/** * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.mahout.cf.taste.recommender; /** * <p> * Implementations encapsulate items that are recommended, and include the item recommended and a value * expressing the strength of the preference. * </p> */ public interface RecommendedItem { /** @return the recommended item ID */ long getItemID(); /** * <p> * A value expressing the strength of the preference for the recommended item. The range of the values * depends on the implementation. Implementations must use larger values to express stronger preference. * </p> * * @return strength of the preference */ float getValue(); }