133 lines
2.8 KiB
C++
133 lines
2.8 KiB
C++
|
/*
|
||
|
|
----
|
||
|
|
This file is part of SECONDO.
|
||
|
|
|
||
|
|
Copyright (C) 2015,
|
||
|
|
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
|
||
|
|
----
|
||
|
|
|
||
|
|
|
||
|
|
//[$][\$]
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "DInputConsumer.h"
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
using namespace distributed2;
|
||
|
|
|
||
|
|
namespace distributed5
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
1 DInputConsumer
|
||
|
|
|
||
|
|
1.1 Constructor
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
DInputConsumer::DInputConsumer(DInputConsumer &&move)
|
||
|
|
{
|
||
|
|
workers = move.workers;
|
||
|
|
move.workers = 0;
|
||
|
|
dArray = move.dArray;
|
||
|
|
move.dArray = 0;
|
||
|
|
stream = move.stream;
|
||
|
|
move.stream = 0;
|
||
|
|
workerIndex = move.workerIndex;
|
||
|
|
index = move.index;
|
||
|
|
storageType = move.storageType;
|
||
|
|
contentType = move.contentType;
|
||
|
|
}
|
||
|
|
|
||
|
|
DInputConsumer::DInputConsumer(DArrayBase *dArray, ListExpr contentType)
|
||
|
|
{
|
||
|
|
this->stream = 0;
|
||
|
|
this->workers = &dArray->getWorker();
|
||
|
|
workerIndex = 0;
|
||
|
|
this->dArray = dArray;
|
||
|
|
this->contentType = contentType;
|
||
|
|
index = 0;
|
||
|
|
storageType = DataStorageType::Object;
|
||
|
|
if (dArray->getType() == arrayType::DFARRAY)
|
||
|
|
storageType = DataStorageType::File;
|
||
|
|
}
|
||
|
|
|
||
|
|
DInputConsumer::DInputConsumer(Word &stream)
|
||
|
|
{
|
||
|
|
this->workers = 0;
|
||
|
|
this->dArray = 0;
|
||
|
|
this->stream = new Stream<Task>(stream);
|
||
|
|
this->stream->open();
|
||
|
|
}
|
||
|
|
|
||
|
|
DInputConsumer::~DInputConsumer()
|
||
|
|
{
|
||
|
|
if (this->stream)
|
||
|
|
{
|
||
|
|
delete this->stream;
|
||
|
|
this->stream = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
1.2 request Methode
|
||
|
|
|
||
|
|
*/
|
||
|
|
Task *DInputConsumer::request()
|
||
|
|
{
|
||
|
|
if (workers)
|
||
|
|
{
|
||
|
|
Task *result = new WorkerTask((*workers)[workerIndex]);
|
||
|
|
workerIndex++;
|
||
|
|
if (workerIndex >= workers->size())
|
||
|
|
{
|
||
|
|
workers = 0;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
if (dArray)
|
||
|
|
{
|
||
|
|
Task *result = new DataTask(
|
||
|
|
dArray->getWorkerForSlot(index),
|
||
|
|
dArray->getName(),
|
||
|
|
index,
|
||
|
|
storageType,
|
||
|
|
contentType);
|
||
|
|
result->setFlag(Output);
|
||
|
|
index++;
|
||
|
|
if (index >= dArray->getSize())
|
||
|
|
{
|
||
|
|
dArray = 0;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
if (stream)
|
||
|
|
{
|
||
|
|
Task *result = stream->request();
|
||
|
|
if (result == 0)
|
||
|
|
{
|
||
|
|
delete stream;
|
||
|
|
stream = 0;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace distributed5
|