/*
* RapidMiner
*
* Copyright (C) 2001-2011 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.learner.associations.gsp;
/**
* This class holds informations about the start and end time of a set of transactions.
* Please note, that the set itself isn't saved, and isn't needed.
* @author Sebastian Land
*/
public class TransactionSet {
private double startTime = Double.POSITIVE_INFINITY;
private double endTime = Double.NEGATIVE_INFINITY;
public double getEndTime() {
return endTime;
}
public double getStartTime() {
return startTime;
}
public void addTimeOfTransaction(double time) {
if (time > this.endTime)
this.endTime = time;
if (time < this.startTime)
this.startTime = time;
}
@Override
public String toString() {
return startTime + " - " + endTime;
}
public void reset() {
startTime = Double.POSITIVE_INFINITY;
endTime = Double.NEGATIVE_INFINITY;
}
}