public static WrappedGTFSEntity<Pattern> fromTrip(DataFetchingEnvironment env) {
WrappedGTFSEntity<Trip> trip = (WrappedGTFSEntity<Trip>) env.getSource();
FeedSource fs = ApiMain.getFeedSource(trip.feedUniqueId);
if (fs == null) return null;
Pattern patt = fs.feed.patterns.get(fs.feed.tripPatternMap.get(trip.entity.trip_id));
return new WrappedGTFSEntity<>(fs.id, patt);
}
@Override
public Object get(DataFetchingEnvironment environment) {
if (!(environment.getSource() instanceof EObject)) {
return null;
}
EObject context = (EObject) environment.getSource();
try {
IServiceExecutor serviceExecutor = serviceExecutorProvider.getServiceExecutor();
serviceExecutor.init(context);
serviceExecutor.execute(serviceName, environment.getArguments());
Object[] values = serviceExecutor.getObjects();
if (environment.getFieldType() instanceof GraphQLList) {
return Arrays.asList(values);
}
return (values != null && values.length > 0 ? values[0] : null);
} catch (Exception e) {
return null;
}
}
public static Long fromRouteCount(DataFetchingEnvironment env) {
WrappedGTFSEntity<Route> route = (WrappedGTFSEntity<Route>) env.getSource();
FeedSource fs = ApiMain.getFeedSource(route.feedUniqueId);
if (fs == null) return null;
return fs.feed
.patterns
.values()
.stream()
.filter(p -> p.route_id.equals(route.entity.route_id))
.count();
}
public static List<WrappedGTFSEntity<Pattern>> fromRoute(DataFetchingEnvironment env) {
WrappedGTFSEntity<Route> route = (WrappedGTFSEntity<Route>) env.getSource();
FeedSource fs = ApiMain.getFeedSource(route.feedUniqueId);
if (fs == null) return null;
List<String> stopIds = env.getArgument("stop_id");
List<String> patternId = env.getArgument("pattern_id");
Long limit = env.getArgument("limit");
List<WrappedGTFSEntity<Pattern>> patterns =
fs.feed
.patterns
.values()
.stream()
.filter(p -> p.route_id.equals(route.entity.route_id))
.map(p -> new WrappedGTFSEntity<>(fs.id, p))
.collect(Collectors.toList());
if (patternId != null) {
patterns
.stream()
.filter(p -> patternId.contains(p.entity.pattern_id))
.collect(Collectors.toList());
}
if (stopIds != null) {
patterns
.stream()
.filter(
p ->
!Collections.disjoint(
p.entity.orderedStops,
stopIds)) // disjoint returns true if no elements in common
.collect(Collectors.toList());
}
if (limit != null) {
return patterns.stream().limit(limit).collect(Collectors.toList());
}
return patterns;
}
public static List<WrappedGTFSEntity<Pattern>> apex(DataFetchingEnvironment env) {
Collection<FeedSource> feeds;
List<String> feedId = (List<String>) env.getArgument("feed_id");
feeds = ApiMain.getFeedSources(feedId);
Map<String, Object> args = env.getArguments();
List<WrappedGTFSEntity<Pattern>> patterns = new ArrayList<>();
for (FeedSource fs : feeds) {
if (env.getArgument("pattern_id") != null) {
List<String> patternId = (List<String>) env.getArgument("pattern_id");
patternId
.stream()
.filter(fs.feed.patterns::containsKey)
.map(fs.feed.patterns::get)
.map(pattern -> new WrappedGTFSEntity(fs.id, pattern))
.forEach(patterns::add);
} else if (env.getArgument("route_id") != null) {
List<String> routeId = (List<String>) env.getArgument("route_id");
fs.feed
.patterns
.values()
.stream()
.filter(p -> routeId.contains(p.route_id))
.map(pattern -> new WrappedGTFSEntity(fs.id, pattern))
.forEach(patterns::add);
}
// get patterns by lat/lon/radius
else if (argumentDefined(env, "lat") && argumentDefined(env, "lon")) {
Double lat = (Double) args.get("lat");
Double lon = (Double) args.get("lon");
Double radius = args.get("radius") == null ? DEFAULT_RADIUS : (Double) args.get("radius");
Coordinate latLng = new Coordinate(lon, lat);
Envelope searchEnvelope = GeomUtil.getBoundingBox(latLng, radius);
List<Pattern> results = fs.routeIndex.query(searchEnvelope);
results
.stream()
.map(pattern -> new WrappedGTFSEntity(fs.id, pattern))
.forEach(patterns::add);
}
// get patterns by bounding box
else if (argumentDefined(env, "min_lat")
&& argumentDefined(env, "max_lat")
&& argumentDefined(env, "min_lon")
&& argumentDefined(env, "max_lon")) {
Coordinate maxCoordinate =
new Coordinate((Double) args.get("max_lon"), (Double) args.get("max_lat"));
Coordinate minCoordinate =
new Coordinate((Double) args.get("min_lon"), (Double) args.get("min_lat"));
Envelope searchEnvelope = new Envelope(maxCoordinate, minCoordinate);
List<Pattern> results = (List<Pattern>) fs.routeIndex.query(searchEnvelope);
results
.stream()
.filter(p -> p != null)
.map(pattern -> new WrappedGTFSEntity(fs.id, pattern))
.forEach(patterns::add);
}
}
return patterns;
}