Package org.faktorips.util.collections

Class DistinctElementComparator<T>

java.lang.Object

org.faktorips.util.collections.DistinctElementComparator<T>

All Implemented Interfaces:

Serializable, Comparator<Collection<T>>

public class DistinctElementComparator<T>
extends Object
implements Comparator<Collection<T>>, Serializable

Compares two collections by sorting the content using the element comparator and then compare one element after the other. If a collection contains duplicated entries these duplicates will be removed. If you need to compare two lists with specific order and duplicated values you may better use ListComparator

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
DistinctElementComparator(Comparator<T> elementComparator)

Method Summary

Modifier and Type	Method	Description
int	compare(Collection<T> o1, Collection<T> o2)
static <T> DistinctElementComparator<T>	createComparator(Comparator<T> elementComparator)

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, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

DistinctElementComparator

public DistinctElementComparator(Comparator<T> elementComparator)

Method Details

createComparator

public static <T> DistinctElementComparator<T> createComparator(Comparator<T> elementComparator)

compare

public int compare(Collection<T> o1,
 Collection<T> o2)

Specified by:

compare in interface Comparator<T>