/*
* 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.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();
}