Package org.grouplens.grapht.solver

Examples of org.grouplens.grapht.solver.DependencySolver

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    public LenskitRecommender createRecommender(LenskitConfiguration config) throws RecommenderConfigurationException {
        Preconditions.checkNotNull(config, "extra configuration");
        final DAGNode<Component, Dependency> toBuild;
        RecommenderGraphBuilder rgb = new RecommenderGraphBuilder();
        rgb.addBindings(config.getBindings());
        DependencySolver solver = rgb.buildDependencySolver();
        try {
            toBuild = solver.rewrite(graph);
        } catch (ResolutionException ex) {
            throw new RecommenderConfigurationException("error reconfiguring recommender", ex);
        }
        GraphtUtils.checkForPlaceholders(toBuild, logger);
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            logger.info("rewriting with {} configurations", configurations.size());
            RecommenderGraphBuilder rgb = new RecommenderGraphBuilder();
            for (LenskitConfiguration config : configurations) {
                rgb.addBindings(config.getBindings());
            }
            DependencySolver solver = rgb.buildDependencySolver();
            try {
                graph = solver.rewrite(graph);
            } catch (ResolutionException e) {
                throw new RecommenderConfigurationException("resolution error occured while rewriting recommender", e);
            }
        }
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            }
        }

        if (rewrite) {
            logger.debug("rewriting graph");
            DependencySolver rewriter = rewriteBuilder.buildDependencyUnsolver();
            try {
                graph = rewriter.rewrite(graph);
            } catch (ResolutionException e) {
                throw new RecommenderConfigurationException("Resolution error while rewriting graph", e);
            }
        }
        return graph;
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Related Classes of org.grouplens.grapht.solver.DependencySolver

  • org.grouplens.lenskit.core.LenskitRecommenderEngine
  • org.grouplens.lenskit.core.LenskitRecommenderEngineBuilder
  • org.grouplens.lenskit.core.LenskitRecommenderEngineLoader
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