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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Marcus Eriksson
*
* Authors:
*
* Marcus Eriksson <krummas@gmail.com>
*
* 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; either version 2 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 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
*/
#pragma once
#include <drizzled/replication_services.h>
#include <drizzled/plugin/transaction_applier.h>
#include <string>
#include "rabbitmq_handler.h"
namespace drizzle_plugin
{
/**
* @brief
* A TransactionApplier that sends the transactions to rabbitmq
* (or any AMQP 0-8 compliant message queue)
*
* @details
* Connects to rabbitmq server in constructor, publishes messages
* in apply(...). If error occurs, the plugin disables itself.
*/
class RabbitMQLog :
public drizzled::plugin::TransactionApplier
{
private:
RabbitMQHandler* _rabbitMQHandler;
const std::string _exchange;
const std::string _routingkey;
public:
/**
* @brief
* Constructs a new RabbitMQLog.
*
* @details
* Takes an instance of RabbitMHandler and uses that for rabbitmq communication
*
* @param[in] mqHandler name of the plugin, typically rabbitmq_log.
*/
RabbitMQLog(const std::string &name,
const std::string &exchange,
const std::string &routingkey,
RabbitMQHandler* mqHandler);
~RabbitMQLog();
/**
* @brief
* Serializes the transaction and uses a RabbiMQHandler to publish the message.
*
* @details
* Serializes the protobuf transaction and drops it on rabbitmq
*
* @param[in] to_apply the transaction to send
*/
drizzled::plugin::ReplicationReturnCode
apply(drizzled::Session &session, const drizzled::message::Transaction &to_apply);
};
} /* namespace drizzle_plugin */
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