de.hsbremen.tc.tnc.report

Class LeastPrivilegeRecommendationComparator

java.lang.Object

de.hsbremen.tc.tnc.report.LeastPrivilegeRecommendationComparator

All Implemented Interfaces:

Comparator<ImvRecommendationPair>

public final class LeastPrivilegeRecommendationComparator
extends Object
implements Comparator<ImvRecommendationPair>

Simple recommendation comparator comparing recommendations based on the least privilege principle.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	LeastPrivilegeRecommendationComparator.Singleton Singleton to instantiate the factory only on first access.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	LeastPrivilegeRecommendationComparator() Creates the least privilege comparator.

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(ImvRecommendationPair o1, ImvRecommendationPair o2)
static Comparator<ImvRecommendationPair>	getInstance() Returns the singleton instance of this factory.
private int	weightImvAction(long id) Returns a weight for a action recommendation ID where the most negative action has the highest weight.
private int	weightImvEvaluation(long id) Returns a weight for an evaluation result ID where the most negative result has the highest weight.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

LeastPrivilegeRecommendationComparator

private LeastPrivilegeRecommendationComparator()

Creates the least privilege comparator.

Method Detail

getInstance

public static Comparator<ImvRecommendationPair> getInstance()

Returns the singleton instance of this factory.

Returns:

the factory

weightImvAction

private int weightImvAction(long id)

Returns a weight for a action recommendation ID where the most negative action has the highest weight.

Parameters:

id - the action recommendation ID

Returns:

the weight value

weightImvEvaluation

private int weightImvEvaluation(long id)

Returns a weight for an evaluation result ID where the most negative result has the highest weight.

Parameters:

id - the result ID

Returns:

the weight value

compare

public int compare(ImvRecommendationPair o1,
          ImvRecommendationPair o2)

Specified by:

compare in interface Comparator<ImvRecommendationPair>