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/*
* InstantaneousReward.h
*
* Created on: 26.12.2012
* Author: Christian Dehnert
*/
#ifndef STORM_FORMULA_PRCTL_CUMULATIVEREWARD_H_
#define STORM_FORMULA_PRCTL_CUMULATIVEREWARD_H_
#include "AbstractPathFormula.h"
#include "AbstractStateFormula.h"
#include "src/formula/abstract/CumulativeReward.h"
#include "src/formula/AbstractFormulaChecker.h"
#include <string>
namespace storm {
namespace property {
namespace prctl {
template <class T> class CumulativeReward;
/*!
* @brief Interface class for model checkers that support CumulativeReward.
*
* All model checkers that support the formula class CumulativeReward must inherit
* this pure virtual class.
*/
template <class T>
class ICumulativeRewardModelChecker {
public:
/*!
* @brief Evaluates CumulativeReward formula within a model checker.
*
* @param obj Formula object with subformulas.
* @return Result of the formula for every node.
*/
virtual std::vector<T> checkCumulativeReward(const CumulativeReward<T>& obj, bool qualitative) const = 0;
};
/*!
* @brief
* Class for an abstract (path) formula tree with a Cumulative Reward node as root.
*
* The subtrees are seen as part of the object and deleted with the object
* (this behavior can be prevented by setting them to NULL before deletion)
*
* @see AbstractPathFormula
* @see AbstractPrctlFormula
*/
template <class T>
class CumulativeReward : public storm::property::abstract::CumulativeReward<T>,
public AbstractPathFormula<T> {
public:
/*!
* Empty constructor
*/
CumulativeReward() {
// Intentionally left empty
}
/*!
* Constructor
*
* @param bound The time bound of the reward formula
*/
CumulativeReward(T bound) :
storm::property::abstract::CumulativeReward<T>(bound) {
// Intentionally left empty
}
/*!
* Empty destructor.
*/
virtual ~CumulativeReward() {
// Intentionally left empty.
}
/*!
* Clones the called object.
*
* Performs a "deep copy", i.e. the subtrees of the new object are clones of the original ones
*
* @returns a new CumulativeReward-object that is identical the called object.
*/
virtual AbstractPathFormula<T>* clone() const override {
return new CumulativeReward(this->getBound());
}
/*!
* Calls the model checker to check this formula.
* Needed to infer the correct type of formula class.
*
* @note This function should only be called in a generic check function of a model checker class. For other uses,
* the methods of the model checker should be used.
*
* @returns A vector indicating the probability that the formula holds for each state.
*/
virtual std::vector<T> check(const storm::modelchecker::prctl::AbstractModelChecker<T>& modelChecker, bool qualitative) const override {
return modelChecker.template as<ICumulativeRewardModelChecker>()->checkCumulativeReward(*this, qualitative);
}
};
} //namespace prctl
} //namespace property
} //namespace storm
#endif /* STORM_FORMULA_PRCTL_INSTANTANEOUSREWARD_H_ */