Module org.tquadrat.foundation.util

Package org.tquadrat.foundation.util.internal

Class ListBasedComparator.SimpleKeyProvider<T,K extends T>

java.lang.Object

org.tquadrat.foundation.util.internal.ListBasedComparator.SimpleKeyProvider<T,K>

Type Parameters:

T - The type to order.

K - The key type that is used to determine the order; this may be the same as the type itself. At least, an instance of type T must be assignable to K.

All Implemented Interfaces:

Comparators.KeyProvider<T,K>

Enclosing class:

ListBasedComparator<T,K>

@ClassVersion(sourceVersion="$Id: ListBasedComparator.java 1032 2022-04-10 17:27:44Z tquadrat $")
public static class ListBasedComparator.SimpleKeyProvider<T,K extends T>
extends Object
implements Comparators.KeyProvider<T,K>

A simple implementation of Comparators.KeyProvider that returns the instance itself as the sort order key.

Author:

Thomas Thrien (thomas.thrien@tquadrat.org)

Version:

$Id: ListBasedComparator.java 1032 2022-04-10 17:27:44Z tquadrat $

UML Diagram

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UML Diagram for "org.tquadrat.foundation.util.internal.ListBasedComparator.SimpleKeyProvider"

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Constructor Summary

Constructors

Constructor	Description
SimpleKeyProvider()	Creates a new instance of SimpleKeyProvider.

Method Summary

Modifier and Type	Method	Description
final K	getKey(T instance)	Returns the sort order key for the given instance.

Methods inherited from class java.lang.Object

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

Constructor Details

SimpleKeyProvider

public SimpleKeyProvider()

Creates a new instance of SimpleKeyProvider.

Method Details

getKey

public final K getKey(T instance)

Returns the sort order key for the given instance.

Specified by:

getKey in interface Comparators.KeyProvider<T,K extends T>

Parameters:

instance - The instance; may be null.

Returns:

The instance itself as the sort order key; null if the instance is null itself.