/**
* 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.generator;
import com.rapidminer.example.Attribute;
import com.rapidminer.example.table.AttributeFactory;
import com.rapidminer.example.table.ExampleTable;
import com.rapidminer.tools.Ontology;
/**
* This class has two numerical input attributes and one output attribute. The result will be the
* algebraic or (s-norm) of the input attributes.
*
* @author Ingo Mierswa
*/
public class AlgebraicOrGenerator extends BinaryNumericalGenerator {
public AlgebraicOrGenerator() {}
@Override
public Attribute[] getOutputAttributes(ExampleTable input) {
Attribute a1 = getArgument(0);
Attribute a2 = getArgument(1);
Attribute ao = AttributeFactory.createAttribute(Ontology.NUMERICAL, Ontology.SINGLE_VALUE,
getFunction() + "(" + a1.getConstruction() + "," + a2.getConstruction() + ")");
return new Attribute[] { ao };
}
@Override
public boolean isSelfApplicable() {
return false;
}
@Override
public boolean isCommutative() {
return true;
}
@Override
public FeatureGenerator newInstance() {
return new AlgebraicOrGenerator();
}
@Override
public double calculateValue(double value1, double value2) {
return (value1 + value2) - (value1 * value2);
}
@Override
public void setFunction(String name) {}
@Override
public String getFunction() {
return "algOr";
}
}