public Context() {
graphService.registerGraph("", new MemoryGraphSource("", makeSimpleGraph())); // default graph is tiny test graph
graphService.registerGraph("portland", new MemoryGraphSource("portland", graph));
ShapefileStreetGraphBuilderImpl builder = new ShapefileStreetGraphBuilderImpl();
FeatureSourceFactory factory = new ShapefileFeatureSourceFactoryImpl(new File(
"src/test/resources/portland/Streets_pdx.shp"));
builder.setFeatureSourceFactory(factory);
ShapefileStreetSchema schema = new ShapefileStreetSchema();
schema.setIdAttribute("LOCALID");
schema.setNameAttribute("FULL_NAME");