org.apache.commons.functor.core.composite
Class Conditional

java.lang.Object
  org.apache.commons.functor.core.composite.Conditional

public final class Conditional
extends java.lang.Object

Utility methods for creating conditional functors.

Version:

$Revision: 665786 $ $Date: 2008-06-09 12:17:39 -0500 (Mon, 09 Jun 2008) $

Author:

Rodney Waldhoff

Constructor Summary

Conditional()
Create a new Conditional.

Method Summary

static <L,R,T> BinaryFunction<L,R,T>	function(BinaryPredicate<? super L,? super R> q, BinaryFunction<? super L,? super R,? extends T> r, BinaryFunction<? super L,? super R,? extends T> s) Create a conditional binary function.
static <A,T> UnaryFunction<A,T>	function(UnaryPredicate<? super A> q, UnaryFunction<? super A,? extends T> r, UnaryFunction<? super A,? extends T> s) Create a conditional function.
static <L,R> BinaryPredicate<L,R>	predicate(BinaryPredicate<? super L,? super R> q, BinaryPredicate<? super L,? super R> r, BinaryPredicate<? super L,? super R> s) Create a conditional binary predicate.
static <A> UnaryPredicate<A>	predicate(UnaryPredicate<? super A> q, UnaryPredicate<? super A> r, UnaryPredicate<? super A> s) Create a conditional predicate.
static <L,R> BinaryProcedure<L,R>	procedure(BinaryPredicate<? super L,? super R> q, BinaryProcedure<? super L,? super R> r, BinaryProcedure<? super L,? super R> s) Create a conditional binary procedure.
static <A> UnaryProcedure<A>	procedure(UnaryPredicate<? super A> q, UnaryProcedure<? super A> r, UnaryProcedure<? super A> s) Create a conditional procedure.

Methods inherited from class java.lang.Object

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

Constructor Detail

Conditional

public Conditional()

Create a new Conditional.

Method Detail

procedure

public static final <A> UnaryProcedure<A> procedure(UnaryPredicate<? super A> q,
                                                    UnaryProcedure<? super A> r,
                                                    UnaryProcedure<? super A> s)

Create a conditional procedure.

Parameters:

q - if

r - then

s - else

Returns:

UnaryProcedure

function

public static final <A,T> UnaryFunction<A,T> function(UnaryPredicate<? super A> q,
                                                      UnaryFunction<? super A,? extends T> r,
                                                      UnaryFunction<? super A,? extends T> s)

Create a conditional function.

Parameters:

q - if

r - then

s - else

Returns:

UnaryFunction

predicate

public static final <A> UnaryPredicate<A> predicate(UnaryPredicate<? super A> q,
                                                    UnaryPredicate<? super A> r,
                                                    UnaryPredicate<? super A> s)

Create a conditional predicate.

Parameters:

q - if

r - then

s - else

Returns:

UnaryPredicate

procedure

public static final <L,R> BinaryProcedure<L,R> procedure(BinaryPredicate<? super L,? super R> q,
                                                         BinaryProcedure<? super L,? super R> r,
                                                         BinaryProcedure<? super L,? super R> s)

Create a conditional binary procedure.

Parameters:

q - if

r - then

s - else

Returns:

BinaryProcedure

function

public static final <L,R,T> BinaryFunction<L,R,T> function(BinaryPredicate<? super L,? super R> q,
                                                           BinaryFunction<? super L,? super R,? extends T> r,
                                                           BinaryFunction<? super L,? super R,? extends T> s)

Create a conditional binary function.

Parameters:

q - if

r - then

s - else

Returns:

BinaryFunction

predicate

public static final <L,R> BinaryPredicate<L,R> predicate(BinaryPredicate<? super L,? super R> q,
                                                         BinaryPredicate<? super L,? super R> r,
                                                         BinaryPredicate<? super L,? super R> s)

Create a conditional binary predicate.

Parameters:

q - if

r - then

s - else

Returns:

BinaryPredicate