class RemoveVisit implements ProblemFactChange<VehicleRoutingSolution> {

    @Override
    public void doChange(ScoreDirector<VehicleRoutingSolution> scoreDirector) {
        VehicleRoutingSolution workingSolution = scoreDirector.getWorkingSolution();

        // Look up a working copy of the visit
        PlanningVisit workingVisit = scoreDirector.lookUpWorkingObject(planningVisit);
        if (workingVisit == null) {
            throw new IllegalStateException("Can't look up a working copy of " + planningVisit);
        }

        // Fix the next visit and set its previousStandstill to the removed visit's previousStandstill
        PlanningVisit nextVisit = workingVisit.getNextVisit();
        if (nextVisit != null) { // otherwise it's the last visit
            scoreDirector.beforeVariableChanged(nextVisit, "previousStandstill");
            nextVisit.setPreviousStandstill(workingVisit.getPreviousStandstill());
            scoreDirector.afterVariableChanged(nextVisit, "previousStandstill");
        }

        // No need to clone the visitList because it is a planning entity collection, so it is already planning-cloned.
        // To learn more about problem fact changes, see:
        // https://docs.jboss.org/optaplanner/release/latest/optaplanner-docs/html_single/#problemFactChangeExample

        // Remove the visit
        scoreDirector.beforeEntityRemoved(workingVisit);
        if (!workingSolution.getVisitList().remove(workingVisit)) {
            throw new IllegalStateException(
                    "Working solution's visitList "
                            + workingSolution.getVisitList()
                            + " doesn't contain the workingVisit ("
                            + workingVisit
                            + "). This is a bug!");
        }
        scoreDirector.afterEntityRemoved(workingVisit);

        scoreDirector.triggerVariableListeners();
    }

    public  RemoveVisit(PlanningVisit planningVisit);

}