/**
* 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.bundle.tasks.transfer_pattern.graph;
import org.onebusaway.transit_data_federation.impl.otp.GraphContext;
import org.onebusaway.transit_data_federation.impl.otp.graph.AbstractEdge;
import org.onebusaway.transit_data_federation.services.tripplanner.StopTimeInstance;
import org.opentripplanner.routing.core.EdgeNarrative;
import org.opentripplanner.routing.core.State;
import org.opentripplanner.routing.core.StateEditor;
import org.opentripplanner.routing.core.Vertex;
/**
* A transit vehicle's journey between departure at one stop and arrival at the
* next. This version represents a set of such journeys specified by a
* TripPattern.
*/
public class TPOfflineBlockHopEdge extends AbstractEdge {
private static final long serialVersionUID = 1L;
private final StopTimeInstance _from;
private final StopTimeInstance _to;
public TPOfflineBlockHopEdge(GraphContext context, StopTimeInstance from,
StopTimeInstance to) {
super(context);
if (from == null)
throw new IllegalArgumentException("from cannot be null");
if (to == null)
throw new IllegalArgumentException("to cannot be null");
_from = from;
_to = to;
}
@Override
public State traverse(State s0) {
EdgeNarrative narrative = createNarrative(s0);
StateEditor edit = s0.edit(this, narrative);
int runningTime = computeRunningTime();
edit.incrementTimeInSeconds(runningTime);
edit.incrementWeight(runningTime);
return edit.makeState();
}
/****
* Private Methods
****/
private int computeRunningTime() {
long departure = _from.getDepartureTime();
long arrival = _to.getArrivalTime();
int runningTime = (int) ((arrival - departure) / 1000);
return runningTime;
}
private EdgeNarrative createNarrative(State s0) {
Vertex fromVertex = new TPOfflineBlockDepartureVertex(_context, _from);
Vertex toVertex = new TPOfflineBlockArrivalVertex(_context, _to);
return narrative(s0, fromVertex, toVertex);
}
}