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Diffstat (limited to 'odb/sqlite/container-statements.hxx')
| -rw-r--r-- | odb/sqlite/container-statements.hxx | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/odb/sqlite/container-statements.hxx b/odb/sqlite/container-statements.hxx deleted file mode 100644 index b9cccf0..0000000 --- a/odb/sqlite/container-statements.hxx +++ /dev/null @@ -1,355 +0,0 @@ -// file : odb/sqlite/container-statements.hxx -// license : GNU GPL v2; see accompanying LICENSE file - -#ifndef ODB_SQLITE_CONTAINER_STATEMENTS_HXX -#define ODB_SQLITE_CONTAINER_STATEMENTS_HXX - -#include <odb/pre.hxx> - -#include <cstddef> // std::size_t - -#include <odb/forward.hxx> -#include <odb/schema-version.hxx> -#include <odb/traits.hxx> - -#include <odb/sqlite/version.hxx> -#include <odb/sqlite/binding.hxx> -#include <odb/sqlite/statement.hxx> -#include <odb/sqlite/details/export.hxx> - -namespace odb -{ - namespace sqlite - { - class connection; - - // Template argument is the generated abstract container traits type. - // That is, it doesn't need to provide column counts and statements. - // - template <typename T> - class container_statements - { - public: - typedef T traits; - - typedef typename traits::data_image_type data_image_type; - typedef typename traits::functions_type functions_type; - - typedef sqlite::insert_statement insert_statement_type; - typedef sqlite::select_statement select_statement_type; - typedef sqlite::delete_statement delete_statement_type; - - typedef sqlite::connection connection_type; - - container_statements (connection_type&, binding& id_binding); - - connection_type& - connection () - { - return conn_; - } - - // Functions. - // - functions_type& - functions () - { - return functions_; - } - - // Schema version. - // - const schema_version_migration& - version_migration () const {return *svm_;} - - void - version_migration (const schema_version_migration& svm) {svm_ = &svm;} - - // Id image binding (external). - // - const binding& - id_binding () - { - return id_binding_; - } - - // Data image. The image is split into the id (that comes as a - // binding) and index/key plus value which are in data_image_type. - // The select binding is a subset of the full binding (no id). - // - data_image_type& - data_image () - { - return data_image_; - } - - bind* - data_bind () - { - return insert_image_binding_.bind; - } - - bool - data_binding_test_version () const - { - return data_id_binding_version_ != id_binding_.version || - data_image_version_ != data_image_.version || - insert_image_binding_.version == 0; - } - - void - data_binding_update_version () - { - data_id_binding_version_ = id_binding_.version; - data_image_version_ = data_image_.version; - insert_image_binding_.version++; - select_image_binding_.version++; - } - - bool* - select_image_truncated () - { - return select_image_truncated_; - } - - // - // Statements. - // - - insert_statement_type& - insert_statement () - { - if (insert_ == 0) - insert_.reset ( - new (details::shared) insert_statement_type ( - conn_, - insert_text_, - versioned_, // Process if versioned. - insert_image_binding_, - 0)); - - return *insert_; - } - - select_statement_type& - select_statement () - { - if (select_ == 0) - select_.reset ( - new (details::shared) select_statement_type ( - conn_, - select_text_, - versioned_, // Process if versioned. - false, // Don't optimize. - id_binding_, - select_image_binding_)); - - return *select_; - } - - delete_statement_type& - delete_statement () - { - if (delete_ == 0) - delete_.reset ( - new (details::shared) delete_statement_type ( - conn_, delete_text_, id_binding_)); - - return *delete_; - } - - private: - container_statements (const container_statements&); - container_statements& operator= (const container_statements&); - - protected: - connection_type& conn_; - binding& id_binding_; - - functions_type functions_; - - data_image_type data_image_; - std::size_t data_image_version_; - std::size_t data_id_binding_version_; - - binding insert_image_binding_; - - binding select_image_binding_; - bool* select_image_truncated_; - - const char* insert_text_; - const char* select_text_; - const char* delete_text_; - - bool versioned_; - const schema_version_migration* svm_; - - details::shared_ptr<insert_statement_type> insert_; - details::shared_ptr<select_statement_type> select_; - details::shared_ptr<delete_statement_type> delete_; - }; - - template <typename T> - class smart_container_statements: public container_statements<T> - { - public: - typedef T traits; - typedef typename traits::cond_image_type cond_image_type; - - typedef sqlite::update_statement update_statement_type; - typedef sqlite::delete_statement delete_statement_type; - - typedef sqlite::connection connection_type; - - smart_container_statements (connection_type&, binding& id_binding); - - // Condition image. The image is split into the id (that comes as - // a binding) and index/key/value which is in cond_image_type. - // - cond_image_type& - cond_image () - { - return cond_image_; - } - - bind* - cond_bind () - { - return cond_image_binding_.bind; - } - - bool - cond_binding_test_version () const - { - return cond_id_binding_version_ != this->id_binding_.version || - cond_image_version_ != cond_image_.version || - cond_image_binding_.version == 0; - } - - void - cond_binding_update_version () - { - cond_id_binding_version_ = this->id_binding_.version; - cond_image_version_ = cond_image_.version; - cond_image_binding_.version++; - } - - // Update image. The image is split as follows: value comes - // from the data image, id comes as binding, and index/key - // comes from the condition image. - // - bind* - update_bind () - { - return update_image_binding_.bind; - } - - bool - update_binding_test_version () const - { - return update_id_binding_version_ != this->id_binding_.version || - update_cond_image_version_ != cond_image_.version || - update_data_image_version_ != this->data_image_.version || - update_image_binding_.version == 0; - } - - void - update_binding_update_version () - { - update_id_binding_version_ = this->id_binding_.version; - update_cond_image_version_ = cond_image_.version; - update_data_image_version_ = this->data_image_.version; - update_image_binding_.version++; - } - - // - // Statements. - // - - delete_statement_type& - delete_statement () - { - if (this->delete_ == 0) - this->delete_.reset ( - new (details::shared) delete_statement_type ( - this->conn_, - this->delete_text_, - this->cond_image_binding_)); - - return *this->delete_; - } - - update_statement_type& - update_statement () - { - if (update_ == 0) - update_.reset ( - new (details::shared) update_statement_type ( - this->conn_, - update_text_, - this->versioned_, // Process if versioned. - update_image_binding_)); - - return *update_; - } - - protected: - cond_image_type cond_image_; - std::size_t cond_image_version_; - std::size_t cond_id_binding_version_; - binding cond_image_binding_; - - std::size_t update_id_binding_version_; - std::size_t update_cond_image_version_; - std::size_t update_data_image_version_; - binding update_image_binding_; - - const char* update_text_; - - details::shared_ptr<update_statement_type> update_; - }; - - // Template argument is the generated concrete container traits type. - // - template <typename T> - class container_statements_impl: public T::statements_type - { - public: - typedef T traits; - typedef typename T::statements_type base; - typedef sqlite::connection connection_type; - - container_statements_impl (connection_type&, binding&); - - private: - container_statements_impl (const container_statements_impl&); - container_statements_impl& operator= (const container_statements_impl&); - - private: - bind data_image_bind_[traits::data_column_count]; - bool select_image_truncated_array_[traits::data_column_count - - traits::id_column_count]; - }; - - template <typename T> - class smart_container_statements_impl: public container_statements_impl<T> - { - public: - typedef T traits; - typedef sqlite::connection connection_type; - - smart_container_statements_impl (connection_type&, binding&); - - private: - bind cond_image_bind_[traits::cond_column_count]; - bind update_image_bind_[traits::value_column_count + - traits::cond_column_count]; - }; - } -} - -#include <odb/sqlite/container-statements.txx> - -#include <odb/post.hxx> - -#endif // ODB_SQLITE_CONTAINER_STATEMENTS_HXX |