/** * Copyright (C) 2001-2017 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.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; } }