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Diffstat (limited to 'odb/odb/semantics/relational/key.hxx')
-rw-r--r-- | odb/odb/semantics/relational/key.hxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/odb/odb/semantics/relational/key.hxx b/odb/odb/semantics/relational/key.hxx new file mode 100644 index 0000000..814d2ec --- /dev/null +++ b/odb/odb/semantics/relational/key.hxx @@ -0,0 +1,104 @@ +// file : odb/semantics/relational/key.hxx +// license : GNU GPL v3; see accompanying LICENSE file + +#ifndef ODB_SEMANTICS_RELATIONAL_KEY_HXX +#define ODB_SEMANTICS_RELATIONAL_KEY_HXX + +#include <odb/semantics/relational/elements.hxx> +#include <odb/semantics/relational/table.hxx> + +namespace semantics +{ + namespace relational + { + class key; + class column; + + class contains: public edge + { + public: + typedef relational::key key_type; + typedef relational::column column_type; + + key_type& + key () const {return *key_;} + + column_type& + column () const {return *column_;} + + string const& + options () const {return options_;} + + public: + contains (string const& o = string ()) : options_ (o) {} + + void + set_left_node (key_type& n) + { + key_ = &n; + } + + void + set_right_node (column_type& n) + { + column_ = &n; + } + + protected: + key_type* key_; + column_type* column_; + string options_; + }; + + class key: public unameable + { + typedef std::vector<contains*> contains_list; + + public: + typedef contains_list::size_type contains_size_type; + + typedef + pointer_iterator<contains_list::const_iterator> + contains_iterator; + + contains_iterator + contains_begin () const {return contains_.begin ();} + + contains_iterator + contains_end () const {return contains_.end ();} + + contains_size_type + contains_size () const {return contains_.size ();} + + contains& + contains_at (contains_size_type i) const {return *contains_[i];} + + public: + typedef relational::table table_type; + + table_type& + table () const {return dynamic_cast<table_type&> (scope ());} + + public: + key (std::string const& id): unameable (id) {} + + void + add_edge_left (contains& e) + { + contains_.push_back (&e); + } + + protected: + key (key const&, uscope&, graph&); + key (xml::parser&, uscope&, graph&); + + void + serialize_content (xml::serializer&) const; + + private: + contains_list contains_; + }; + } +} + +#endif // ODB_SEMANTICS_RELATIONAL_KEY_HXX |