@Override
public State traverse(State s0) {
EdgeNarrative en = new FixedModeEdge(this, s0.getNonTransitMode(s0.getOptions()));
RoutingRequest options = s0.getOptions();
if (options.wheelchairAccessible && !wheelchairAccessible) {
return null;
}
TraverseMode mode = s0.getNonTransitMode(options);
if (mode == TraverseMode.WALK && !permission.allows(StreetTraversalPermission.PEDESTRIAN)) {
return null;
}
if (mode == TraverseMode.BICYCLE && !permission.allows(StreetTraversalPermission.BICYCLE)) {
return null;
}
// there are elevators which allow cars
if (mode == TraverseMode.CAR && !permission.allows(StreetTraversalPermission.CAR)) {
return null;
}
StateEditor s1 = s0.edit(this, en);
s1.incrementWeight(options.elevatorHopCost);
s1.incrementTimeInSeconds(options.elevatorHopTime);
return s1.makeState();
}
/**
* This checks if start or end vertex is bollard If it is it creates intersection of street edge
* permissions and from/to barriers. Then it checks if mode is allowed to traverse the edge.
*
* <p>By default CAR isn't allowed to traverse barrier but foot and bicycle are. This can be
* changed with different tags
*
* <p>If start/end isn't bollard it just checks the street permissions.
*
* <p>It is used in {@link #canTraverse(RoutingRequest, TraverseMode)}
*
* @param mode
* @return
*/
public boolean canTraverseIncludingBarrier(TraverseMode mode) {
StreetTraversalPermission permission = getPermission();
if (fromv instanceof BarrierVertex) {
permission = permission.intersection(((BarrierVertex) fromv).getBarrierPermissions());
}
if (tov instanceof BarrierVertex) {
permission = permission.intersection(((BarrierVertex) tov).getBarrierPermissions());
}
return permission.allows(mode);
}