diff options
| -rw-r--r-- | odb/oracle/container-statements.hxx | 274 | ||||
| -rw-r--r-- | odb/oracle/container-statements.txx | 75 | ||||
| -rw-r--r-- | odb/oracle/makefile | 2 | ||||
| -rw-r--r-- | odb/oracle/object-statements.cxx | 17 | ||||
| -rw-r--r-- | odb/oracle/object-statements.hxx | 414 | ||||
| -rw-r--r-- | odb/oracle/object-statements.ixx | 70 | ||||
| -rw-r--r-- | odb/oracle/object-statements.txx | 118 | ||||
| -rw-r--r-- | odb/oracle/statement-cache.hxx | 85 | ||||
| -rw-r--r-- | odb/oracle/statements-base.cxx | 17 | ||||
| -rw-r--r-- | odb/oracle/statements-base.hxx | 51 | ||||
| -rw-r--r-- | odb/oracle/view-statements.hxx | 109 | ||||
| -rw-r--r-- | odb/oracle/view-statements.txx | 35 |
12 files changed, 1267 insertions, 0 deletions
diff --git a/odb/oracle/container-statements.hxx b/odb/oracle/container-statements.hxx new file mode 100644 index 0000000..23d2b45 --- /dev/null +++ b/odb/oracle/container-statements.hxx @@ -0,0 +1,274 @@ +// file : odb/oracle/container-statements.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_ORACLE_CONTAINER_STATEMENTS_HXX +#define ODB_ORACLE_CONTAINER_STATEMENTS_HXX + +#include <odb/pre.hxx> + +#include <cstddef> // std::size_t + +#include <odb/forward.hxx> +#include <odb/traits.hxx> + +#include <odb/oracle/version.hxx> +#include <odb/oracle/oracle-types.hxx> +#include <odb/oracle/oracle-fwd.hxx> // sb2 +#include <odb/oracle/statement.hxx> + +#include <odb/oracle/details/export.hxx> + +namespace odb +{ + namespace oracle + { + 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::cond_image_type cond_image_type; + + typedef typename traits::functions_type functions_type; + + typedef oracle::insert_statement insert_statement_type; + typedef oracle::select_statement select_statement_type; + typedef oracle::delete_statement delete_statement_type; + + typedef oracle::connection connection_type; + + container_statements (connection_type&); + + connection_type& + connection () + { + return conn_; + } + + // Functions. + // + functions_type& + functions () + { + return functions_; + } + + // Id image binding (external). + // + const binding& + id_binding () + { + return *id_binding_; + } + + void + id_binding (const binding& b) + { + id_binding_ = &b; + } + + // Condition image. + // + cond_image_type& + cond_image () + { + return cond_image_; + } + + std::size_t + cond_image_version () const + { + return cond_image_version_; + } + + void + cond_image_version (std::size_t v) + { + cond_image_version_ = v; + } + + std::size_t + cond_id_binding_version () const + { + return cond_id_binding_version_; + } + + void + cond_id_binding_version (std::size_t v) + { + cond_id_binding_version_ = v; + } + + binding& + cond_image_binding () + { + return cond_image_binding_; + } + + sb2* + cond_image_indicator () + { + return cond_image_indicator_; + } + + // Data image. + // + data_image_type& + data_image () + { + return data_image_; + } + + std::size_t + data_image_version () const + { + return data_image_version_; + } + + void + data_image_version (std::size_t v) + { + data_image_version_ = v; + } + + std::size_t + data_id_binding_version () const + { + return data_id_binding_version_; + } + + void + data_id_binding_version (std::size_t v) + { + data_id_binding_version_ = v; + } + + binding& + data_image_binding () + { + return data_image_binding_; + } + + sb2* + data_image_indicator () + { + return data_image_indicator_; + } + + // + // Statements. + // + + insert_statement_type& + insert_one_statement () + { + // Containers never use auto ids so hardcode the insert_statement + // constructors returning argument as false. + // + if (insert_one_ == 0) + insert_one_.reset ( + new (details::shared) insert_statement_type ( + conn_, insert_one_text_, data_image_binding_, false)); + + return *insert_one_; + } + + select_statement_type& + select_all_statement () + { + if (select_all_ == 0) + select_all_.reset ( + new (details::shared) select_statement_type ( + conn_, + select_all_text_, + cond_image_binding_, + data_image_binding_, + 4096)); // Hardcode a 4kB LOB prefetch size. + + return *select_all_; + } + + delete_statement_type& + delete_all_statement () + { + if (delete_all_ == 0) + delete_all_.reset ( + new (details::shared) delete_statement_type ( + conn_, delete_all_text_, cond_image_binding_)); + + return *delete_all_; + } + + private: + container_statements (const container_statements&); + container_statements& operator= (const container_statements&); + + protected: + connection_type& conn_; + functions_type functions_; + + const binding* id_binding_; + + cond_image_type cond_image_; + std::size_t cond_image_version_; + std::size_t cond_id_binding_version_; + binding cond_image_binding_; + bind* cond_image_bind_; + sb2* cond_image_indicator_; + + data_image_type data_image_; + std::size_t data_image_version_; + std::size_t data_id_binding_version_; + binding data_image_binding_; + bind* data_image_bind_; + sb2* data_image_indicator_; + + const char* insert_one_text_; + const char* select_all_text_; + const char* delete_all_text_; + + details::shared_ptr<insert_statement_type> insert_one_; + details::shared_ptr<select_statement_type> select_all_; + details::shared_ptr<delete_statement_type> delete_all_; + }; + + // 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 oracle::connection connection_type; + + container_statements_impl (connection_type&); + + private: + container_statements_impl (const container_statements_impl&); + container_statements_impl& operator= (const container_statements_impl&); + + private: + bind cond_image_bind_array_[traits::cond_column_count]; + sb2 cond_image_indicator_array_[traits::cond_column_count]; + + bind data_image_bind_array_[traits::data_column_count]; + sb2 data_image_indicator_array_[traits::data_column_count]; + }; + } +} + +#include <odb/oracle/container-statements.txx> + +#include <odb/post.hxx> + +#endif // ODB_ORACLE_CONTAINER_STATEMENTS_HXX diff --git a/odb/oracle/container-statements.txx b/odb/oracle/container-statements.txx new file mode 100644 index 0000000..e7dcb06 --- /dev/null +++ b/odb/oracle/container-statements.txx @@ -0,0 +1,75 @@ +// file : odb/oracle/container-statements.txx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <cstddef> // std::size_t +#include <cstring> // std::memset + +namespace odb +{ + namespace oracle + { + // container_statements + // + + template <typename T> + container_statements<T>:: + container_statements (connection_type& conn) + : conn_ (conn), + functions_ (this, + &traits::insert_one, + &traits::load_all, + &traits::delete_all), + id_binding_ (0), + cond_image_binding_ (0, 0), // Initialized by impl. + data_image_binding_ (0, 0) // Initialized by impl. + { + cond_image_.version = 0; + cond_image_version_ = 0; + cond_id_binding_version_ = 0; + + data_image_.version = 0; + data_image_version_ = 0; + data_id_binding_version_ = 0; + } + + template <typename T> + container_statements_impl<T>:: + container_statements_impl (connection_type& conn) + : base (conn) + { + this->cond_image_bind_ = cond_image_bind_array_; + this->cond_image_indicator_ = cond_image_indicator_array_; + + this->data_image_bind_ = data_image_bind_array_; + this->data_image_indicator_ = data_image_indicator_array_; + + this->cond_image_binding_.bind = this->cond_image_bind_; + this->cond_image_binding_.count = traits::cond_column_count; + + this->data_image_binding_.bind = this->data_image_bind_; + this->data_image_binding_.count = traits::data_column_count; + + std::memset (cond_image_bind_array_, 0, sizeof (cond_image_bind_array_)); + std::memset (cond_image_indicator_array_, + 0, + sizeof (cond_image_indicator_array_)); + + for (std::size_t i (0); i < traits::cond_column_count; ++i) + cond_image_bind_array_[i].indicator = cond_image_indicator_array_ + i; + + std::memset (data_image_bind_array_, 0, sizeof (data_image_bind_array_)); + std::memset (data_image_indicator_array_, + 0, + sizeof (data_image_indicator_array_)); + + for (std::size_t i (0); i < traits::data_column_count; ++i) + data_image_bind_array_[i].indicator = data_image_indicator_array_ + i; + + this->insert_one_text_ = traits::insert_one_statement; + this->select_all_text_ = traits::select_all_statement; + this->delete_all_text_ = traits::delete_all_statement; + } + } +} diff --git a/odb/oracle/makefile b/odb/oracle/makefile index 7f16e5d..cfa42ae 100644 --- a/odb/oracle/makefile +++ b/odb/oracle/makefile @@ -13,7 +13,9 @@ connection-factory.cxx \ database.cxx \ error.cxx \ exceptions.cxx \ +object-statements.cxx \ statement.cxx \ +statements-base.cxx \ transaction.cxx \ transaction-impl.cxx diff --git a/odb/oracle/object-statements.cxx b/odb/oracle/object-statements.cxx new file mode 100644 index 0000000..fb64823 --- /dev/null +++ b/odb/oracle/object-statements.cxx @@ -0,0 +1,17 @@ +// file : odb/oracle/object-statements.cxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/oracle/object-statements.hxx> + +namespace odb +{ + namespace oracle + { + object_statements_base:: + ~object_statements_base () + { + } + } +} diff --git a/odb/oracle/object-statements.hxx b/odb/oracle/object-statements.hxx new file mode 100644 index 0000000..284bb53 --- /dev/null +++ b/odb/oracle/object-statements.hxx @@ -0,0 +1,414 @@ +// file : odb/oracle/object-statements.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_ORACLE_OBJECT_STATEMENTS_HXX +#define ODB_ORACLE_OBJECT_STATEMENTS_HXX + +#include <odb/pre.hxx> + +#include <vector> +#include <cassert> +#include <cstddef> // std::size_t + +#include <odb/forward.hxx> +#include <odb/traits.hxx> +#include <odb/cache-traits.hxx> + +#include <odb/details/shared-ptr.hxx> + +#include <odb/oracle/version.hxx> +#include <odb/oracle/oracle-types.hxx> +#include <odb/oracle/oracle-fwd.hxx> // sb2 +#include <odb/oracle/statement.hxx> +#include <odb/oracle/statements-base.hxx> + +#include <odb/oracle/details/export.hxx> + +namespace odb +{ + namespace oracle + { + class LIBODB_ORACLE_EXPORT object_statements_base: public statements_base + { + // Locking. + // + public: + void + lock () + { + assert (!locked_); + locked_ = true; + } + + void + unlock () + { + assert (locked_); + locked_ = false; + } + + bool + locked () const + { + return locked_; + } + + public: + virtual + ~object_statements_base (); + + protected: + object_statements_base (connection_type& conn) + : statements_base (conn), locked_ (false) + { + } + + struct auto_unlock + { + // Unlocks the statement on construction and re-locks it on + // destruction. + // + auto_unlock (object_statements_base&); + ~auto_unlock (); + + private: + auto_unlock (const auto_unlock&); + auto_unlock& operator= (const auto_unlock&); + + private: + object_statements_base& s_; + }; + + protected: + bool locked_; + }; + + template <typename T> + class object_statements: public object_statements_base + { + public: + typedef T object_type; + typedef odb::object_traits<object_type> object_traits; + typedef typename object_traits::id_type id_type; + typedef typename object_traits::pointer_type pointer_type; + typedef typename object_traits::image_type image_type; + typedef typename object_traits::id_image_type id_image_type; + + typedef pointer_cache_traits<pointer_type> object_cache_traits; + + typedef + typename object_traits::container_statement_cache_type + container_statement_cache_type; + + typedef oracle::insert_statement persist_statement_type; + typedef oracle::select_statement find_statement_type; + typedef oracle::update_statement update_statement_type; + typedef oracle::delete_statement erase_statement_type; + + // Automatic lock. + // + struct auto_lock + { + // Lock the statements unless they are already locked in which + // case subsequent calls to locked() will return false. + // + auto_lock (object_statements&); + + // Unlock the statements if we are holding the lock and clear + // the delayed loads. This should only happen in case an + // exception is thrown. In normal circumstances, the user + // should call unlock() explicitly. + // + ~auto_lock (); + + // Return true if this auto_lock instance holds the lock. + // + bool + locked () const; + + // Unlock the statements. + // + void + unlock (); + + private: + auto_lock (const auto_lock&); + auto_lock& operator= (const auto_lock&); + + private: + object_statements& s_; + bool locked_; + }; + + public: + object_statements (connection_type&); + + virtual + ~object_statements (); + + // Delayed loading. + // + void + delay_load (const id_type& id, + object_type& obj, + const typename object_cache_traits::position_type& p) + { + delayed_.push_back (delayed_load (id, obj, p)); + } + + void + load_delayed () + { + assert (locked ()); + + if (!delayed_.empty ()) + load_delayed_ (); + } + + void + clear_delayed () + { + if (!delayed_.empty ()) + clear_delayed_ (); + } + + // Object image. + // + image_type& + image () + { + return image_; + } + + std::size_t + in_image_version () const + { + return in_image_version_; + } + + std::size_t + out_image_version () const + { + return out_image_version_; + } + + void + in_image_version (std::size_t v) + { + in_image_version_ = v; + } + + void + out_image_version (std::size_t v) + { + out_image_version_ = v; + } + + binding& + in_image_binding () + { + return in_image_binding_; + } + + sb2* + in_image_indicator () + { + return in_image_indicator_; + } + + binding& + out_image_binding () + { + return out_image_binding_; + } + + sb2* + out_image_indicator () + { + return out_image_indicator_; + } + + // Object id image. + // + id_image_type& + id_image () + { + return id_image_; + } + + std::size_t + id_image_version () const + { + return id_image_version_; + } + + void + id_image_version (std::size_t v) + { + id_image_version_ = v; + } + + 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, + in_image_binding_, + object_traits::auto_id)); + + 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_, + out_image_binding_, + 4096)); // Hardcode a 4kB LOB prefetch size. + + 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_, + in_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: + void + load_delayed_ (); + + void + clear_delayed_ (); + + private: + container_statement_cache_type container_statement_cache_; + + image_type image_; + + // In (send) binding. The last element is the id parameter. + // + std::size_t in_image_version_; + binding in_image_binding_; + bind in_image_bind_[object_traits::in_column_count + 1]; + sb2 in_image_indicator_[object_traits::in_column_count + 1]; + + // Out (receive) binding. + // + std::size_t out_image_version_; + binding out_image_binding_; + bind out_image_bind_[object_traits::out_column_count]; + sb2 out_image_indicator_[object_traits::out_column_count]; + + // Id image binding (in only) + // + id_image_type id_image_; + std::size_t id_image_version_; + 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_; + + // Delayed loading. + // + struct delayed_load + { + typedef typename object_cache_traits::position_type position_type; + + delayed_load () {} + delayed_load (const id_type& i, object_type& o, const position_type& p) + : id (i), obj (&o), pos (p) + { + } + + id_type id; + object_type* obj; + position_type pos; + }; + + typedef std::vector<delayed_load> delayed_loads; + delayed_loads delayed_; + + // Delayed vectors swap guard. See the load_delayed_() function for + // details. + // + struct swap_guard + { + swap_guard (object_statements& os, delayed_loads& dl) + : os_ (os), dl_ (dl) + { + dl_.swap (os_.delayed_); + } + + ~swap_guard () + { + os_.clear_delayed (); + dl_.swap (os_.delayed_); + } + + private: + object_statements& os_; + delayed_loads& dl_; + }; + }; + } +} + +#include <odb/oracle/object-statements.ixx> +#include <odb/oracle/object-statements.txx> + +#include <odb/post.hxx> + +#endif // ODB_ORACLE_OBJECT_STATEMENTS_HXX diff --git a/odb/oracle/object-statements.ixx b/odb/oracle/object-statements.ixx new file mode 100644 index 0000000..0121bd8 --- /dev/null +++ b/odb/oracle/object-statements.ixx @@ -0,0 +1,70 @@ +// file : odb/oracle/object-statements.ixx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +namespace odb +{ + namespace oracle + { + // + // auto_unlock + // + inline object_statements_base::auto_unlock:: + auto_unlock (object_statements_base& s) + : s_ (s) + { + s_.unlock (); + } + + inline object_statements_base::auto_unlock:: + ~auto_unlock () + { + s_.lock (); + } + + // + // auto_lock + // + template <typename T> + inline object_statements<T>::auto_lock:: + auto_lock (object_statements& s) + : s_ (s) + { + if (!s_.locked ()) + { + s_.lock (); + locked_ = true; + } + else + locked_ = false; + } + + template <typename T> + inline object_statements<T>::auto_lock:: + ~auto_lock () + { + if (locked_) + { + s_.unlock (); + s_.clear_delayed (); + } + } + + template <typename T> + inline bool object_statements<T>::auto_lock:: + locked () const + { + return locked_; + } + + template <typename T> + inline void object_statements<T>::auto_lock:: + unlock () + { + assert (locked_); + s_.unlock (); + locked_ = false; + } + } +} diff --git a/odb/oracle/object-statements.txx b/odb/oracle/object-statements.txx new file mode 100644 index 0000000..c3c5531 --- /dev/null +++ b/odb/oracle/object-statements.txx @@ -0,0 +1,118 @@ +// file : odb/oracle/object-statements.txx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <cstddef> // std::size_t +#include <cstring> // std::memset + +#include <odb/session.hxx> +#include <odb/callback.hxx> +#include <odb/exceptions.hxx> + +#include <odb/oracle/connection.hxx> + +namespace odb +{ + namespace oracle + { + template <typename T> + object_statements<T>:: + ~object_statements () + { + } + + template <typename T> + object_statements<T>:: + object_statements (connection_type& conn) + : object_statements_base (conn), + container_statement_cache_ (conn), + in_image_binding_ (in_image_bind_, object_traits::in_column_count), + out_image_binding_ (out_image_bind_, object_traits::out_column_count), + id_image_binding_ (in_image_bind_ + object_traits::in_column_count, 1) + { + image_.version = 0; + in_image_version_ = 0; + out_image_version_ = 0; + + id_image_.version = 0; + id_image_version_ = 0; + + std::memset (in_image_bind_, 0, sizeof (in_image_bind_)); + std::memset (in_image_indicator_, 0, sizeof (in_image_indicator_)); + std::memset (out_image_bind_, 0, sizeof (out_image_bind_)); + std::memset (out_image_indicator_, 0, sizeof (out_image_indicator_)); + + for (std::size_t i (0); i < object_traits::in_column_count + 1; ++i) + in_image_bind_[i].indicator = in_image_indicator_ + i; + + for (std::size_t i (0); i < object_traits::out_column_count; ++i) + out_image_bind_[i].indicator = out_image_indicator_ + i; + } + + template <typename T> + void object_statements<T>:: + load_delayed_ () + { + database& db (connection ().database ()); + + delayed_loads dls; + swap_guard sg (*this, dls); + + while (!dls.empty ()) + { + delayed_load l (dls.back ()); + typename object_cache_traits::insert_guard g (l.pos); + dls.pop_back (); + + if (!object_traits::find_ (*this, l.id)) + throw object_not_persistent (); + + object_traits::callback (db, *l.obj, callback_event::pre_load); + + // Our calls to init/load below can result in additional delayed + // loads being added to the delayed_ vector. We need to process + // those before we call the post callback. + // + object_traits::init (*l.obj, image (), db); + object_traits::load_ (*this, *l.obj); // Load containers, etc. + + if (!delayed_.empty ()) + load_delayed_ (); + + // Temporarily unlock the statement for the post_load call so that + // it can load objects of this type recursively. This is safe to do + // because we have completely loaded the current object. Also the + // delayed_ list is clear before the unlock and should be clear on + // re-lock (since a callback can only call public API functions + // which will make sure all the delayed loads are processed before + // returning). + // + { + auto_unlock u (*this); + object_traits::callback (db, *l.obj, callback_event::post_load); + } + + g.release (); + } + } + + template <typename T> + void object_statements<T>:: + clear_delayed_ () + { + // Remove the objects from the session cache. + // + if (session::has_current ()) + { + for (typename delayed_loads::iterator i (delayed_.begin ()), + e (delayed_.end ()); i != e; ++i) + { + object_cache_traits::erase (i->pos); + } + } + + delayed_.clear (); + } + } +} diff --git a/odb/oracle/statement-cache.hxx b/odb/oracle/statement-cache.hxx new file mode 100644 index 0000000..50b0744 --- /dev/null +++ b/odb/oracle/statement-cache.hxx @@ -0,0 +1,85 @@ +// file : odb/oracle/statement-cache.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_ORACLE_STATEMENT_CACHE_HXX +#define ODB_ORACLE_STATEMENT_CACHE_HXX + +#include <odb/pre.hxx> + +#include <map> +#include <typeinfo> + +#include <odb/forward.hxx> + +#include <odb/oracle/version.hxx> +#include <odb/oracle/statements-base.hxx> +#include <odb/oracle/object-statements.hxx> +#include <odb/oracle/view-statements.hxx> + +#include <odb/details/shared-ptr.hxx> +#include <odb/details/type-info.hxx> + +#include <odb/oracle/details/export.hxx> + +namespace odb +{ + namespace oracle + { + class connection; + + class LIBODB_ORACLE_EXPORT statement_cache + { + public: + statement_cache (connection& conn) + : conn_ (conn) + { + } + + template <typename T> + object_statements<T>& + find_object () + { + map::iterator i (map_.find (&typeid (T))); + + if (i != map_.end ()) + return static_cast<object_statements<T>&> (*i->second); + + details::shared_ptr<object_statements<T> > p ( + new (details::shared) object_statements<T> (conn_)); + + map_.insert (map::value_type (&typeid (T), p)); + return *p; + } + + template <typename T> + view_statements<T>& + find_view () + { + map::iterator i (map_.find (&typeid (T))); + + if (i != map_.end ()) + return static_cast<view_statements<T>&> (*i->second); + + details::shared_ptr<view_statements<T> > p ( + new (details::shared) view_statements<T> (conn_)); + + map_.insert (map::value_type (&typeid (T), p)); + return *p; + } + + private: + typedef std::map<const std::type_info*, + details::shared_ptr<statements_base>, + details::type_info_comparator> map; + + connection& conn_; + map map_; + }; + } +} + +#include <odb/post.hxx> + +#endif // ODB_ORACLE_STATEMENT_CACHE_HXX diff --git a/odb/oracle/statements-base.cxx b/odb/oracle/statements-base.cxx new file mode 100644 index 0000000..3a33540 --- /dev/null +++ b/odb/oracle/statements-base.cxx @@ -0,0 +1,17 @@ +// file : odb/oracle/statements-base.cxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <odb/oracle/statements-base.hxx> + +namespace odb +{ + namespace oracle + { + statements_base:: + ~statements_base () + { + } + } +} diff --git a/odb/oracle/statements-base.hxx b/odb/oracle/statements-base.hxx new file mode 100644 index 0000000..7f63d3e --- /dev/null +++ b/odb/oracle/statements-base.hxx @@ -0,0 +1,51 @@ +// file : odb/oracle/statements-base.hxx +// author : Constantin Michael <constantin@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_ORACLE_STATEMENTS_BASE_HXX +#define ODB_ORACLE_STATEMENTS_BASE_HXX + +#include <odb/pre.hxx> + +#include <odb/details/shared-ptr.hxx> + +#include <odb/oracle/version.hxx> +#include <odb/oracle/forward.hxx> // connection + +#include <odb/oracle/details/export.hxx> + +namespace odb +{ + namespace oracle + { + class LIBODB_ORACLE_EXPORT statements_base: public details::shared_base + { + public: + typedef oracle::connection connection_type; + + connection_type& + connection () + { + return conn_; + } + + public: + virtual + ~statements_base (); + + protected: + statements_base (connection_type& conn) + : conn_ (conn) + { + } + + protected: + connection_type& conn_; + }; + } +} + +#include <odb/post.hxx> + +#endif // ODB_ORACLE_STATEMENTS_BASE_HXX diff --git a/odb/oracle/view-statements.hxx b/odb/oracle/view-statements.hxx new file mode 100644 index 0000000..4dde079 --- /dev/null +++ b/odb/oracle/view-statements.hxx @@ -0,0 +1,109 @@ +// file : odb/oracle/view-statements.hxx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_ORACLE_VIEW_STATEMENTS_HXX +#define ODB_ORACLE_VIEW_STATEMENTS_HXX + +#include <odb/pre.hxx> + +#include <cstddef> // std::size_t + +#include <odb/forward.hxx> +#include <odb/traits.hxx> + +#include <odb/details/shared-ptr.hxx> + +#include <odb/oracle/oracle-types.hxx> +#include <odb/oracle/version.hxx> +#include <odb/oracle/statement.hxx> +#include <odb/oracle/statements-base.hxx> + +namespace odb +{ + namespace oracle + { + template <typename T> + class view_statements: public statements_base + { + public: + typedef T view_type; + typedef odb::view_traits<view_type> view_traits; + typedef typename view_traits::pointer_type pointer_type; + typedef typename view_traits::image_type image_type; + + typedef oracle::select_statement query_statement_type; + + public: + view_statements (connection_type&); + + virtual + ~view_statements (); + + // View image. + // + image_type& + image () + { + return image_; + } + + std::size_t + image_version () const + { + return image_version_; + } + + void + image_version (std::size_t v) + { + image_version_ = v; + } + + binding& + image_binding () + { + return image_binding_; + } + + sb2* + image_indicator () + { + return image_indicator_; + } + + query_statement_type& + query_statement () + { + if (query_ == 0) + query_.reset ( + new (details::shared) query_statement_type ( + conn_, + view_traits::query_statement, + image_binding_)); + + return *query_; + } + + private: + view_statements (const view_statements&); + view_statements& operator= (const view_statements&); + + private: + image_type image_; + std::size_t image_version_; + binding image_binding_; + bind image_bind_[view_traits::column_count]; + sb2 image_indicator_[view_traits::column_count]; + + details::shared_ptr<query_statement_type> query_; + }; + } +} + +#include <odb/oracle/view-statements.txx> + +#include <odb/post.hxx> + +#endif // ODB_ORACLE_VIEW_STATEMENTS_HXX diff --git a/odb/oracle/view-statements.txx b/odb/oracle/view-statements.txx new file mode 100644 index 0000000..7f7b4c3 --- /dev/null +++ b/odb/oracle/view-statements.txx @@ -0,0 +1,35 @@ +// file : odb/oracle/view-statements.txx +// author : Boris Kolpackov <boris@codesynthesis.com> +// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#include <cstddef> // std::size_t +#include <cstring> // std::memset + +namespace odb +{ + namespace oracle + { + template <typename T> + view_statements<T>:: + ~view_statements () + { + } + + template <typename T> + view_statements<T>:: + view_statements (connection_type& conn) + : statements_base (conn), + image_binding_ (image_bind_, view_traits::column_count) + { + image_.version = 0; + image_version_ = 0; + + std::memset (image_bind_, 0, sizeof (image_bind_)); + std::memset (image_indicator_, 0, sizeof (image_indicator_)); + + for (std::size_t i (0) i < view_traits::column_count; ++i) + image_bind_[i].indicator = image_indicator_ + i; + } + } +} |