You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

117 lines
3.3 KiB

/*
* Next.h
*
* Created on: 26.12.2012
* Author: Christian Dehnert
*/
#ifndef STORM_FORMULA_PRCTL_REACHABILITYREWARD_H_
#define STORM_FORMULA_PRCTL_REACHABILITYREWARD_H_
#include "AbstractPathFormula.h"
#include "AbstractStateFormula.h"
#include "../abstract/Eventually.h"
#include "src/formula/AbstractFormulaChecker.h"
namespace storm {
namespace property {
namespace prctl {
template <class T> class ReachabilityReward;
/*!
* @brief Interface class for model checkers that support ReachabilityReward.
*
* All model checkers that support the formula class ReachabilityReward must inherit
* this pure virtual class.
*/
template <class T>
class IReachabilityRewardModelChecker {
public:
/*!
* @brief Evaluates ReachabilityReward formula within a model checker.
*
* @param obj Formula object with subformulas.
* @return Result of the formula for every node.
*/
virtual std::vector<T>* checkReachabilityReward(const ReachabilityReward<T>& obj, bool qualitative) const = 0;
};
/*!
* @brief
* Class for an abstract (path) formula tree with an Reachability Reward node as root.
*
* Has one Abstract state formula as sub formula/tree.
*
* The subtree is seen as part of the object and deleted with the object
* (this behavior can be prevented by setting them to nullptr before deletion)
*
* @see AbstractPathFormula
* @see AbstractPrctlFormula
*/
template <class T>
class ReachabilityReward : public storm::property::abstract::Eventually<T, AbstractStateFormula<T>>,
public AbstractPathFormula<T> {
public:
/*!
* Empty constructor
*/
ReachabilityReward() {
// Intentionally left empty
}
/*!
* Constructor
*
* @param child The child node
*/
ReachabilityReward(AbstractStateFormula<T>* child) :
storm::property::abstract::Eventually<T, AbstractStateFormula<T>>(child){
// Intentionally left empty
}
/*!
* Constructor.
*
* Also deletes the subtree.
* (this behaviour can be prevented by setting the subtrees to nullptr before deletion)
*/
virtual ~ReachabilityReward() {
// 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 ReachabilityReward-object that is identical the called object.
*/
virtual AbstractPathFormula<T>* clone() const override {
ReachabilityReward<T>* result = new ReachabilityReward<T>();
if (this->childIsSet()) {
result->setChild(this->getChild().clone());
}
return result;
}
/*!
* 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<IReachabilityRewardModelChecker>()->checkReachabilityReward(*this, qualitative);
}
};
} //namespace prctl
} //namespace property
} //namespace storm
#endif /* STORM_FORMULA_PRCTL_REACHABILITYREWARD_H_ */