org.cactoos.func

Class RetryFunc<X,Y>

java.lang.Object

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

Type Parameters:

X - Type of input

Y - Type of output

All Implemented Interfaces:

Func<X,Y>

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

Func that will try a few times before throwing an exception.

There is no thread-safety guarantee.

Since:

0.8

Version:

$Id: c1ebcd55e2109a28f3f529fd326ccf9e8a9c872d $

Author:

Yegor Bugayenko ([email protected])

Nested Class Summary

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

Func.NoNulls<X,Y>

Constructor Summary

Constructors

Constructor and Description
RetryFunc(Func<X,Y> fnc) Ctor.
RetryFunc(Func<X,Y> fnc, Func<Integer,Boolean> ext) Ctor.
RetryFunc(Func<X,Y> fnc, int attempts) Ctor.
RetryFunc(Proc<X> proc) Ctor.
RetryFunc(Proc<X> proc, Func<Integer,Boolean> ext) Ctor.
RetryFunc(Proc<X> proc, int attempts) 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

RetryFunc

public RetryFunc(Proc<X> proc)

Ctor.

Parameters:

proc - Func original

Since:

0.12

RetryFunc

public RetryFunc(Proc<X> proc,
                 int attempts)

Ctor.

Parameters:

proc - Func original

attempts - Maximum number of attempts

Since:

0.12

RetryFunc

public RetryFunc(Proc<X> proc,
                 Func<Integer,Boolean> ext)

Ctor.

Parameters:

proc - Func original

ext - Exit condition, returns TRUE if there is no more reason to try

Since:

0.12

RetryFunc

public RetryFunc(Func<X,Y> fnc)

Ctor.

Parameters:

fnc - Func original

RetryFunc

public RetryFunc(Func<X,Y> fnc,
                 int attempts)

Ctor.

Parameters:

fnc - Func original

attempts - Maximum number of attempts

RetryFunc

public RetryFunc(Func<X,Y> fnc,
                 Func<Integer,Boolean> ext)

Ctor.

Parameters:

fnc - Func original

ext - Exit condition, returns TRUE if there is no more reason to try

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