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// file : odb/oracle/statement-cache.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : ODB NCUEL; 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>
typename object_statements_selector<T>::type&
find_object ()
{
typedef typename object_statements_selector<T>::type object_statements;
map::iterator i (map_.find (&typeid (T)));
if (i != map_.end ())
return static_cast<object_statements&> (*i->second);
details::shared_ptr<object_statements> p (
new (details::shared) object_statements (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
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