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130 lines
4.9 KiB
130 lines
4.9 KiB
#pragma once
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#include <boost/optional.hpp>
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#include <boost/container/flat_set.hpp>
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#include "src/storage/jani/EdgeDestination.h"
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#include "src/storage/jani/OrderedAssignments.h"
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namespace storm {
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namespace jani {
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class Model;
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class Edge {
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public:
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Edge(uint64_t sourceLocationIndex, uint64_t actionIndex, boost::optional<storm::expressions::Expression> const& rate, storm::expressions::Expression const& guard, std::vector<EdgeDestination> destinations = {});
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/*!
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* Retrieves the index of the source location.
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*/
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uint64_t getSourceLocationIndex() const;
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/*!
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* Retrieves the id of the action with which this edge is labeled.
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*/
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uint64_t getActionIndex() const;
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/*!
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* Retrieves whether this edge has an associated rate.
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*/
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bool hasRate() const;
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/*!
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* Retrieves the rate of this edge. Note that calling this is only valid if the edge has an associated rate.
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*/
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storm::expressions::Expression const& getRate() const;
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/*!
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* Sets a new rate for this edge.
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*/
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void setRate(storm::expressions::Expression const& rate);
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/*!
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* Retrieves the guard of this edge.
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*/
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storm::expressions::Expression const& getGuard() const;
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/*!
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* Sets a new guard for this edge.
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*/
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void setGuard(storm::expressions::Expression const& guard);
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/*!
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* Retrieves the destinations of this edge.
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*/
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std::vector<EdgeDestination> const& getDestinations() const;
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/*!
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* Retrieves the destinations of this edge.
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*/
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std::vector<EdgeDestination>& getDestinations();
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/*!
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* Adds the given destination to the destinations of this edge.
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*/
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void addDestination(EdgeDestination const& destination);
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/*!
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* Substitutes all variables in all expressions according to the given substitution.
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*/
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void substitute(std::map<storm::expressions::Variable, storm::expressions::Expression> const& substitution);
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/*!
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* Finalizes the building of this edge. Subsequent changes to the edge require another call to this
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* method. Note that this method is invoked by a call to <code>finalize</code> to the containing model.
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*/
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void finalize(Model const& containingModel);
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/*!
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* Retrieves a set of (global) variables that are written by at least one of the edge's destinations. Note
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* that prior to calling this, the edge has to be finalized.
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*/
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boost::container::flat_set<storm::expressions::Variable> const& getWrittenGlobalVariables() const;
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/*!
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* Adds a transient assignment to this edge.
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*
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* @param assignment The transient assignment to add.
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* @return True if the assignment was added.
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*/
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bool addTransientAssignment(Assignment const& assignment);
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/*!
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* Retrieves the assignments of this edge.
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*/
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OrderedAssignments const& getAssignments() const;
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/*!
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* Finds the transient assignments common to all destinations and lifts them to the edge. Afterwards, these
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* assignments are no longer contained in the destination.
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*/
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void liftTransientDestinationAssignments();
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private:
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/// The index of the source location.
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uint64_t sourceLocationIndex;
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/// The index of the action with which this edge is labeled.
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uint64_t actionIndex;
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/// The rate with which this edge is taken. This only applies to continuous-time models. For discrete-time
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/// models, this must be set to none.
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boost::optional<storm::expressions::Expression> rate;
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/// The guard that defines when this edge is enabled.
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storm::expressions::Expression guard;
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/// The destinations of this edge.
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std::vector<EdgeDestination> destinations;
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/// The assignments made when taking this edge.
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OrderedAssignments assignments;
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/// A set of global variables that is written by at least one of the edge's destinations. This set is
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/// initialized by the call to <code>finalize</code>.
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boost::container::flat_set<storm::expressions::Variable> writtenGlobalVariables;
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};
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}
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}
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