find_ == 0) + find_.reset ( + new (details::shared) find_statement_type ( + conn_, + object_traits::find_statement, + id_image_binding_, + image_binding_)); + + return *find_; + } + + update_statement_type& + update_statement () + { + if (update_ == 0) + update_.reset ( + new (details::shared) update_statement_type ( + conn_, + object_traits::update_statement, + id_image_binding_, + image_binding_)); + + return *update_; + } + + erase_statement_type& + erase_statement () + { + if (erase_ == 0) + erase_.reset ( + new (details::shared) erase_statement_type ( + conn_, + object_traits::erase_statement, + id_image_binding_)); + + return *erase_; + } + + // Container statement cache. + // + container_statement_cache_type& + container_statment_cache () + { + return container_statement_cache_; + } + + private: + object_statements (const object_statements&); + object_statements& operator= (const object_statements&); + + private: + container_statement_cache_type container_statement_cache_; + + // The last element is the id parameter. The update statement + // depends on this being one contiguous arrays. + // + MYSQL_BIND image_bind_[object_traits::column_count + 1]; + + image_type image_; + my_bool image_error_[object_traits::column_count]; + binding image_binding_; + + id_image_type id_image_; + binding id_image_binding_; + + details::shared_ptr<persist_statement_type> persist_; + details::shared_ptr<find_statement_type> find_; + details::shared_ptr<update_statement_type> update_; + details::shared_ptr<erase_statement_type> erase_; + }; + } +} + +#include <odb/mysql/object-statements.txx> + +#include <odb/post.hxx> + +#endif // ODB_MYSQL_OBJECT_STATEMENTS_HXX |