/**
* 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.tree;
import com.rapidminer.example.Attribute;
import com.rapidminer.example.Example;
import com.rapidminer.tools.Ontology;
import com.rapidminer.tools.Tools;
/**
* Returns true if the value of the desired attribute is greater then a given threshold.
*
* @author Ingo Mierswa
*/
public class GreaterSplitCondition extends AbstractSplitCondition {
private static final long serialVersionUID = 7094464803196955502L;
private double value;
private final int attValueType;
public GreaterSplitCondition(Attribute attribute, double value) {
super(attribute.getName());
this.value = value;
this.attValueType = attribute.getValueType();
}
@Override
public boolean test(Example example) {
return example.getValue(example.getAttributes().get(getAttributeName())) > value;
}
@Override
public String getRelation() {
return ">";
}
public double getValue() {
return value;
}
@Override
public String getValueString() {
if (Ontology.ATTRIBUTE_VALUE_TYPE.isA(attValueType, Ontology.DATE)) {
return Tools.createDateAndFormat(value);
} else if (Ontology.ATTRIBUTE_VALUE_TYPE.isA(attValueType, Ontology.TIME)) {
return Tools.createTimeAndFormat(value);
} else if (Ontology.ATTRIBUTE_VALUE_TYPE.isA(attValueType, Ontology.DATE_TIME)) {
return Tools.createDateTimeAndFormat(value);
} else {
return Tools.formatIntegerIfPossible(this.value);
}
}
}