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/*
* Copyright (C) 2013, 2014, 2015 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 2.1 of the GNU Lesser General Public License (LGPL2.1)
* as published by the Free Software Foundation.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
* 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. For more
* details, see GNU Lesser General Public License.
*
*/
#include "CVariableBindingPathJoiningData.h"
namespace Konclude {
namespace Reasoner {
namespace Kernel {
namespace Process {
CVariableBindingPathJoiningData::CVariableBindingPathJoiningData() {
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::initVariableBindingPathJoiningData(CVariableBindingPathJoiningData* prevJoinData) {
if (prevJoinData) {
mKeyVarBindDesLinker = prevJoinData->mKeyVarBindDesLinker;
mLeftVarBindPathDesLinker = prevJoinData->mLeftVarBindPathDesLinker;
mRightVarBindPathDesLinker = prevJoinData->mRightVarBindPathDesLinker;
mHashValueCalculated = prevJoinData->mHashValueCalculated;
mCalculatedHashValue = prevJoinData->mCalculatedHashValue;
mAllKeyTriggersAvailable = prevJoinData->mAllKeyTriggersAvailable;
mNextKeyTriggerLinker = prevJoinData->mNextKeyTriggerLinker;
} else {
mKeyVarBindDesLinker = nullptr;
mLeftVarBindPathDesLinker = nullptr;
mRightVarBindPathDesLinker = nullptr;
mHashValueCalculated = false;
mCalculatedHashValue = 0;
mAllKeyTriggersAvailable = false;
mNextKeyTriggerLinker = nullptr;
}
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::initVariableBindingPathJoiningData(CVariableBindingDescriptor* keyVarBindDesLinker, CVariableBindingPathDescriptor* leftVarBindPathDesLinker, CVariableBindingPathDescriptor* rightVarBindPathDesLinker) {
mKeyVarBindDesLinker = keyVarBindDesLinker;
mLeftVarBindPathDesLinker = leftVarBindPathDesLinker;
mRightVarBindPathDesLinker = rightVarBindPathDesLinker;
mHashValueCalculated = false;
mCalculatedHashValue = 0;
mAllKeyTriggersAvailable = false;
mNextKeyTriggerLinker = nullptr;
return this;
}
CVariableBindingDescriptor* CVariableBindingPathJoiningData::getKeyVariableBindingDescriptorLinker() const {
return mKeyVarBindDesLinker;
}
CVariableBindingPathDescriptor* CVariableBindingPathJoiningData::getLeftVariableBindingPathDescriptorLinker() const {
return mLeftVarBindPathDesLinker;
}
CVariableBindingPathDescriptor* CVariableBindingPathJoiningData::getRightVariableBindingPathDescriptorLinker() const {
return mRightVarBindPathDesLinker;
}
CVariableBindingDescriptor* CVariableBindingPathJoiningData::getNextKeyTriggerLinker(bool moveNext) {
CVariableBindingDescriptor* nextDesLinker = mNextKeyTriggerLinker;
if (moveNext) {
mNextKeyTriggerLinker = mNextKeyTriggerLinker->getNext();
}
return nextDesLinker;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::setKeyVariableBindingDescriptorLinker(CVariableBindingDescriptor* keyVarBindDesLinker) {
mKeyVarBindDesLinker = keyVarBindDesLinker;
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::setLeftVariableBindingPathDescriptorLinker(CVariableBindingPathDescriptor* leftVarBindPathDesLinker) {
mLeftVarBindPathDesLinker = leftVarBindPathDesLinker;
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::setRightVariableBindingPathDescriptorLinker(CVariableBindingPathDescriptor* rightVarBindPathDesLinker) {
mRightVarBindPathDesLinker = rightVarBindPathDesLinker;
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::setNextKeyTriggerLinker(CVariableBindingDescriptor* nextKeyTrigger) {
mNextKeyTriggerLinker = nextKeyTrigger;
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::addKeyVariableBindingDescriptorLinker(CVariableBindingDescriptor* keyVarBindDesLinker) {
mKeyVarBindDesLinker = keyVarBindDesLinker->append(mKeyVarBindDesLinker);
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::addLeftVariableBindingPathDescriptorLinker(CVariableBindingPathDescriptor* leftVarBindPathDesLinker) {
mLeftVarBindPathDesLinker = leftVarBindPathDesLinker->append(mLeftVarBindPathDesLinker);
return this;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::addRightVariableBindingPathDescriptorLinker(CVariableBindingPathDescriptor* rightVarBindPathDesLinker) {
mRightVarBindPathDesLinker = rightVarBindPathDesLinker->append(mRightVarBindPathDesLinker);
return this;
}
bool CVariableBindingPathJoiningData::allKeyTriggersAvailable() {
return mAllKeyTriggersAvailable;
}
CVariableBindingPathJoiningData* CVariableBindingPathJoiningData::setAllKeyTriggersAvailable(bool allAvailable) {
mAllKeyTriggersAvailable = allAvailable;
return this;
}
cint64 CVariableBindingPathJoiningData::getCalculatedHashValue() const {
if (!mHashValueCalculated) {
mHashValueCalculated = true;
mCalculatedHashValue = 0;
cint64 multiplier = 13;
for (CVariableBindingDescriptor* linkerIt = mKeyVarBindDesLinker; linkerIt; linkerIt = linkerIt->getNext()) {
CVariableBinding* variableBinding = linkerIt->getVariableBinding();
mCalculatedHashValue += multiplier*(cint64)variableBinding;
multiplier = multiplier*2+1;
}
}
return mCalculatedHashValue;
}
bool CVariableBindingPathJoiningData::isKeyEquivalentTo(const CVariableBindingPathJoiningData& data) const {
if (getCalculatedHashValue() != data.getCalculatedHashValue()) {
return false;
}
CVariableBindingDescriptor* linkerIt1 = mKeyVarBindDesLinker;
CVariableBindingDescriptor* linkerIt2 = data.mKeyVarBindDesLinker;
while (linkerIt1 && linkerIt2) {
if (linkerIt1->getVariableBinding() != linkerIt2->getVariableBinding()) {
return false;
}
linkerIt1 = linkerIt1->getNext();
linkerIt2 = linkerIt2->getNext();
}
if (linkerIt1 || linkerIt2) {
return false;
}
return true;
}
bool CVariableBindingPathJoiningData::isKeyEquivalentTo(CVariableBindingPath* varBindPath) const {
CVariableBindingDescriptor* linkerIt1 = mKeyVarBindDesLinker;
CVariableBindingDescriptor* linkerIt2 = varBindPath->getVariableBindingDescriptorLinker();
while (linkerIt2 && linkerIt1) {
if (linkerIt2->getVariableBinding()->getBindedVariable() < linkerIt1->getVariableBinding()->getBindedVariable()) {
linkerIt2 = linkerIt2->getNext();
} else {
if (linkerIt1->getVariableBinding() != linkerIt2->getVariableBinding()) {
return false;
}
linkerIt1 = linkerIt1->getNext();
linkerIt2 = linkerIt2->getNext();
}
}
if (linkerIt1) {
return false;
}
return true;
}
}; // end namespace Process
}; // end namespace Kernel
}; // end namespace Reasoner
}; // end namespace Konclude
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