/*
 * 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 java.util.Iterator;

import org.deidentifier.arx.ARXAnonymizer;
import org.deidentifier.arx.ARXConfiguration;
import org.deidentifier.arx.ARXResult;
import org.deidentifier.arx.AttributeType;
import org.deidentifier.arx.Data;
import org.deidentifier.arx.Data.DefaultData;
import org.deidentifier.arx.aggregates.HierarchyBuilderRedactionBased;
import org.deidentifier.arx.aggregates.HierarchyBuilderRedactionBased.Order;
import org.deidentifier.arx.criteria.KAnonymity;

import cern.colt.Arrays;

/**
 * This class implements examples on how to directly use empty and functional
 * hierarchies.
 *
 * @author Fabian Prasser
 * @author Florian Kohlmayer
 */
public class Example24 extends Example {

    /**
     * Entry point.
     * 
     * @param args
     *            The arguments
     * @throws IOException
     */
    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
        HierarchyBuilderRedactionBased<?> builder1 = HierarchyBuilderRedactionBased.create(Order.RIGHT_TO_LEFT,
                                                                                           Order.RIGHT_TO_LEFT,
                                                                                           ' ',
                                                                                           '*');
        HierarchyBuilderRedactionBased<?> builder2 = HierarchyBuilderRedactionBased.create(Order.RIGHT_TO_LEFT,
                                                                                           Order.RIGHT_TO_LEFT,
                                                                                           ' ',
                                                                                           '*');

        data.getDefinition().setAttributeType("age", builder1);
        data.getDefinition().setAttributeType("gender", AttributeType.QUASI_IDENTIFYING_ATTRIBUTE);
        data.getDefinition().setAttributeType("zipcode", builder2);

        // Create an instance of the anonymizer
        ARXAnonymizer anonymizer = new ARXAnonymizer();
        ARXConfiguration config = ARXConfiguration.create();
        config.addPrivacyModel(new KAnonymity(3));
        config.setMaxOutliers(0d);
        ARXResult result = anonymizer.anonymize(data, config);

        // Print info
        printResult(result, data);

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