#include "mymemory.h"
#include "constraint.h"
-struct OrderPair {
+class OrderPair {
+public:
+ OrderPair(uint64_t first, uint64_t second, Edge constraint = E_NULL);
+ OrderPair();
+ virtual ~OrderPair();
+ virtual Edge getConstraint();
+ virtual bool getConstraintValue(CSolver *solver);
+ //for the cases that we swap first and second ... For total order is straight forward.
+ // but for partial order it has some complexity which should be hidden ... -HG
+ virtual Edge getNegatedConstraint();
+ virtual bool getNegatedConstraintValue(CSolver *solver);
uint64_t first;
uint64_t second;
+ CMEMALLOC;
+protected:
Edge constraint;
};
-OrderPair *allocOrderPair(uint64_t first, uint64_t second, Edge constraint);
-void deleteOrderPair(OrderPair *pair);
-
#endif/* ORDERPAIR_H */