package org.grouplens.lenskit.knn.item;

import org.grouplens.lenskit.RatingPredictor;
import org.grouplens.lenskit.data.context.RatingBuildContext;

import com.google.inject.Inject;
import com.google.inject.Provider;

/**
 * Provider for item-item models that builds them with a model modelBuilder.
 * @author Michael Ekstrand <ekstrand@cs.umn.edu>
 *
 */
public class ItemItemModelProvider implements Provider<ItemItemModel> {
    private ItemItemModelBuilder modelBuilder;
    private RatingBuildContext buildContext;
    private RatingPredictor baselinePredictor;
    
    @Inject
    public ItemItemModelProvider(ItemItemModelBuilder bldr, RatingBuildContext context, RatingPredictor baseline) {
        modelBuilder = bldr;
        buildContext = context;
        baselinePredictor = baseline;
    }
    
    @Override
    public ItemItemModel get() {
        return modelBuilder.build(buildContext, baselinePredictor);
    }
}

@@ -1,8 +1,872 @@
+/*%0A * LensKit, a reference implementation of recommender algorithms.%0A * Copyright 2010-2011 Regents of the University of Minnesota%0A *%0A * This program is free software; you can redistribute it and/or modify%0A * it under the terms of the GNU Lesser General Public License as%0A * published by the Free Software Foundation; either version 2.1 of the%0A * License, or (at your option) any later version.%0A *%0A * This program is distributed in the hope that it will be useful, but WITHOUT%0A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS%0A * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more%0A * details.%0A *%0A * You should have received a copy of the GNU General Public License along with%0A * this program; if not, write to the Free Software Foundation, Inc., 51%0A * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.%0A */%0A
 package 

Update license header