Package org.dmfs.jems2.comparator

Class By<T>

java.lang.Object

org.dmfs.jems2.comparator.By<T>

All Implemented Interfaces:

Comparator<T>

public final class By<T>
extends Object
implements Comparator<T>

A Comparator which compares objects by a key derived from the compared objects.

Constructor Summary

Constructors

Constructor	Description
By(Function<? super T,? extends V> keyFunction)
By(Function<? super T,? extends V> keyFunction, Comparator<? super V> delegate)

Method Summary

Modifier and Type	Method	Description
int	compare(T left, T right)

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

By

public By(Function<? super T,? extends V> keyFunction)

By

public By(Function<? super T,? extends V> keyFunction,
 Comparator<? super V> delegate)

Method Details

compare

public int compare(T left,
 T right)

Specified by:

compare in interface Comparator<T>