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/*
* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TRANSACTION_H
#define _TRANSACTION_H
#include "SQLOperation.h"
#include "StringFormat.h"
//- Forward declare (don't include header to prevent circular includes)
class PreparedStatement;
/*! Transactions, high level class. */
class Transaction
{
friend class TransactionTask;
friend class MySQLConnection;
template <typename T>
friend class DatabaseWorkerPool;
public:
Transaction() : _cleanedUp(false) { }
~Transaction() { Cleanup(); }
void Append(PreparedStatement* statement);
void Append(const char* sql);
template<typename Format, typename... Args>
void PAppend(Format&& sql, Args&&... args)
{
Append(Trinity::StringFormat(std::forward<Format>(sql), std::forward<Args>(args)...).c_str());
}
size_t GetSize() const { return m_queries.size(); }
protected:
void Cleanup();
std::list<SQLElementData> m_queries;
private:
bool _cleanedUp;
};
typedef std::shared_ptr<Transaction> SQLTransaction;
/*! Low level class*/
class TransactionTask : public SQLOperation
{
template <class T> friend class DatabaseWorkerPool;
friend class DatabaseWorker;
public:
TransactionTask(SQLTransaction trans) : m_trans(trans) { }
~TransactionTask() { }
protected:
bool Execute() override;
SQLTransaction m_trans;
static std::mutex _deadlockLock;
};
#endif
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