src/main/java/com/conveyal/gtfs/graphql/GTFSGraphQL.java
public static void initialize (DataSource dataSource) {
        GTFSGraphQL.dataSource = dataSource;
        GRAPHQL = GraphQL.newGraphQL(GraphQLGtfsSchema.feedBasedSchema)
            .build();
    }
public static void initialize (DataSource dataSource) {
        GTFSGraphQL.dataSource = dataSource;
        GRAPHQL = GraphQL.newGraphQL(GraphQLGtfsSchema.feedBasedSchema)
            .build();
    }
public static void initialize ( DataSource dataSource ) { GTFSGraphQL . dataSource = dataSource ; GRAPHQL = GraphQL . newGraphQL ( GraphQLGtfsSchema . feedBasedSchema ) . build ( ) ; }
Username and password can be null if connecting to a local instance with host-based authentication.
Username and password can be null if connecting to a local instance with host - based authentication .