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/*
* connection.cc
*
* Copyright (C) 2009 Tim Marston <tim@ed.am>
*
* This file is part of sqlite3cc (hereafter referred to as "this program").
* See http://ed.am/dev/sqlite3cc for more information.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sqlite3cc/connection.h>
#include <sqlite3cc/exception.h>
#include <sqlite3cc/command.h>
#include <sqlite3cc/query.h>
sqlite::connection::mutex_guard::mutex_guard(
connection &connection )
:
_mutex( sqlite3_db_mutex( connection._handle ) )
{
if( _mutex ) sqlite3_mutex_enter( _mutex );
}
sqlite::connection::mutex_guard::~mutex_guard()
{
leave();
}
void sqlite::connection::mutex_guard::leave()
{
if( _mutex ) {
sqlite3_mutex_leave( _mutex );
_mutex = NULL;
}
}
sqlite::connection::connection(
const std::string &filename )
:
_handle( NULL )
{
int code = open( filename );
if( code != SQLITE_OK ) throw sqlite_error( *this, code );
}
sqlite::connection::connection()
:
_handle( NULL )
{
}
sqlite::connection::~connection()
{
close();
}
int sqlite::connection::open(
const std::string &filename,
int flags )
{
close();
return sqlite3_open_v2( filename.c_str(), &_handle, flags, NULL );
}
void sqlite::connection::close()
{
if( _handle ) {
sqlite3_close( _handle );
_handle = NULL;
}
}
void sqlite::connection::exec(
const std::string &sql )
{
int code = sqlite3_exec( _handle, sql.c_str(), NULL, NULL, NULL );
if( code != SQLITE_OK ) throw sqlite_error( *this, code );
}
int sqlite::connection::busy_timeout(
int duration )
{
return sqlite3_busy_timeout( _handle, duration );
}
boost::shared_ptr< sqlite::command > sqlite::connection::make_command(
std::string sql )
{
return boost::shared_ptr< sqlite::command >(
new sqlite::command( *this, sql ) );
}
boost::shared_ptr< sqlite::query > sqlite::connection::make_query(
std::string sql )
{
return boost::shared_ptr< sqlite::query >(
new sqlite::query( *this, sql ) );
}
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