/** * 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.preprocessing.sampling.sequences; import com.rapidminer.tools.RandomGenerator; /** * This is an abstract super class of all sampling sequence generators. Subclasses of this class * will return a sequence of true/false values to indicate that the next example to come should be * part of the sample or not. * * @author Sebastian Land */ public abstract class SamplingSequenceGenerator { protected RandomGenerator random; protected SamplingSequenceGenerator(RandomGenerator random) { this.random = random; } /** * This method has to be overridden. Subclasses must implement this method, so that it returns * true if the next example should be part of the sample or no otherwise. */ public abstract boolean useNext(); }