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Generalized transformation of PAND 

Former-commit-id: 20cc0960b7
main
mdeutschen 9 years ago
committed by Sebastian Junges
parent
496d138eac
commit
42c71f30c9
3 changed files with 48 additions and 22 deletions
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  1. 6
      examples/dft/pand2.dft
  2. 60
      src/transformations/dft/DftToGspnTransformator.cpp
  3. 4
      src/transformations/dft/DftToGspnTransformator.h

6
examples/dft/pand2.dft
View File

@ -0,0 +1,6 @@
toplevel "A";
"A" pand "B" "C" "D" "E";
"B" lambda=0.4 dorm=0.3;
"C" lambda=0.2 dorm=0.3;
"D" lambda=0.1 dorm=0.3;
"E" lambda=0.05 dorm=0.3;

60
src/transformations/dft/DftToGspnTransformator.cpp
View File

@ -16,6 +16,8 @@ namespace storm {
mGspn = storm::gspn::GSPN();
mGspn.setName("DftToGspnTransformation");
// TODO: Reconsider priorities!
// Loop through every DFT element and draw them as a GSPN.
drawGSPNElements();
@ -187,15 +189,15 @@ namespace storm {
immediateTransitionPANDFailing.setOutputArcMultiplicity(placePANDFailed, 1);
mGspn.addImmediateTransition(immediateTransitionPANDFailing);
storm::gspn::ImmediateTransition<storm::gspn::GSPN::WeightType> immediateTransitionPANDFailsave;
immediateTransitionPANDFailsave.setName(dftPand->name() + STR_FAILSAVING);
immediateTransitionPANDFailsave.setPriority(1);
immediateTransitionPANDFailsave.setWeight(0.0);
immediateTransitionPANDFailsave.setInhibitionArcMultiplicity(placePANDFailsave, 1);
immediateTransitionPANDFailsave.setOutputArcMultiplicity(placePANDFailsave, 1);
mGspn.addImmediateTransition(immediateTransitionPANDFailsave);
// TODO: Extend for more than 2 children.
for (std::size_t i = 0; i < dftPand->nrChildren() -1; i++) {
storm::gspn::ImmediateTransition<storm::gspn::GSPN::WeightType> immediateTransitionPANDFailsave;
immediateTransitionPANDFailsave.setName(dftPand->name() + "_" + std::to_string(i) + STR_FAILSAVING);
immediateTransitionPANDFailsave.setPriority(1);
immediateTransitionPANDFailsave.setWeight(0.0);
immediateTransitionPANDFailsave.setInhibitionArcMultiplicity(placePANDFailsave, 1);
immediateTransitionPANDFailsave.setOutputArcMultiplicity(placePANDFailsave, 1);
mGspn.addImmediateTransition(immediateTransitionPANDFailsave);
}
}
template <typename ValueType>
@ -313,22 +315,38 @@ namespace storm {
case storm::storage::DFTElementType::PAND:
{
auto children = std::static_pointer_cast<storm::storage::DFTPand<ValueType> const>(mDft.getElement(parents[j]))->children();
auto pandEntry = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + STR_FAILING);
auto pandEntry2 = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + STR_FAILSAVING);
auto childExit = mGspn.getPlace(child->name() + STR_FAILED);
auto pandEntry = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + STR_FAILING);
if (pandEntry.first && pandEntry2.first && childExit.first) { // Only add arcs if the objects have been found.
if (childExit.first && pandEntry.first) { // Only add arcs if the objects have been found.
pandEntry.second->setInputArcMultiplicity(childExit.second, 1);
pandEntry.second->setOutputArcMultiplicity(childExit.second, 1);
if (children[0] == child) { // Current element is primary child.
pandEntry.second->setInputArcMultiplicity(childExit.second, 1);
pandEntry.second->setOutputArcMultiplicity(childExit.second, 1);
pandEntry2.second->setInhibitionArcMultiplicity(childExit.second, 1);
auto pandEntry2 = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + "_0" + STR_FAILSAVING);
if (pandEntry2.first) {
pandEntry2.second->setInhibitionArcMultiplicity(childExit.second, 1);
}
}
else if (children[1] == child) { // Current element is secondary child.
pandEntry.second->setInputArcMultiplicity(childExit.second, 1);
pandEntry.second->setOutputArcMultiplicity(childExit.second, 1);
pandEntry2.second->setInputArcMultiplicity(childExit.second, 1);
pandEntry2.second->setOutputArcMultiplicity(childExit.second, 1);
else { // Current element is not the primary child.
for (std::size_t k = 1; k < children.size(); k++) {
if (children[k] == child) {
auto pandEntry2 = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + "_" + std::to_string((k - 1)) + STR_FAILSAVING);
auto pandEntry3 = mGspn.getImmediateTransition(mDft.getElement(parents[j])->name() + "_" + std::to_string((k)) + STR_FAILSAVING);
if (pandEntry2.first) {
pandEntry2.second->setInputArcMultiplicity(childExit.second, 1);
pandEntry2.second->setOutputArcMultiplicity(childExit.second, 1);
}
if (pandEntry3.first) {
pandEntry3.second->setInhibitionArcMultiplicity(childExit.second, 1);
}
continue;
}
}
}
}
@ -350,7 +368,7 @@ namespace storm {
porEntry2.second->setInhibitionArcMultiplicity(childExit.second, 1);
}
else { // Current element is a child, that is not the primary child.
else { // Current element is not the primary child.
porEntry2.second->setInputArcMultiplicity(childExit.second, 1);
porEntry2.second->setOutputArcMultiplicity(childExit.second, 1);
}

4
src/transformations/dft/DftToGspnTransformator.h
View File

@ -91,7 +91,8 @@ namespace storm {
void drawVOT(std::shared_ptr<storm::storage::DFTVot<ValueType> const> dftVot);
/*
* Draw a Petri net PAND.
* Draw a Petri net PAND.
* This PAND is inklusive (children are allowed to fail simultaneously and the PAND will fail nevertheless).
*
* @param dftPand The PAND gate.
*/
@ -106,6 +107,7 @@ namespace storm {
/*
* Draw a Petri net POR.
* This POR is inklusive (children are allowed to fail simultaneously and the POR will fail nevertheless).
*
* @param dftPor The POR gate.
*/

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