001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.math3.stat.clustering;
019
020import java.util.Collection;
021
022/**
023 * Interface for points that can be clustered together.
024 * @param <T> the type of point that can be clustered
025 * @since 2.0
026 * @deprecated As of 3.2 (to be removed in 4.0),
027 * use {@link org.apache.commons.math3.ml.clustering.Clusterable} instead
028 */
029@Deprecated
030public interface Clusterable<T> {
031
032    /**
033     * Returns the distance from the given point.
034     *
035     * @param p the point to compute the distance from
036     * @return the distance from the given point
037     */
038    double distanceFrom(T p);
039
040    /**
041     * Returns the centroid of the given Collection of points.
042     *
043     * @param p the Collection of points to compute the centroid of
044     * @return the centroid of the given Collection of Points
045     */
046    T centroidOf(Collection<T> p);
047
048}