/*
 * ARX: Efficient, Stable and Optimal Data Anonymization
 * Copyright (C) 2012 - 2014 Florian Kohlmayer, Fabian Prasser
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package org.deidentifier.arx.examples;

import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;

import org.deidentifier.arx.ARXAnonymizer;
import org.deidentifier.arx.ARXConfiguration;
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.criteria.KAnonymity;
import org.deidentifier.arx.metric.Metric;

/**
 * This class implements an example on how to use the NDS Metric
 * 
 * @author Fabian Prasser
 * @author Florian Kohlmayer
 */
public class Example14 extends Example {

    /**
     * Entry point.
     * 
     * @param args
     *            the arguments
     */
    public static void main(final String[] args) {

        // Define data
        final 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
        final DefaultHierarchy age = Hierarchy.create();
        age.add("34", "<50", "*");
        age.add("45", "<50", "*");
        age.add("66", ">=50", "*");
        age.add("70", ">=50", "*");

        final DefaultHierarchy gender = Hierarchy.create();
        gender.add("male", "*");
        gender.add("female", "*");

        // Only excerpts for readability
        final 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
        final ARXAnonymizer anonymizer = new ARXAnonymizer();
        final ARXConfiguration config = ARXConfiguration.create();
        config.addCriterion(new KAnonymity(3));
        
        // NDS-specific settings
        config.setMaxOutliers(1d); // Recommended default: 1d
        config.setAttributeWeight("age", 0.5d); // attribute weight
        config.setAttributeWeight("gender", 0.3d); // attribute weight
        config.setAttributeWeight("zipcode", 0.5d); // attribute weight
        config.setMetric(Metric.createNDSMetric(0.5d)); // suppression/generalization-factor
        
        try {
            final ARXResult result = anonymizer.anonymize(data, config);

            // Print info
            printResult(result, data);

            // Process results
            System.out.println(" - Transformed data:");
            final Iterator<String[]> transformed = result.getOutput(false)
                                                         .iterator();
            while (transformed.hasNext()) {
                System.out.print("   ");
                System.out.println(Arrays.toString(transformed.next()));
            }

        } catch (final IllegalArgumentException e) {
            throw new RuntimeException(e);
        } catch (final IOException e) {
            throw new RuntimeException(e);
        }
    }
}

Add example for using the NDS metric