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yap-6.3/packages/CLPBN/horus/Var.h
2012-12-28 01:35:59 +00:00

103 lines
1.8 KiB
C++

#ifndef HORUS_VAR_H
#define HORUS_VAR_H
#include <cassert>
#include "Util.h"
#include "Horus.h"
using namespace std;
struct VarInfo
{
VarInfo (string l, const States& sts)
: label(l), states(sts) { }
string label;
States states;
};
class Var
{
public:
Var (const Var*);
Var (VarId, unsigned, int = Constants::NO_EVIDENCE);
virtual ~Var (void) { };
VarId varId (void) const { return varId_; }
unsigned range (void) const { return range_; }
int getEvidence (void) const { return evidence_; }
size_t getIndex (void) const { return index_; }
void setIndex (size_t idx) { index_ = idx; }
bool hasEvidence (void) const
{
return evidence_ != Constants::NO_EVIDENCE;
}
operator size_t (void) const { return index_; }
bool operator== (const Var& var) const
{
assert (!(varId_ == var.varId() && range_ != var.range()));
return varId_ == var.varId();
}
bool operator!= (const Var& var) const
{
return !(*this == var);
}
bool isValidState (int);
void setEvidence (int);
string label (void) const;
States states (void) const;
static void addVarInfo (
VarId vid, string label, const States& states)
{
assert (Util::contains (varsInfo_, vid) == false);
varsInfo_.insert (make_pair (vid, VarInfo (label, states)));
}
static VarInfo getVarInfo (VarId vid)
{
assert (Util::contains (varsInfo_, vid));
return varsInfo_.find (vid)->second;
}
static bool varsHaveInfo (void)
{
return varsInfo_.empty() == false;
}
static void clearVarsInfo (void)
{
varsInfo_.clear();
}
private:
VarId varId_;
unsigned range_;
int evidence_;
size_t index_;
static unordered_map<VarId, VarInfo> varsInfo_;
};
#endif // HORUS_VAR_H