com.github.andrewoma.dexx.collection
Class IdentityKeyFunction<E>

java.lang.Object
  com.github.andrewoma.dexx.collection.IdentityKeyFunction<E>

All Implemented Interfaces:

KeyFunction<E,E>

public class IdentityKeyFunction<E>
extends Object
implements KeyFunction<E,E>

IdentityKeyFunction is a KeyFunction where the value can be used as a key.

This is useful in DerivedKeyHashMap instances where the value defines equals() and hashCode() methods that only use the key.

Constructor Summary

IdentityKeyFunction()

Method Summary

E	key(E value)

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityKeyFunction

public IdentityKeyFunction()

Method Detail

key

@NotNull
public E key(@NotNull
                     E value)

Specified by:

key in interface KeyFunction<E,E>