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123 lines
2.8 KiB
123 lines
2.8 KiB
/*
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* InstantaneousReward.h
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*
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* Created on: 26.12.2012
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* Author: Christian Dehnert
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*/
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#ifndef STORM_FORMULA_CUMULATIVEREWARD_H_
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#define STORM_FORMULA_CUMULATIVEREWARD_H_
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#include "AbstractPathFormula.h"
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#include "AbstractStateFormula.h"
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#include "boost/integer/integer_mask.hpp"
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#include <string>
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namespace storm {
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namespace formula {
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template <class T> class CumulativeReward;
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template <class T>
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class ICumulativeRewardModelChecker {
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public:
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virtual std::vector<T>* checkCumulativeReward(const CumulativeReward<T>& obj) const = 0;
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};
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/*!
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* @brief
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* Class for a Abstract (path) formula tree with a Cumulative Reward node as root.
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*
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* The subtrees are seen as part of the object and deleted with the object
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* (this behavior can be prevented by setting them to NULL before deletion)
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*
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* @see AbstractPathFormula
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* @see AbstractFormula
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*/
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template <class T>
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class CumulativeReward : public AbstractPathFormula<T> {
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public:
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/*!
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* Empty constructor
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*/
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CumulativeReward() {
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bound = 0;
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}
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/*!
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* Constructor
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*
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* @param bound The time bound of the reward formula
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*/
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CumulativeReward(uint_fast64_t bound) {
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this->bound = bound;
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}
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/*!
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* Empty destructor.
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*/
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virtual ~CumulativeReward() {
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// Intentionally left empty.
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}
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/*!
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* @returns the time instance for the instantaneous reward operator
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*/
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uint_fast64_t getBound() const {
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return bound;
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}
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/*!
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* Sets the the time instance for the instantaneous reward operator
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*
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* @param bound the new bound.
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*/
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void setBound(uint_fast64_t bound) {
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this->bound = bound;
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}
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/*!
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* @returns a string representation of the formula
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*/
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virtual std::string toString() const {
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std::string result = "C<=";
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result += std::to_string(bound);
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return result;
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}
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/*!
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* Clones the called object.
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*
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* Performs a "deep copy", i.e. the subtrees of the new object are clones of the original ones
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*
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* @returns a new CumulativeReward-object that is identical the called object.
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*/
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virtual AbstractPathFormula<T>* clone() const {
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return new CumulativeReward(bound);
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}
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/*!
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* Calls the model checker to check this formula.
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* Needed to infer the correct type of formula class.
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*
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* @note This function should only be called in a generic check function of a model checker class. For other uses,
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* the methods of the model checker should be used.
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*
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* @returns A vector indicating the probability that the formula holds for each state.
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*/
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virtual std::vector<T> *check(const storm::modelChecker::AbstractModelChecker<T>& modelChecker) const {
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return modelChecker.template as<ICumulativeRewardModelChecker>()->checkCumulativeReward(*this);
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}
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private:
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uint_fast64_t bound;
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};
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} //namespace formula
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} //namespace storm
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#endif /* STORM_FORMULA_INSTANTANEOUSREWARD_H_ */
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