<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Messenger;
use Symfony\Component\Messenger\Stamp\StampInterface;
/**
* A message wrapped in an envelope with stamps (configurations, markers, ...).
*
* @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
*/
final class Envelope
{
/**
* @var array<string, list<StampInterface>>
*/
private $stamps = [];
private $message;
/**
* @param StampInterface[] $stamps
*/
public function __construct(object $message, array $stamps = [])
{
$this->message = $message;
foreach ($stamps as $stamp) {
$this->stamps[\get_class($stamp)][] = $stamp;
}
}
/**
* Makes sure the message is in an Envelope and adds the given stamps.
*
* @param object|Envelope $message
* @param StampInterface[] $stamps
*/
public static function wrap(object $message, array $stamps = []): self
{
$envelope = $message instanceof self ? $message : new self($message);
return $envelope->with(...$stamps);
}
/**
* @return static A new Envelope instance with additional stamp
*/
public function with(StampInterface ...$stamps): self
{
$cloned = clone $this;
foreach ($stamps as $stamp) {
$cloned->stamps[\get_class($stamp)][] = $stamp;
}
return $cloned;
}
/**
* @return static A new Envelope instance without any stamps of the given class
*/
public function withoutAll(string $stampFqcn): self
{
$cloned = clone $this;
unset($cloned->stamps[$this->resolveAlias($stampFqcn)]);
return $cloned;
}
/**
* Removes all stamps that implement the given type.
*/
public function withoutStampsOfType(string $type): self
{
$cloned = clone $this;
$type = $this->resolveAlias($type);
foreach ($cloned->stamps as $class => $stamps) {
if ($class === $type || is_subclass_of($class, $type)) {
unset($cloned->stamps[$class]);
}
}
return $cloned;
}
public function last(string $stampFqcn): ?StampInterface
{
return isset($this->stamps[$stampFqcn = $this->resolveAlias($stampFqcn)]) ? end($this->stamps[$stampFqcn]) : null;
}
/**
* @return StampInterface[]|StampInterface[][] The stamps for the specified FQCN, or all stamps by their class name
*/
public function all(string $stampFqcn = null): array
{
if (null !== $stampFqcn) {
return $this->stamps[$this->resolveAlias($stampFqcn)] ?? [];
}
return $this->stamps;
}
/**
* @return object The original message contained in the envelope
*/
public function getMessage(): object
{
return $this->message;
}
/**
* BC to be removed in 6.0.
*/
private function resolveAlias(string $fqcn): string
{
static $resolved;
return $resolved[$fqcn] ?? ($resolved[$fqcn] = class_exists($fqcn) ? (new \ReflectionClass($fqcn))->getName() : $fqcn);
}
}