org.cactoos.func

Class FuncWithFallback<X,Y>

java.lang.Object

org.cactoos.func.FuncWithFallback<X,Y>

Type Parameters:

X - Type of input

Y - Type of output

All Implemented Interfaces:

Func<X,Y>

public final class FuncWithFallback<X,Y>
extends Object
implements Func<X,Y>

Func with a fallback plan.

There is no thread-safety guarantee.

Since:

0.2

Nested Class Summary

Nested classes/interfaces inherited from interface org.cactoos.Func

Func.NoNulls<X,Y>

Constructor Summary

Constructors

Constructor and Description
FuncWithFallback(Func<X,Y> fnc, FallbackFrom<Y> fbk) Ctor.
FuncWithFallback(Func<X,Y> fnc, FallbackFrom<Y> fbk, Func<Y,Y> flw) Ctor.
FuncWithFallback(Func<X,Y> fnc, Iterable<FallbackFrom<Y>> fbks) Ctor.
FuncWithFallback(Func<X,Y> fnc, Iterable<FallbackFrom<Y>> fbks, Func<Y,Y> flw) Ctor.

Method Summary

Modifier and Type	Method and Description
Y	apply(X input) Apply it.

Methods inherited from class java.lang.Object

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

Constructor Detail

FuncWithFallback

public FuncWithFallback(Func<X,Y> fnc,
                        FallbackFrom<Y> fbk)

Ctor.

Parameters:

fnc - The func

fbk - The fallback

FuncWithFallback

public FuncWithFallback(Func<X,Y> fnc,
                        FallbackFrom<Y> fbk,
                        Func<Y,Y> flw)

Ctor.

Parameters:

fnc - The func

fbk - The fallback

flw - The follow up func

FuncWithFallback

public FuncWithFallback(Func<X,Y> fnc,
                        Iterable<FallbackFrom<Y>> fbks)

Ctor.

Parameters:

fnc - The func

fbks - The fallbacks

FuncWithFallback

public FuncWithFallback(Func<X,Y> fnc,
                        Iterable<FallbackFrom<Y>> fbks,
                        Func<Y,Y> flw)

Ctor.

Parameters:

fnc - The func

fbks - The fallbacks

flw - The follow up func

Method Detail

apply

public Y apply(X input)
        throws Exception

Description copied from interface: Func

Apply it.

Specified by:

apply in interface Func<X,Y>

Parameters:

input - The argument

Returns:

The result

Throws:

Exception - If fails