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<?php |
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declare(strict_types = 1); |
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namespace Innmind\AMQP\Transport\Protocol; |
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use Innmind\AMQP\{ |
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Transport\Protocol, |
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Transport\Frame\Method, |
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Exception\VersionNotUsable, |
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}; |
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use Innmind\Stream\Readable; |
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use Innmind\Immutable\{ |
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Sequence, |
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StreamInterface, |
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}; |
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final class Delegate implements Protocol |
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{ |
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private $protocols; |
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private $inUse; |
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public function __construct(Protocol $first, Protocol ...$protocols) |
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{ |
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$protocols = Sequence::of($first, ...$protocols)->sort(static function(Protocol $a, Protocol $b): bool { |
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return $b->version()->higherThan($a->version()); |
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}); |
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$this->inUse = $protocols->first(); |
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$this->protocols = $protocols; |
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} |
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public function version(): Version |
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{ |
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return $this->inUse->version(); |
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} |
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public function use(Version $version): Protocol |
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{ |
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$protocols = $this |
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->protocols |
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->filter(static function(Protocol $protocol) use ($version): bool { |
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try { |
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$protocol->use($version); |
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return true; |
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} catch (VersionNotUsable $e) { |
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return false; |
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} |
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}); |
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if ($protocols->size() === 0) { |
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throw new VersionNotUsable($version); |
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} |
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$this->inUse = $protocols->first(); |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read(Method $method, Readable $arguments): StreamInterface |
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{ |
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return $this->inUse->read($method, $arguments); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function readHeader(Readable $arguments): StreamInterface |
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{ |
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return $this->inUse->readHeader($arguments); |
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} |
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public function method(string $name): Method |
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{ |
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return $this->inUse->method($name); |
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} |
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public function connection(): Connection |
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{ |
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return $this->inUse->connection(); |
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} |
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public function channel(): Channel |
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{ |
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return $this->inUse->channel(); |
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} |
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public function exchange(): Exchange |
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{ |
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return $this->inUse->exchange(); |
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} |
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public function queue(): Queue |
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{ |
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return $this->inUse->queue(); |
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} |
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public function basic(): Basic |
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{ |
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return $this->inUse->basic(); |
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} |
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public function transaction(): Transaction |
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{ |
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return $this->inUse->transaction(); |
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} |
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} |
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Innmind /
AMQP
