/**
* Copyright 2012 Anjuke Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.anjuke.romar.mahout.factory;
import org.apache.mahout.cf.taste.model.DataModel;
import org.apache.mahout.cf.taste.recommender.Recommender;
import org.apache.mahout.common.ClassUtils;
import com.anjuke.romar.core.RomarConfig;
import com.anjuke.romar.mahout.MahoutService;
import com.anjuke.romar.mahout.RecommenderWrapper;
import com.anjuke.romar.mahout.similarity.ReadableSimilarity;
public class MahoutServiceCommonRecommendFactory
implements MahoutServiceFactory {
@Override
public MahoutService createService() {
RomarConfig config = RomarConfig.getInstance();
Recommender recommender;
DataModel dataModel = PersistenceDataModelFactory.createDataModel(config);
recommender = ClassUtils.instantiateAs(
config.getCommonRecommenderClass(), Recommender.class,
new Class<?>[] {DataModel.class}, new Object[] {dataModel});
return new RecommenderWrapper(recommender);
}
@Override
public ReadableSimilarity createReadableSimilarity(DataModel dataModel) {
throw new UnsupportedOperationException();
}
}