How to use

getGraph

method

in

org.lenskit.LenskitRecommenderEngine

/**
 * Load a configuration graph from a recommender model.
 * @param file The model file.
 * @return The recommender graph.
 * @throws IOException if there is an error loading the model.
 * @throws RecommenderConfigurationException if the model fails to configure.
 */
private DAGNode<Component, Dependency> loadModel(Context ctx, File file) throws IOException, RecommenderConfigurationException {
  logger.info("loading model from {}", file);
  LenskitRecommenderEngineLoader loader = LenskitRecommenderEngine.newLoader();
  loader.setValidationMode(EngineValidationMode.DEFERRED)
     .addConfiguration(makeDataConfig(ctx));
  for (LenskitConfiguration config: ctx.environment.loadConfigurations(ctx.getConfigFiles())) {
    loader.addConfiguration(config);
  }
  LenskitRecommenderEngine engine = loader.load(file);
  return engine.getGraph();
}