/*
* 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.filter;
import com.rapidminer.example.Attribute;
import com.rapidminer.example.ExampleSet;
import com.rapidminer.operator.OperatorDescription;
import com.rapidminer.operator.OperatorException;
import com.rapidminer.operator.annotation.ResourceConsumptionEstimator;
import com.rapidminer.operator.ports.metadata.ExampleSetMetaData;
import com.rapidminer.operator.ports.metadata.MetaData;
import com.rapidminer.operator.preprocessing.AbstractDataProcessing;
import com.rapidminer.parameter.UndefinedParameterError;
import com.rapidminer.tools.OperatorResourceConsumptionHandler;
/**
* <p>
* This operator replaces the names of the regular attributes by the corresponding
* construction descriptions if the attribute was constructed at all.
* </p>
*
* @author Ingo Mierswa
*/
public class Construction2Names extends AbstractDataProcessing {
public Construction2Names(OperatorDescription description) {
super(description);
}
@Override
protected MetaData modifyMetaData(ExampleSetMetaData metaData) throws UndefinedParameterError {
metaData.clear();
metaData.attributesAreSuperset();
return metaData;
}
@Override
public ExampleSet apply(ExampleSet exampleSet) throws OperatorException {
for (Attribute attribute : exampleSet.getAttributes()) {
String construction = attribute.getConstruction();
if (construction != null) {
attribute.setName(construction);
}
}
return exampleSet;
}
@Override
public boolean writesIntoExistingData() {
return false;
}
@Override
public ResourceConsumptionEstimator getResourceConsumptionEstimator() {
return OperatorResourceConsumptionHandler.getResourceConsumptionEstimator(getInputPort(), Construction2Names.class, null);
}
}