Class RightIdentity

java.lang.Object

org.apache.commons.functor.core.RightIdentity

public final class RightIdentity
extends Object

Holder class for a right-identity BinaryFunction (evaluates to the right argument) and a right-identity BinaryPredicate (tests whether right Boolean argument equals Boolean.TRUE).

Version:

$Revision$ $Date$

Field Summary

Fields

Modifier and Type	Field	Description
static final BinaryFunction<Object,Object,Object>	FUNCTION	Right-identity function.
static final BinaryPredicate<Object,Boolean>	PREDICATE	Right-identity predicate.

Constructor Summary

Constructors

Constructor	Description
RightIdentity()	Create a new RightIdentity.

Method Summary

Modifier and Type	Method	Description
static <L,R> BinaryFunction<L,R,R>	function()	Get a typed right-identity BinaryFunction.
static <L> BinaryPredicate<L,Boolean>	predicate()	Get a typed right-identity BinaryPredicate.

Methods inherited from class Object

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

Field Details

FUNCTION

public static final BinaryFunction<Object,Object,Object> FUNCTION

Right-identity function.

PREDICATE

public static final BinaryPredicate<Object,Boolean> PREDICATE

Right-identity predicate.

Constructor Details

RightIdentity

public RightIdentity()

Create a new RightIdentity.

Method Details

function

public static <L,R> BinaryFunction<L,R,R> function()

Get a typed right-identity BinaryFunction.

Type Parameters:

L - the left argument type.

R - the right argument type.

Returns:

BinaryFunctioninvalid input: '<'L, R, R>

predicate

public static <L> BinaryPredicate<L,Boolean> predicate()

Get a typed right-identity BinaryPredicate.

Type Parameters:

L - the left argument type.

Returns:

BinaryPredicateinvalid input: '<'L, Boolean>