org.jjoost.util
Class Functions.MapEntryKeyProjection<E extends java.util.Map.Entry<K,?>,K>

java.lang.Object
  org.jjoost.util.Functions.MapEntryKeyProjection<E,K>

All Implemented Interfaces:

java.io.Serializable, Function<E,K>

Enclosing class:

Functions

public static final class Functions.MapEntryKeyProjection<E extends java.util.Map.Entry<K,?>,K>
extends java.lang.Object
implements Function<E,K>

A function that retrieves the key portion of a Map.Entry

Author:

b.elliottsmith

See Also:

Serialized Form

Constructor Summary

Functions.MapEntryKeyProjection()

Method Summary

K	apply(E v) Returns the result of applying the function to the parameter

Methods inherited from class java.lang.Object

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

Constructor Detail

Functions.MapEntryKeyProjection

public Functions.MapEntryKeyProjection()

Method Detail

apply

public K apply(E v)

Description copied from interface: Function

Returns the result of applying the function to the parameter

Specified by:

apply in interface Function<E extends java.util.Map.Entry<K,?>,K>

Parameters:

v - something of type domain

Returns:

the result of the function (something of type range)