<?php declare(strict_types = 1);
namespace MailPoet\Automation\Engine\Data;
if (!defined('ABSPATH')) exit;
use MailPoet\Automation\Engine\Data\Subject as SubjectData;
use MailPoet\Automation\Engine\Exceptions;
use MailPoet\Automation\Engine\Integration\Payload;
use MailPoet\Automation\Engine\Integration\Subject;
use Throwable;
/**
* @template-covariant S of Subject<Payload>
*/
class SubjectEntry {
/** @var S */
private $subject;
/** @var SubjectData */
private $subjectData;
/** @var Payload|null */
private $payloadCache;
/** @param S $subject */
public function __construct(
Subject $subject,
SubjectData $subjectData
) {
$this->subject = $subject;
$this->subjectData = $subjectData;
}
/** @return S */
public function getSubject(): Subject {
return $this->subject;
}
/** @return Payload */
public function getPayload() {
if ($this->payloadCache === null) {
try {
$this->payloadCache = $this->subject->getPayload($this->subjectData);
} catch (Throwable $e) {
throw Exceptions::subjectLoadFailed($this->subject->getKey(), $this->subjectData->getArgs());
}
}
return $this->payloadCache;
}
}