public List<DirectEdge> getOutgoingEdges(Vertex vertex) {
Graph graph = _graphService.getGraph();
GraphVertex gv = graph.getGraphVertex(vertex);
if (gv == null) {
return Collections.emptyList();
}
List<DirectEdge> result = new ArrayList<DirectEdge>();
for (Edge out : gv.getOutgoing()) {
if (!(out instanceof TurnEdge || out instanceof OutEdge || out instanceof PlainStreetEdge)) {
continue;
}
result.add((StreetEdge) out);
}
return result;
}
public boolean multipleOptionsBefore(Edge edge, State state) {
Graph graph = _graphService.getGraph();
boolean foundAlternatePaths = false;
Vertex start = edge.getFromVertex();
GraphVertex gv = graph.getGraphVertex(start);
if (gv == null) {
return false;
}
for (Edge out : gv.getOutgoing()) {
if (out == edge) {
continue;
}
if (!(out instanceof TurnEdge || out instanceof OutEdge || out instanceof PlainStreetEdge)) {
continue;
}
if (state != null && out.traverse(state) == null) {
continue;
}
// there were paths we didn't take.
foundAlternatePaths = true;
break;
}
return foundAlternatePaths;
}