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secondo/Algebras/Distributed/DServerCmdWrite.h
2026-01-23 17:03:45 +08:00

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/*
----
This file is part of SECONDO.
Copyright (C) 2012, University in Hagen, Department of 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
----
//paragraph [1] Title: [{\Large \bf \begin{center}] [\end{center}}]
//paragraph [10] Footnote: [{\footnote{] [}}]
//[TOC] [\tableofcontents]
//[_] [\_]
//[&] [\&]
//[x] [\ensuremath{\times}]
//[->] [\ensuremath{\rightarrow}]
//[>] [\ensuremath{>}]
//[<] [\ensuremath{<}]
//[ast] [\ensuremath{\ast}]
*/
/*
[1] Class DServerCmdWrite Definition
\begin{center}
April 2012 Thomas Achmann
\end{center}
[TOC]
0 Description
The class ~DServerCmdWrite~ writes the data of an DArray of atomic values
and stores it on the workres.
The class ~DServerCmdWriteParam~ is a data class for the parameters used
during the execution of a ~DServerCmdWrite~ object.
*/
/*
1 Preliminaries
1.1 Defines
*/
#ifndef H_DSERVERCMDWRITE_H
#define H_DSERVERCMDWRITE_H
/*
1.2 Includes
*/
#include "DServerCmd.h"
/*
2 Class ~DServerCmdWriteParam~
The class ~DServerCmdWriteParam~ contains the parameters used in
the ~run~ - method of the class ~DServerCmdWrite~.
* derives from class ~DServerParam~
Provided parameters:
* vector[<]Word[>][ast] m[_]outElements - pointer to the global
storage container for the elements of this darray
*/
class DServerCmdWriteParam
: public DServerParam
{
/*
2.1 Private Default Constructor
* may not be used!
*/
DServerCmdWriteParam() {}
/*
2.2 Constructor
used, if multiple indexes are transferred
* vector[<]Word[>][ast] outElements - pointer to the global
storage container for the elements of this darray
*/
public:
DServerCmdWriteParam(vector<Word>* inElements)
: DServerParam()
, m_inElements(inElements) {}
/*
2.4 Copy - Constructor
*/
DServerCmdWriteParam(const DServerCmdWriteParam & inP)
: DServerParam(inP)
, m_inElements(inP.m_inElements) {}
/*
2.5 Destructor
*/
virtual ~DServerCmdWriteParam() {}
/*
2.6 Getter Methods
2.6.1 Method ~vector[<]Word[>][ast] getinElements const~
* returns vector[<]Word[>][ast] - pointer to the global storage array
*/
vector<Word>* getInElements() const { return m_inElements; }
/*
2.6.2 Method ~bool useChilds() const~
* not using childs, we are fast enough
*/
bool useChilds() const { return false; }
/*
2.6 Private Section
*/
private:
/*
2.6.1 Private Methods
*/
/*
2.6.1 Private Members
*/
vector<Word>* m_inElements;
/*
2.7 End of Class
*/
};
/*
3 Class ~DServerCmdWrite~
The class ~DServerCmdWrite~ provides the functionality of writing data of
atomic DArray elements to the workers
* derives from the class ~DServerCmd~
*/
class DServerCmdWrite
: public DServerCmd
{
/*
3.1 Private Default Constructor
* inherited from the class ~DServerCmd~
* may not be used!
*/
public:
/*
3.1 Constructor
*/
DServerCmdWrite()
: DServerCmd(DServerCmd::DS_CMD_WRITE)
{}
/*
3.2 Destructor
*/
virtual ~DServerCmdWrite() {}
/*
3.3 Getter Methods
3.3.1 Method ~vector[<]Word[>][ast] getOutElements const~
* returns vector[<]Word[>][ast] - pointer to the global storage array
*/
vector<Word>* getInElements() const
{
const DServerCmdWriteParam *p =
DServerCmd::getParam<DServerCmdWriteParam>() ;
return p -> getInElements();
}
/*
3.3.5 Method ~string getInfo const~
* returns string - an informaiton string
*/
string getInfo() const
{
return string("CMD-Write to:" + getWorker() -> getName() +
getIndexStr());
}
/*
3.4 Running
3.4.1 Method ~void run~
method definition
*/
void run();
/*
3.5 Private Section
*/
private:
/*
3.5.1 Private Methods
*/
// n/a
/*
3.5.2 Private Members
*/
// n/a
/*
3.6 End of Class
*/
};
#endif // H_DSERVERCMDWRITE_H