@SuppressWarnings("unused") // called through reflection by RequestServer
/** Return the metadata for a REST API Route, specified either by number or path. */
public MetadataV3 fetchRoute(int version, MetadataV3 docs) {
Route route = null;
if (null != docs.path && null != docs.http_method) {
route = RequestServer.lookup(docs.http_method, docs.path);
} else {
// Linear scan for the route, plus each route is asked for in-order
// during doc-gen leading to an O(n^2) execution cost.
int i = 0;
for (Route r : RequestServer.routes())
if (i++ == docs.num) {
route = r;
break;
}
// Crash-n-burn if route not found (old code thru an AIOOBE), so we
// something similarly bad.
docs.routes =
new RouteBase[] {(RouteBase) Schema.schema(version, Route.class).fillFromImpl(route)};
}
Schema sinput, soutput;
if (route._handler_class.equals(water.api.ModelBuilderHandler.class)) {
String ss[] = route._url_pattern_raw.split("/");
String algoURLName = ss[3]; // {}/{3}/{ModelBuilders}/{gbm}/{parameters}
int version2 = Integer.valueOf(ss[1]);
String algoName =
ModelBuilder.algoName(algoURLName); // gbm -> GBM; deeplearning -> DeepLearning
String schemaDir = ModelBuilder.schemaDirectory(algoURLName);
String inputSchemaName = schemaDir + algoName + "V" + version2; // hex.schemas.GBMV3
sinput = (Schema) TypeMap.theFreezable(TypeMap.onIce(inputSchemaName));
sinput.init_meta();
// hex.schemas.GBMModelV3$GBMModelOutputV3
String outputSchemaName =
schemaDir + algoName + "ModelV" + version2 + "$" + algoName + "ModelOutputV" + version2;
soutput = (Schema) TypeMap.theFreezable(TypeMap.onIce(outputSchemaName));
soutput.init_meta();
} else {
sinput = Schema.newInstance(Handler.getHandlerMethodInputSchema(route._handler_method));
soutput = Schema.newInstance(Handler.getHandlerMethodOutputSchema(route._handler_method));
}
docs.routes[0].markdown = route.markdown(sinput, soutput).toString();
return docs;
}
