ConditionalFunction (Apache Commons Functor 1.0-SNAPSHOT API)

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

java.lang.Object
- org.apache.commons.functor.core.composite.ConditionalFunction<A,T>

Type Parameters:
A - the argument type.
T - the returned value type.

All Implemented Interfaces:

Function<A,T>, Functor, UnaryFunctor<A>
```
public final class ConditionalFunction<A,T>
extends Object
implements Function<A,T>
```
A Function similiar to Java's "ternary" or "conditional" operator (? :). Given a predicate p and functions f and g, evalautes to p.test(x) ? f.evaluate(x) : g.evaluate(x).

Version:

$Revision: 1537602 $ $Date: 2013-10-31 20:53:09 +0100 (Do, 31 Okt 2013) $

Constructor Summary

Constructors
Constructor and Description
`ConditionalFunction(Predicate<? super A> ifPred, Function<? super A,? extends T> thenFunc, Function<? super A,? extends T> elseFunc)` Create a new ConditionalFunction.

Method Summary

Methods
Modifier and Type Method and Description

boolean equals(Object obj)

T evaluate(A obj)
Evaluate this function.

int hashCode()

String toString()
- Methods inherited from class java.lang.Object
  clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ConditionalFunction
```
public ConditionalFunction(Predicate<? super A> ifPred,
                   Function<? super A,? extends T> thenFunc,
                   Function<? super A,? extends T> elseFunc)
```
    Create a new ConditionalFunction.
    
    Parameters:
    ifPred - if
    thenFunc - then
    elseFunc - else
- Method Detail
  - evaluate
```
public T evaluate(A obj)
```
    Evaluate this function.
    
    Specified by:
    
    evaluate in interface Function<A,T>
    
    Parameters:
    obj - the A object to evaluate
    
    Returns:
    the T result of this evaluation
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

Copyright © 2003–2014 The Apache Software Foundation. All rights reserved.