org.jjoost.util
Class Functions.FieldProjection<E,F>

java.lang.Object
  org.jjoost.util.Functions.FieldProjection<E,F>

All Implemented Interfaces:

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

Enclosing class:

Functions

public static final class Functions.FieldProjection<E,F>
extends java.lang.Object
implements Function<E,F>

A Function which accepts a Field (reflection API), which will be retrieved and returned from every object the function is applied to.

Author:

b.elliottsmith

See Also:

Serialized Form

Constructor Summary

Functions.FieldProjection(java.lang.Class<F> returnType, java.lang.reflect.Field f)
Create a new FieldProjection

Method Summary

F	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.FieldProjection

public Functions.FieldProjection(java.lang.Class<F> returnType,
                                 java.lang.reflect.Field f)

Create a new FieldProjection

Parameters:

returnType - the type stored by the field

f - the Field object

Method Detail

apply

public F 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,F>

Parameters:

v - something of type domain

Returns:

the result of the function (something of type range)