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<?php
/*
* This file is part of NodalFlow.
* (c) Fabrice de Stefanis / https://github.com/fab2s/NodalFlow
* This source file is licensed under the MIT license which you will
* find in the LICENSE file or at https://opensource.org/licenses/MIT
*/
namespace fab2s\NodalFlow\Nodes;
use fab2s\NodalFlow\Flows\FlowInterface;
use fab2s\NodalFlow\NodalFlowException;
/**
* abstract class PayloadNodeAbstract
abstract class PayloadNodeAbstract extends NodeAbstract implements PayloadNodeInterface
{
* The underlying executable or traversable Payload
*
* @var object|callable
protected $payload;
* A Payload Node is supposed to be immutable, and thus
* have no setters on $isAReturningVal and $isATraversable
* @param mixed $payload
* @param bool $isAReturningVal
* @param bool $isATraversable
* @throws NodalFlowException
public function __construct($payload, bool $isAReturningVal, bool $isATraversable = false)
$this->payload = $payload;
$this->isAFlow = (bool) ($payload instanceof FlowInterface);
$this->isAReturningVal = (bool) $isAReturningVal;
// let wrong traversability be enforced by parent
$this->isATraversable = (bool) $isATraversable;
parent::__construct();
}
* Get this Node's Payload
* @return object|callable
public function getPayload()
return $this->payload;
fab2s /
NodalFlow
