package ca.pfv.spmf.algorithms.frequentpatterns.hui_miner;
/* This file is copyright (c) 2008-2013 Philippe Fournier-Viger
*
* This file is part of the SPMF DATA MINING SOFTWARE
* (http://www.philippe-fournier-viger.com/spmf).
*
* SPMF 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.
*
* SPMF 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
* SPMF. If not, see <http://www.gnu.org/licenses/>.
*/
import java.util.ArrayList;
import java.util.List;
/**
* This class represents a UtilityList as used by the HUI-Miner algorithm.
*
* @see AlgoHUIMiner
* @see Element
* @author Philippe Fournier-Viger
*/
class UtilityList {
int item; // the item
int sumIutils = 0; // the sum of item utilities
int sumRutils = 0; // the sum of remaining utilities
List<Element> elements = new ArrayList<Element>(); // the elements
/**
* Constructor.
* @param item the item that is used for this utility list
*/
public UtilityList(int item){
this.item = item;
}
/**
* Method to add an element to this utility list and update the sums at the same time.
*/
public void addElement(Element element){
sumIutils += element.iutils;
sumRutils += element.rutils;
elements.add(element);
}
}