/**
* This function make the move on the solution and updates the originalPosition to be able to undo
* quickly
*
* @param solution
*/
public void operateOn(Solution solution) {
MySolution sol = (MySolution) solution;
Route insertRoute = sol.getRoute(insertRouteNr);
Route deleteRoute = sol.getRoute(deleteRouteNr);
Cost initialInsertCost = new Cost(insertRoute.getCost());
Cost initialDeleteCost = new Cost(deleteRoute.getCost());
evaluateDeleteRoute(deleteRoute, customer, deletePositionIndex);
evaluateInsertRoute(insertRoute, customer, insertPositionIndex);
evaluateTotalCostVariation(sol, this, initialInsertCost, initialDeleteCost);
} // end operateOn
private void evaluateTotalCostVariation(
MySolution sol, MySwapMove move, Cost initialInsertCost, Cost initialDeleteCost) {
Route insertRoute = sol.getRoute(move.getInsertRouteNr());
Route deleteRoute = sol.getRoute(move.getDeleteRouteNr());
sol.addTravelTime(
-initialInsertCost.travelTime
- initialDeleteCost.travelTime
+ deleteRoute.getCost().travelTime
+ insertRoute.getCost().travelTime);
sol.addServiceTime(
-initialInsertCost.serviceTime
- initialDeleteCost.serviceTime
+ deleteRoute.getCost().serviceTime
+ insertRoute.getCost().serviceTime);
sol.addWaitingTime(
-initialInsertCost.waitingTime
- initialDeleteCost.waitingTime
+ deleteRoute.getCost().waitingTime
+ insertRoute.getCost().waitingTime);
sol.getCost().loadViol +=
-initialInsertCost.loadViol
- initialDeleteCost.loadViol
+ deleteRoute.getCost().loadViol
+ insertRoute.getCost().loadViol;
sol.getCost().twViol +=
-initialInsertCost.twViol
- initialDeleteCost.twViol
+ deleteRoute.getCost().twViol
+ insertRoute.getCost().twViol;
sol.getCost().waitingTime =
Math.abs(sol.getCost().waitingTime) < instance.getPrecision()
? 0
: sol.getCost().waitingTime;
sol.getCost().loadViol =
Math.abs(sol.getCost().loadViol) < instance.getPrecision() ? 0 : sol.getCost().loadViol;
sol.getCost().twViol =
Math.abs(sol.getCost().twViol) < instance.getPrecision() ? 0 : sol.getCost().twViol;
sol.getCost().calculateTotal(sol.getAlpha(), sol.getBeta(), sol.getGamma());
}