Package com.github.andrewoma.dexx.collection

Class IdentityKeyFunction<E>

  • All Implemented Interfaces:
    KeyFunction<E,​E>
    public class IdentityKeyFunction<E>
extends java.lang.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.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      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>