mysql5/mysql-5.7.27/client/dump/abstract_connection_provider.cc

61 lines
2.1 KiB
C++

/*
Copyright (c) 2015, 2016 Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "abstract_connection_provider.h"
#include "instance_callback.h"
using namespace Mysql::Tools::Dump;
int64 Abstract_connection_provider::Message_handler_wrapper::pass_message(
const Mysql::Tools::Base::Message_data& message)
{
if (m_message_handler != NULL)
{
return (*m_message_handler)(message) ? -1 : 0;
}
return 0;
}
Abstract_connection_provider::Message_handler_wrapper::Message_handler_wrapper(
Mysql::I_callable<bool, const Mysql::Tools::Base::Message_data&>*
message_handler)
: m_message_handler(message_handler)
{}
Mysql::Tools::Base::Mysql_query_runner*
Abstract_connection_provider::create_new_runner(
Mysql::I_callable<bool, const Mysql::Tools::Base::Message_data&>*
message_handler)
{
MYSQL* connection= m_connection_factory->create_connection();
Message_handler_wrapper* message_wrapper=
new Message_handler_wrapper(message_handler);
I_callable<int64, const Mysql::Tools::Base::Message_data&>* callback
= new Mysql::Instance_callback_own<
int64, const Mysql::Tools::Base::Message_data&,
Message_handler_wrapper>(
message_wrapper, &Message_handler_wrapper::pass_message);
return &((new Mysql::Tools::Base::Mysql_query_runner(connection))
->add_message_callback(callback));
}
Abstract_connection_provider::Abstract_connection_provider(
Mysql::Tools::Base::I_connection_factory* connection_factory)
: m_connection_factory(connection_factory)
{}