<?php declare(strict_types=1);

/*

* This file is part of the CleverAge/ProcessBundle package.

*

* Copyright (C) 2017-2021 Clever-Age

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace CleverAge\ProcessBundle\Task;

use CleverAge\ProcessBundle\Model\ProcessState;

use Symfony\Component\OptionsResolver\Exception\AccessException;

use Symfony\Component\OptionsResolver\Exception\ExceptionInterface;

use Symfony\Component\OptionsResolver\Exception\UndefinedOptionsException;

use Symfony\Component\OptionsResolver\OptionsResolver;

/**

* Iterate over a static pre-defined set of values.

*

* Always send the same output regardless of the input, only accepts array for values and iterate over it.

*

* Same as {@see ConstantOutputTask} iterate over values.

*

* ##### Task reference

*

* * **Service**: `CleverAge\ProcessBundle\Task\ConstantIterableOutputTask`

* * **Iterable task**

* * **Input**: _ignored_

* * **Output**: `any`, values from the `output` option

*

* ##### Options

*

* * **`output`** (`array`, _required_): Array of values to iterate onto

*

* @author Valentin Clavreul <vclavreul@clever-age.com>

* @author Vincent Chalnot <vchalnot@clever-age.com>

*/

class ConstantIterableOutputTask extends AbstractIterableOutputTask

{

/**

* {@inheritDoc}

*

* @internal

*/

protected function configureOptions(OptionsResolver $resolver)

{

$resolver->setRequired(

[

'output',

]

);

$resolver->setAllowedTypes('output', ['array']);

}

/**

* {@inheritdoc}

*

* @throws ExceptionInterface

* @throws \InvalidArgumentException

*/

protected function initializeIterator(ProcessState $state): \Iterator

{

return new \ArrayIterator($this->getOption($state, 'output'));

}

}