/*
* ARX: Powerful Data Anonymization
* Copyright 2012 - 2017 Fabian Prasser, Florian Kohlmayer and contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.deidentifier.arx.examples;
import java.io.IOException;
import org.deidentifier.arx.ARXAnonymizer;
import org.deidentifier.arx.ARXConfiguration;
import org.deidentifier.arx.ARXLattice;
import org.deidentifier.arx.ARXLattice.ARXNode;
import org.deidentifier.arx.ARXResult;
import org.deidentifier.arx.AttributeType.Hierarchy;
import org.deidentifier.arx.AttributeType.Hierarchy.DefaultHierarchy;
import org.deidentifier.arx.Data;
import org.deidentifier.arx.Data.DefaultData;
import org.deidentifier.arx.DataHandle;
import org.deidentifier.arx.criteria.KAnonymity;
/**
* This class implements an example of how to use the API for creating different
* output representations of an input dataset.
*
* @author Fabian Prasser
* @author Florian Kohlmayer
*/
public class Example19 extends Example {
/**
* Entry point.
*
* @param args
* the arguments
*/
public static void main(String[] args) throws IOException {
// Define data
DefaultData data = Data.create();
data.add("age", "gender", "zipcode");
data.add("34", "male", "81667");
data.add("45", "female", "81675");
data.add("66", "male", "81925");
data.add("70", "female", "81931");
data.add("34", "female", "81931");
data.add("70", "male", "81931");
data.add("45", "male", "81931");
// Define hierarchies
DefaultHierarchy age = Hierarchy.create();
age.add("34", "<50", "*");
age.add("45", "<50", "*");
age.add("66", ">=50", "*");
age.add("70", ">=50", "*");
DefaultHierarchy gender = Hierarchy.create();
gender.add("male", "*");
gender.add("female", "*");
// Only excerpts for readability
DefaultHierarchy zipcode = Hierarchy.create();
zipcode.add("81667", "8166*", "816**", "81***", "8****", "*****");
zipcode.add("81675", "8167*", "816**", "81***", "8****", "*****");
zipcode.add("81925", "8192*", "819**", "81***", "8****", "*****");
zipcode.add("81931", "8193*", "819**", "81***", "8****", "*****");
data.getDefinition().setAttributeType("age", age);
data.getDefinition().setAttributeType("gender", gender);
data.getDefinition().setAttributeType("zipcode", zipcode);
// Create an instance of the anonymizer
ARXAnonymizer anonymizer = new ARXAnonymizer();
// Create config
ARXConfiguration config = ARXConfiguration.create();
config.addPrivacyModel(new KAnonymity(2));
config.setMaxOutliers(0d);
ARXResult result = anonymizer.anonymize(data, config);
// Obtain results
ARXLattice lattice = result.getLattice();
ARXNode topNode = lattice.getTop();
ARXNode bottomNode = lattice.getBottom();
// Obtain various data representations
DataHandle optimal = result.getOutput();
DataHandle top = result.getOutput(topNode);
DataHandle bottom = result.getOutput(bottomNode);
// Print input
System.out.println(" - Input data:");
printHandle(data.getHandle());
// Print results
System.out.println(" - Top node data:");
printHandle(top);
System.out.println(" - Bottom node data:");
printHandle(bottom);
System.out.println(" - Optimal data:");
printHandle(optimal);
}
}