/*
* 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.gui.model;
import org.deidentifier.arx.criteria.DistinctLDiversity;
import org.deidentifier.arx.criteria.EntropyLDiversity;
import org.deidentifier.arx.criteria.EntropyLDiversity.EntropyEstimator;
import org.deidentifier.arx.criteria.PrivacyCriterion;
import org.deidentifier.arx.criteria.RecursiveCLDiversity;
import org.deidentifier.arx.gui.resources.Resources;
import org.deidentifier.arx.gui.view.SWTUtil;
/**
* This class implements a model for the l-diversity criterion.
*
* @author Fabian Prasser
*/
public class ModelLDiversityCriterion extends ModelExplicitCriterion{
/** SVUID. */
private static final long serialVersionUID = -9172448654255959945L;
/** Variant. */
public static final int VARIANT_DISTINCT = 0;
/** Variant. */
public static final int VARIANT_SHANNON_ENTROPY = 1;
/** Variant. */
public static final int VARIANT_GRASSBERGER_ENTROPY = 3;
/** Variant. */
public static final int VARIANT_RECURSIVE = 2;
/** The variant to use. */
private int variant = 0;
/** Parameter "l" */
private int l = 2;
/** Parameter "c", if any */
private double c = 0.001d;
/**
* Creates a new instance.
*
* @param attribute
*/
public ModelLDiversityCriterion(String attribute) {
super(attribute);
}
/**
* Creates a new instance.
*
* @param attribute
* @param variant
* @param l
* @param c
*/
public ModelLDiversityCriterion(String attribute,
int variant,
int l,
double c) {
super(attribute);
this.variant = variant;
this.l = l;
this.c = c;
}
@Override
public ModelLDiversityCriterion clone() {
ModelLDiversityCriterion result = new ModelLDiversityCriterion(this.getAttribute());
result.l = this.l;
result.c = this.c;
result.variant = this.variant;
result.setEnabled(this.isEnabled());
return result;
}
/**
* Gets C.
*
* @return
*/
public double getC() {
return c;
}
@Override
public PrivacyCriterion getCriterion(Model model) {
switch (variant) {
case VARIANT_DISTINCT:
return new DistinctLDiversity(getAttribute(), l);
case VARIANT_SHANNON_ENTROPY:
return new EntropyLDiversity(getAttribute(), l);
case VARIANT_RECURSIVE:
return new RecursiveCLDiversity(getAttribute(), c, l);
case VARIANT_GRASSBERGER_ENTROPY:
return new EntropyLDiversity(getAttribute(), l, EntropyEstimator.GRASSBERGER);
default:
throw new RuntimeException(Resources.getMessage("Model.0e")); //$NON-NLS-1$
}
}
/**
* Returns L.
*
* @return
*/
public int getL() {
return l;
}
@Override
public String getLabel() {
return '\u2113' + Resources.getMessage("Model.1e"); //$NON-NLS-1$ //$NON-NLS-2$
}
/**
* Returns the variant.
*
* @return
*/
public int getVariant() {
return variant;
}
@Override
public void parse(ModelCriterion criterion, boolean _default) {
if (!(criterion instanceof ModelLDiversityCriterion)) {
return;
}
ModelLDiversityCriterion other = (ModelLDiversityCriterion) criterion;
this.l = other.l;
this.c = other.c;
this.variant = other.variant;
if (!_default) {
this.setEnabled(other.isEnabled());
}
}
@Override
public void pull(ModelExplicitCriterion criterion) {
if (!(criterion instanceof ModelLDiversityCriterion)) {
throw new RuntimeException(Resources.getMessage("Model.2b")); //$NON-NLS-1$
}
ModelLDiversityCriterion other = (ModelLDiversityCriterion) criterion;
this.variant = other.variant;
this.l = other.l;
this.c = other.c;
}
/**
* Sets C.
*
* @param c
*/
public void setC(double c) {
this.c = c;
}
/**
* Sets L.
*
* @param l
*/
public void setL(int l) {
this.l = l;
}
/**
* Sets the variant.
*
* @param variant
*/
public void setVariant(int variant) {
this.variant = variant;
}
@Override
public String toString() {
switch (variant) {
case VARIANT_DISTINCT:
return Resources.getMessage("Model.3") + SWTUtil.getPrettyString(l) + Resources.getMessage("Model.4"); //$NON-NLS-1$ //$NON-NLS-2$
case VARIANT_SHANNON_ENTROPY:
return Resources.getMessage("Model.5") + SWTUtil.getPrettyString(l) + Resources.getMessage("Model.6"); //$NON-NLS-1$ //$NON-NLS-2$
case VARIANT_GRASSBERGER_ENTROPY:
return Resources.getMessage("Model.35") + SWTUtil.getPrettyString(l) + Resources.getMessage("Model.6"); //$NON-NLS-1$ //$NON-NLS-2$
case VARIANT_RECURSIVE:
return Resources.getMessage("Model.7") + SWTUtil.getPrettyString(c) + Resources.getMessage("Model.8") + SWTUtil.getPrettyString(l) + Resources.getMessage("Model.9"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
default:
throw new RuntimeException(Resources.getMessage("Model.10")); //$NON-NLS-1$
}
}
}