/*
* #%L
* org.gitools.analysis
* %%
* Copyright (C) 2013 - 2014 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
package org.gitools.analysis.clustering.kmeans;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
/**
* Cluster holding a set of {@link org.apache.commons.math3.ml.clustering.Clusterable} points.
* @param <T> the type of points that can be clustered
* @version $Id: Cluster.java 1461862 2013-03-27 21:48:10Z tn $
* @since 3.2
*/
public class Cluster<T extends Clusterable> implements Serializable, Comparable<Cluster> {
/** Serializable version identifier. */
private static final long serialVersionUID = -3442297081515880464L;
/** The points contained in this cluster. */
private final List<T> points;
private double weight;
/**
* Build a cluster centered at a specified point.
*/
public Cluster() {
points = new ArrayList<T>();
}
/**
* Add a point to this cluster.
* @param point point to add
*/
public void addPoint(final T point) {
points.add(point);
}
/**
* Get the points contained in the cluster.
* @return points contained in the cluster
*/
public List<T> getPoints() {
return points;
}
public double getWeight() {
return weight;
}
public void setWeight(double weight) {
this.weight = weight;
}
@Override
public int compareTo(Cluster o) {
if (o == null) {
return 1;
}
return -1 * Double.compare(weight, o.getWeight());
}
}