/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
* Copyright (C) 2011 Google, Inc.
*
* 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.transit_graph;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.annotation.PostConstruct;
import org.onebusaway.container.refresh.Refreshable;
import org.onebusaway.exceptions.NoSuchStopServiceException;
import org.onebusaway.geospatial.model.CoordinateBounds;
import org.onebusaway.gtfs.model.AgencyAndId;
import org.onebusaway.transit_data_federation.impl.RefreshableResources;
import org.onebusaway.transit_data_federation.services.AgencyAndIdLibrary;
import org.onebusaway.transit_data_federation.services.FederatedTransitDataBundle;
import org.onebusaway.transit_data_federation.services.transit_graph.AgencyEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.BlockEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.RouteCollectionEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.RouteEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.StopEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.TransitGraphDao;
import org.onebusaway.transit_data_federation.services.transit_graph.TripEntry;
import org.onebusaway.transit_data_federation.services.tripplanner.TripPlannerGraph;
import org.onebusaway.utility.ObjectSerializationLibrary;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
public class TransitGraphDaoImpl implements TransitGraphDao {
private FederatedTransitDataBundle _bundle;
private TripPlannerGraph _graph;
@Autowired
public void setBundle(FederatedTransitDataBundle bundle) {
_bundle = bundle;
}
public void setTripPlannerGraph(TripPlannerGraph graph) {
_graph = graph;
}
@PostConstruct
@Refreshable(dependsOn = RefreshableResources.TRANSIT_GRAPH)
public void setup() throws IOException, ClassNotFoundException {
File path = _bundle.getTransitGraphPath();
if(_graph != null) {
TransitGraphImpl graph = (TransitGraphImpl)_graph;
graph.empty();
_graph = null;
}
if (path.exists()) {
TransitGraphImpl graph = ObjectSerializationLibrary.readObject(path);
graph.initialize();
_graph = graph;
} else {
_graph = new TransitGraphImpl();
}
}
/****
* {@link TransitGraphDao} Interface
****/
@Override
public List<AgencyEntry> getAllAgencies() {
return _graph.getAllAgencies();
}
@Override
public AgencyEntry getAgencyForId(String id) {
return _graph.getAgencyForId(id);
}
@Override
public List<StopEntry> getAllStops() {
return _graph.getAllStops();
}
@Override
public StopEntry getStopEntryForId(AgencyAndId id) {
return _graph.getStopEntryForId(id);
}
@Override
public StopEntry getStopEntryForId(AgencyAndId id,
boolean throwExceptionIfNotFound) {
StopEntry stop = _graph.getStopEntryForId(id);
if (stop == null && throwExceptionIfNotFound)
throw new NoSuchStopServiceException(
AgencyAndIdLibrary.convertToString(id));
return stop;
}
@Override
public List<StopEntry> getStopsByLocation(CoordinateBounds bounds) {
return _graph.getStopsByLocation(bounds);
}
@Override
public List<BlockEntry> getAllBlocks() {
return _graph.getAllBlocks();
}
@Override
public BlockEntry getBlockEntryForId(AgencyAndId blockId) {
return _graph.getBlockEntryForId(blockId);
}
@Override
public List<TripEntry> getAllTrips() {
return _graph.getAllTrips();
}
@Override
public TripEntry getTripEntryForId(AgencyAndId id) {
return _graph.getTripEntryForId(id);
}
@Override
public List<RouteCollectionEntry> getAllRouteCollections() {
return _graph.getAllRouteCollections();
}
@Override
public RouteCollectionEntry getRouteCollectionForId(AgencyAndId id) {
return _graph.getRouteCollectionForId(id);
}
@Override
public List<RouteEntry> getAllRoutes() {
return _graph.getAllRoutes();
}
@Override
public RouteEntry getRouteForId(AgencyAndId id) {
return _graph.getRouteForId(id);
}
}