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/*
* Copyright (C) 2013-2015, 2019 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify
* it under the terms of version 3 of the GNU Lesser General Public
* License (LGPLv3) as published by the Free Software Foundation.
*
* Konclude 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 (Lesser) General Public License for more details.
*
* You should have received a copy of the GNU (Lesser) General Public
* License along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "CPreconditionSynchronizer.h"
namespace Konclude {
namespace Control {
namespace Command {
CPreconditionSynchronizer::CPreconditionSynchronizer(CCommandDelegater *commandDelegater) : CThread("CommandPreconditionSynchronizer") {
delegater = commandDelegater;
startThread();
}
CPreconditionSynchronizer::~CPreconditionSynchronizer() {
}
CCommandDelegater *CPreconditionSynchronizer::delegateCommand(CCommand *command) {
postEvent(new CCommandPreconditionChangeEvent(0,command));
return this;
}
bool CPreconditionSynchronizer::processCustomsEvents(QEvent::Type type, CCustomEvent *event) {
if (!CThread::processCustomsEvents(type,event)) {
if (type == EVENTCOMMANDPRECONDITIONCHANGE) {
CCommandPreconditionChangeEvent *commandEvent = (CCommandPreconditionChangeEvent *)event;
if (commandEvent) {
CCommand *command = commandEvent->getCommand();
if (command) {
CPreconditionCommand *preComm = dynamic_cast<CPreconditionCommand *>(command);
if (preComm) {
bool processable = false;
if (preComm->isProcessable()) {
processable = true;
}
if (processable) {
delegater->delegateCommand(command);
} else {
bool connCallback = false;
CLinker<CCommandPrecondition *> *preIt = preComm->getCommandPreconditionLinker();
while (preIt) {
CCommandPrecondition *pre = preIt->getData();
if (pre && !pre->isPreconditionFullfilled()) {
pre->addFullfilledCallback(new CCommandPreconditionChangeEvent(this,preComm));
connCallback = true;
break;
}
preIt = (CLinker<CCommandPrecondition *> *)preIt->getNext();
}
if (!connCallback) {
LOG(ERROR,"::Konclude::Command::PreconditionSynchronizer",logTr("Unprocessable commands which are not depending on their preconditions are not supported."),this);
delegater->delegateCommand(command);
}
}
} else {
delegater->delegateCommand(command);
}
}
}
return true;
}
} else {
return true;
}
return false;
}
}; // end namespace Command
}; // end namespace Control
}; // end namespace Konclude
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