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2.9 KiB

/*
* Not.h
*
* Created on: 19.10.2012
* Author: Thomas Heinemann
*/
#ifndef STORM_FORMULA_CSL_NOT_H_
#define STORM_FORMULA_CSL_NOT_H_
#include "AbstractStateFormula.h"
#include "src/formula/abstract/Not.h"
#include "src/formula/AbstractFormulaChecker.h"
#include "src/modelchecker/csl/ForwardDeclarations.h"
namespace storm {
namespace property {
namespace csl {
template <class T> class Not;
/*!
* @brief Interface class for model checkers that support Not.
*
* All model checkers that support the formula class Not must inherit
* this pure virtual class.
*/
template <class T>
class INotModelChecker {
public:
/*!
* @brief Evaluates Not formula within a model checker.
*
* @param obj Formula object with subformulas.
* @return Result of the formula for every node.
*/
virtual storm::storage::BitVector checkNot(const Not<T>& obj) const = 0;
};
/*!
* @brief
* Class for an abstract formula tree with NOT 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 NULL before deletion)
*
* @see AbstractStateFormula
* @see AbstractCslFormula
*/
template <class T>
class Not : public storm::property::abstract::Not<T, AbstractStateFormula<T>>,
public AbstractStateFormula<T> {
public:
/*!
* Empty constructor
*/
Not() {
//intentionally left empty
}
/*!
* Constructor
* @param child The child node
*/
Not(AbstractStateFormula<T>* child) :
storm::property::abstract::Not<T, AbstractStateFormula<T>>(child){
//intentionally left empty
}
/*!
* Destructor
*
* Also deletes the subtree
* (this behavior can be prevented by setting them to NULL before deletion)
*/
virtual ~Not() {
//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 AND-object that is identical the called object.
*/
virtual AbstractStateFormula<T>* clone() const override {
Not<T>* result = new Not<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 bit vector indicating all states that satisfy the formula represented by the called object.
*/
virtual storm::storage::BitVector check(const storm::modelchecker::csl::AbstractModelChecker<T>& modelChecker) const override {
return modelChecker.template as<INotModelChecker>()->checkNot(*this);
}
};
} //namespace csl
} //namespace property
} //namespace storm
#endif /* STORM_FORMULA_CSL_NOT_H_ */