1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.math.stat.clustering; 19 20 import java.util.Collection; 21 22 /** 23 * Interface for points that can be clustered together. 24 * @param <T> the type of point that can be clustered 25 * @version $Revision: 811685 $ $Date: 2009-09-05 19:36:48 +0200 (sam. 05 sept. 2009) $ 26 * @since 2.0 27 */ 28 public interface Clusterable<T> { 29 30 /** 31 * Returns the distance from the given point. 32 * 33 * @param p the point to compute the distance from 34 * @return the distance from the given point 35 */ 36 double distanceFrom(T p); 37 38 /** 39 * Returns the centroid of the given Collection of points. 40 * 41 * @param p the Collection of points to compute the centroid of 42 * @return the centroid of the given Collection of Points 43 */ 44 T centroidOf(Collection<T> p); 45 46 } 47
