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secondo/Algebras/DBService2/TriggerReplicaDeletionRunnable.hpp

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2026-01-23 17:03:45 +08:00
/*
1.1 ~TriggerReplicaDeletionRunnable~
This class is used to trigger the deletion of a replica in a separate thread.
----
This file is part of SECONDO.
Copyright (C) 2017,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO 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.
SECONDO 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 SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
----
*/
#ifndef ALGEBRAS_DBSERVICE_COMMUNICATIONTriggerReplicaDeletionRunnable_HPP_
#define ALGEBRAS_DBSERVICE_COMMUNICATIONTriggerReplicaDeletionRunnable_HPP_
#include <boost/thread.hpp>
/*
1.1.1 Class Definition
*/
namespace DBService {
class TriggerReplicaDeletionRunnable {
/*
1.1.1.1 Constructor
*/
public:
TriggerReplicaDeletionRunnable(
std::string dbServiceWorkerHost,
int dbServiceWorkerCommPort,
const std::string& _database,
const std::string& relation,
const std::string& derivate);
/*
1.1.1.1 Destructor
*/
~TriggerReplicaDeletionRunnable();
/*
1.1.1.1 ~run~
This function creates a separate thread in which the deletion of a replica can
be triggered.
*/
void run();
/*
1.1.1.1 ~createClient~
This function is passed to the new thread. It creates and runs a
~CommunicationClient~ which contacts the ~CommunicationServer~ running on the
~DBService~ worker node that holds the replica that shall be deleted.
*/
private:
void createClient(
std::string dbServiceWorkerHost,
int dbServiceWorkerCommPort,
const std::string& database,
const std::string& relation,
const std::string& derivate);
/*
1.1.1.1 ~runner~
Stores a pointer to the created thread.
*/
boost::thread* runner;
/*
1.1.1.1 ~dbServiceWorkerHost~
Stores the host name of the ~DBService~ worker that holds the replica.
*/
std::string dbServiceWorkerHost;
/*
1.1.1.1 ~dbServiceWorkerCommPort~
Stores the communication port of the ~DBService~ worker that holds the replica.
*/
int dbServiceWorkerCommPort;
/*
1.1.1.1 ~relID~
Stores the identifier of the relation that shall be deleted.
*/
std::string database;
std::string relation;
std::string derivate;
};
} /* namespace DBService */
#endif /* ALGEBRAS_DBSERVICE_COMMUNICATIONTriggerReplicaDeletionRunnable_HPP_ */