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#ifndef STORM_STORAGE_PRISM_STATEREWARD_H_
#define STORM_STORAGE_PRISM_STATEREWARD_H_
#include <map>
#include "src/storage/prism/LocatedInformation.h"
#include "src/storage/expressions/Expression.h"
namespace storm {
namespace prism {
class StateReward : public LocatedInformation {
public:
/*!
* Creates a state reward for the states satisfying the given expression with the value given by a second
* expression.
*
* @param statePredicateExpression The predicate that states earning this state-based reward need to satisfy.
* @param rewardValueExpression An expression specifying the values of the rewards to attach to the states.
* @param filename The filename in which the state reward is defined.
* @param lineNumber The line number in which the state reward is defined.
*/
StateReward(storm::expressions::Expression const& statePredicateExpression, storm::expressions::Expression const& rewardValueExpression, std::string const& filename = "", uint_fast64_t lineNumber = 0);
// Create default implementations of constructors/assignment.
StateReward() = default;
StateReward(StateReward const& other) = default;
StateReward& operator=(StateReward const& other)= default;
StateReward(StateReward&& other) = default;
StateReward& operator=(StateReward&& other) = default;
/*!
* Retrieves the state predicate that is associated with this state reward.
*
* @return The state predicate that is associated with this state reward.
*/
storm::expressions::Expression const& getStatePredicateExpression() const;
/*!
* Retrieves the reward value associated with this state reward.
*
* @return The reward value associated with this state reward.
*/
storm::expressions::Expression const& getRewardValueExpression() const;
/*!
* Substitutes all identifiers in the state reward according to the given map.
*
* @param substitution The substitution to perform.
* @return The resulting state reward.
*/
StateReward substitute(std::map<std::string, storm::expressions::Expression> const& substitution) const;
friend std::ostream& operator<<(std::ostream& stream, StateReward const& stateReward);
private:
// The predicate that characterizes the states that obtain this reward.
storm::expressions::Expression statePredicateExpression;
// The expression that specifies the value of the reward obtained.
storm::expressions::Expression rewardValueExpression;
};
} // namespace prism
} // namespace storm
#endif /* STORM_STORAGE_PRISM_STATEREWARD_H_ */