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:

$Revision$ $Date$

Constructor Summary

Constructors
Constructor Description

Conditional()
Conditional instances should NOT be constructed in standard programming.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`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 BinaryFunction.
`static <T> Function<T>`	`function(Predicate q, Function<? extends T> r, Function<? extends T> s)`	Create a conditional 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 UnaryFunction.
`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 BinaryPredicate.
`static Predicate`	`predicate(Predicate q, Predicate r, Predicate s)`	Create a conditional Predicate.
`static <A> UnaryPredicate<A>`	`predicate(UnaryPredicate<? super A> q, UnaryPredicate<? super A> r, UnaryPredicate<? super A> s)`	Create a conditional UnaryPredicate.
`static <L,R> BinaryProcedure<L,R>`	`procedure(BinaryPredicate<? super L,? super R> q, BinaryProcedure<? super L,? super R> r)`	Create a guarded BinaryProcedure.
`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 BinaryProcedure.
`static Procedure`	`procedure(Predicate q, Procedure r)`	Create a guarded Procedure.
`static Procedure`	`procedure(Predicate q, Procedure r, Procedure s)`	Create a conditional Procedure.
`static <A> UnaryProcedure<A>`	`procedure(UnaryPredicate<? super A> q, UnaryProcedure<? super A> r)`	Create a guarded UnaryProcedure.
`static <A> UnaryProcedure<A>`	`procedure(UnaryPredicate<? super A> q, UnaryProcedure<? super A> r, UnaryProcedure<? super A> s)`	Create a conditional UnaryProcedure.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- Conditional
```
public Conditional()
```
  Conditional instances should NOT be constructed in standard programming. Instead, the methods of the class should be invoked statically.
  
  This constructor is public to permit tools that require a JavaBean instance to operate.

Method Detail

procedure

public static Procedure procedure(Predicate q,
                                  Procedure r)

Create a guarded Procedure.

Parameters:: q - if; r - then
Returns:: Procedure

procedure

public static Procedure procedure(Predicate q,
                                  Procedure r,
                                  Procedure s)

Create a conditional Procedure.

Parameters:: q - if; r - then; s - else
Returns:: Procedure

function

public static <T> Function<T> function(Predicate q,
                                       Function<? extends T> r,
                                       Function<? extends T> s)

Create a conditional Function.

Type Parameters:: T - the input functions parameter type
Parameters:: q - if; r - then; s - else
Returns:: Function

predicate

public static Predicate predicate(Predicate q,
                                  Predicate r,
                                  Predicate s)

Create a conditional Predicate.

Parameters:: q - if; r - then; s - else
Returns:: Predicate

procedure

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

Create a guarded UnaryProcedure.

Type Parameters:: A - the predicates argument type.
Parameters:: q - if; r - then
Returns:: UnaryProcedure

procedure

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

Create a conditional UnaryProcedure.

Type Parameters:: A - the predicates argument type.
Parameters:: q - if; r - then; s - else
Returns:: UnaryProcedure

function

public 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 UnaryFunction.

Type Parameters:: A - the predicates argument type.; T - the output function returned value type.
Parameters:: q - if; r - then; s - else
Returns:: UnaryFunction

predicate

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

Create a conditional UnaryPredicate.

Type Parameters:: A - the predicates argument type.
Parameters:: q - if; r - then; s - else
Returns:: UnaryPredicate

procedure

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

Create a guarded BinaryProcedure.

Type Parameters:: L - the left argument type.; R - the right argument type.
Parameters:: q - if; r - then
Returns:: BinaryProcedure

procedure

public 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 BinaryProcedure.

Type Parameters:: L - the left argument type.; R - the right argument type.
Parameters:: q - if; r - then; s - else
Returns:: BinaryProcedure

function

public 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 BinaryFunction.

Type Parameters:: L - the left argument type.; R - the right argument type.; T - the output function returned value type.
Parameters:: q - if; r - then; s - else
Returns:: BinaryFunction

predicate

public 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 BinaryPredicate.

Type Parameters:: L - the left argument type.; R - the right argument type.
Parameters:: q - if; r - then; s - else
Returns:: BinaryPredicate

Class Conditional

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Conditional

Method Detail

procedure

procedure

function

predicate

procedure

procedure

function

predicate

procedure

procedure

function

predicate