/** * Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org> * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.onebusaway.transit_data_federation.impl.otp.graph; import org.onebusaway.transit_data_federation.impl.otp.GraphContext; import org.onebusaway.transit_data_federation.impl.otp.OBATraverseOptions; import org.onebusaway.transit_data_federation.services.realtime.ArrivalAndDepartureInstance; import org.opentripplanner.routing.core.EdgeNarrative; import org.opentripplanner.routing.core.State; import org.opentripplanner.routing.core.TraverseOptions; import org.opentripplanner.routing.core.Vertex; public class ArrivalEdge extends AbstractEdge { private final ArrivalAndDepartureInstance _instance; public ArrivalEdge(GraphContext context, ArrivalAndDepartureInstance instance) { super(context); _instance = instance; } @Override public State traverse(State s0) { TraverseOptions options = s0.getOptions(); if (options.isArriveBy()) return traverseReverse(s0); else return traverseForward(s0); } private State traverseForward(State s0) { OBATraverseOptions obaOpts = (OBATraverseOptions) s0.getOptions(); if (obaOpts.extraSpecialMode) return null; EdgeNarrative narrative = createNarrative(s0); return s0.edit(this, narrative).makeState(); } private State traverseReverse(State s0) { EdgeNarrative narrative = createNarrative(s0); return s0.edit(this, narrative).makeState(); } /**** * Private Methods ****/ private EdgeNarrative createNarrative(State s0) { Vertex fromVertex = new BlockArrivalVertex(_context, _instance); Vertex toVertex = new ArrivalVertex(_context, _instance.getStop(), s0.getTime()); return narrative(s0, fromVertex, toVertex); } }