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71 lines
2.6 KiB
71 lines
2.6 KiB
#pragma once
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#include "storm/generator/NextStateGenerator.h"
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#include "storm/utility/ConstantsComparator.h"
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#include "storm-dft/storage/dft/DFT.h"
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namespace storm {
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namespace generator {
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/*!
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* Next state generator for DFTs.
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*/
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template<typename ValueType, typename StateType = uint32_t>
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class DftNextStateGenerator {
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// TODO: inherit from NextStateGenerator
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using DFTStatePointer = std::shared_ptr<storm::storage::DFTState<ValueType>>;
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using DFTElementPointer = std::shared_ptr<storm::storage::DFTElement<ValueType>>;
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using DFTGatePointer = std::shared_ptr<storm::storage::DFTGate<ValueType>>;
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using DFTRestrictionPointer = std::shared_ptr<storm::storage::DFTRestriction<ValueType>>;
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public:
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typedef std::function<StateType (DFTStatePointer const&)> StateToIdCallback;
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DftNextStateGenerator(storm::storage::DFT<ValueType> const& dft, storm::storage::DFTStateGenerationInfo const& stateGenerationInfo, bool enableDC, bool mergeFailedStates);
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bool isDeterministicModel() const;
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std::vector<StateType> getInitialStates(StateToIdCallback const& stateToIdCallback);
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void load(storm::storage::BitVector const& state);
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void load(DFTStatePointer const& state);
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StateBehavior<ValueType, StateType> expand(StateToIdCallback const& stateToIdCallback);
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/*!
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* Create unique failed state.
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*
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* @param stateToIdCallback Callback for state. The callback should just return the id and not use the state.
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*
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* @return Behavior of state.
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*/
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StateBehavior<ValueType, StateType> createMergeFailedState(StateToIdCallback const& stateToIdCallback);
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private:
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// The dft used for the generation of next states.
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storm::storage::DFT<ValueType> const& mDft;
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// General information for the state generation.
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storm::storage::DFTStateGenerationInfo const& mStateGenerationInfo;
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// Current state
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DFTStatePointer state;
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// Flag indicating if dont care propagation is enabled.
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bool enableDC;
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// Flag indication if all failed states should be merged into one.
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bool mergeFailedStates = true;
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// Id of the merged failed state
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StateType mergeFailedStateId = 0;
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// Flag indicating if the model is deterministic.
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bool deterministicModel = false;
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};
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}
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}
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