Class BinaryCompositeBinaryFunction.Helper<G,H,L,R,T>

java.lang.Object

org.apache.commons.functor.core.composite.BinaryCompositeBinaryFunction.Helper<G,H,L,R,T>

Type Parameters:

G - the function left argument type.

H - the function right argument type.

All Implemented Interfaces:

Serializable, BinaryFunction<L,R,T>, BinaryFunctor<L,R>, Functor

Enclosing class:

BinaryCompositeBinaryFunction<L,R,T>

private static class BinaryCompositeBinaryFunction.Helper<G,H,L,R,T>
extends Object
implements BinaryFunction<L,R,T>, Serializable

Type-remembering Helper.

Version:

$Revision$ $Date$

Field Summary

Fields

Modifier and Type	Field	Description
private BinaryFunction<? super G, ? super H, ? extends T>	f	Global evaluator.
private BinaryFunction<? super L, ? super R, ? extends G>	g	This function evaluation will be the left argument of main evaluator.
private BinaryFunction<? super L, ? super R, ? extends H>	h	This function evaluation will be the right argument of main evaluator.
private static final long	serialVersionUID	serialVersionUID declaration.

Constructor Summary

Constructors

Constructor	Description
Helper(BinaryFunction<? super G, ? super H, ? extends T> f, BinaryFunction<? super L, ? super R, ? extends G> g, BinaryFunction<? super L, ? super R, ? extends H> h)	Create a new Helper.

Method Summary

Modifier and Type	Method	Description
T	evaluate(L left, R right)	Evaluate this function.

Methods inherited from class Object

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

Methods inherited from interface Functor

equals, hashCode, toString

Field Details

serialVersionUID

private static final long serialVersionUID

serialVersionUID declaration.

See Also:

• Constant Field Values

f

private BinaryFunction<? super G, ? super H, ? extends T> f

Global evaluator.

g

private BinaryFunction<? super L, ? super R, ? extends G> g

This function evaluation will be the left argument of main evaluator.

h

private BinaryFunction<? super L, ? super R, ? extends H> h

This function evaluation will be the right argument of main evaluator.

Constructor Details

Helper

public Helper(BinaryFunction<? super G, ? super H, ? extends T> f,
 BinaryFunction<? super L, ? super R, ? extends G> g,
 BinaryFunction<? super L, ? super R, ? extends H> h)

Create a new Helper.

Parameters:

f - final BinaryFunction to evaluate

g - left preceding BinaryFunction

h - right preceding BinaryFunction

Method Details

evaluate

public T evaluate(L left,
 R right)

Evaluate this function.

Specified by:

evaluate in interface BinaryFunction<G,H,L>

Parameters:

left - the L element of the ordered pair of arguments

right - the R element of the ordered pair of arguments

Returns:

the T result of this function for the given arguments