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// file : odb/sqlite/connection.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_SQLITE_CONNECTION_HXX
#define ODB_SQLITE_CONNECTION_HXX
#include <odb/pre.hxx>
#include <sqlite3.h>
#include <memory> // std::auto_ptr
#include <odb/forward.hxx>
#include <odb/connection.hxx>
#include <odb/details/mutex.hxx>
#include <odb/details/condition.hxx>
#include <odb/details/shared-ptr.hxx>
#include <odb/sqlite/version.hxx>
#include <odb/sqlite/forward.hxx>
#include <odb/sqlite/transaction-impl.hxx>
#include <odb/sqlite/details/export.hxx>
namespace odb
{
namespace sqlite
{
class statement;
class statement_cache;
class connection;
typedef details::shared_ptr<connection> connection_ptr;
class LIBODB_SQLITE_EXPORT connection: public odb::connection
{
public:
typedef sqlite::statement_cache statement_cache_type;
typedef sqlite::database database_type;
virtual
~connection ();
connection (database_type&, int extra_flags = 0);
database_type&
database ()
{
return db_;
}
public:
virtual transaction_impl*
begin ();
transaction_impl*
begin_immediate ();
transaction_impl*
begin_exclusive ();
public:
using odb::connection::execute;
virtual unsigned long long
execute (const char* statement, std::size_t length);
public:
sqlite3*
handle ()
{
return handle_;
}
statement_cache_type&
statement_cache ()
{
return *statement_cache_;
}
// Wait for the locks to be released via unlock notification. Can
// be called after getting SQLITE_LOCKED_SHAREDCACHE.
//
void
wait ();
public:
// Reset active and finalize uncached statements.
//
void
clear ();
private:
connection (const connection&);
connection& operator= (const connection&);
private:
database_type& db_;
sqlite3* handle_;
// Unlock notification machinery.
//
private:
bool unlocked_;
details::mutex unlock_mutex_;
details::condition unlock_cond_;
friend void
connection_unlock_callback (void**, int);
// Linked list of active and uncached statements currently associated
// with this connection.
//
private:
friend class statement;
statement* statements_;
std::auto_ptr<statement_cache_type> statement_cache_;
};
}
}
#include <odb/post.hxx>
#endif // ODB_SQLITE_CONNECTION_HXX
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