de.caff.generics.matcher

Class ComparatorMatcher<T>

java.lang.Object

de.caff.generics.matcher.ComparatorMatcher<T>

All Implemented Interfaces:

Matcher<T,T>, UniformMatcher<T>, java.util.function.BiPredicate<T,T>

public class ComparatorMatcher<T>
extends java.lang.Object
implements UniformMatcher<T>

A matcher which uses a comparator for equality checking.

Objects are considered equal if the comparator returns 0.

How this matcher handles null values depends on the comparator.

Author:

Rammi

See Also:

Match.from(java.util.Comparator)

Field Summary

Fields inherited from interface de.caff.generics.UniformMatcher

IDENTICAL, NATURAL, NATURAL_NULL_SAFE

Constructor Summary

Constructors

Constructor and Description
ComparatorMatcher(java.util.Comparator<T> comparator) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	areEqual(T object1, T object2) Are the given two objects considered equal?

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.caff.generics.UniformMatcher

identical, natural, naturalNullSafe

Methods inherited from interface de.caff.generics.Matcher

foldLeft, foldRight, test

Methods inherited from interface java.util.function.BiPredicate

and, negate, or

Constructor Detail

ComparatorMatcher

public ComparatorMatcher(java.util.Comparator<T> comparator)

Constructor.

Parameters:

comparator - comparator

Method Detail

areEqual

public boolean areEqual(T object1,
                        T object2)

Are the given two objects considered equal?

Specified by:

areEqual in interface Matcher<T,T>

Parameters:

object1 - object 1

object2 - object 2

Returns:

true if this matcher considers the two object equals
false if this matcher considers them different