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<?php
namespace Robo\Collection;
use Robo\Result;
use Robo\Contract\TaskInterface;
use Robo\State\StateAwareInterface;
use Robo\ResultData;
/**
* Creates a task wrapper that converts any Callable into an
* object that can be used directly with a task collection.
*
* It is not necessary to use this class directly; Collection will
* automatically wrap Callables when they are added.
*/
class CallableTask implements TaskInterface
{
* @var callable
protected $fn;
* @var \Robo\Contract\TaskInterface
protected $reference;
public function __construct(callable $fn, TaskInterface $reference)
$this->fn = $fn;
$this->reference = $reference;
}
* @return \Robo\Result
public function run()
$result = call_user_func($this->fn, $this->getState());
// If the function returns no result, then count it
// as a success.
if (!isset($result)) {
$result = Result::success($this->reference);
// If the function returns a result, it must either return
// a \Robo\Result or an exit code. In the later case, we
// convert it to a \Robo\Result.
if (!$result instanceof Result) {
$result = new Result($this->reference, $result);
return $result;
public function getState()
if ($this->reference instanceof StateAwareInterface) {
return $this->reference->getState();
return new ResultData();
consolidation /
robo
