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<?php |
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namespace Aimeos\MW\MQueue\Queue; |
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class AMQP implements Iface |
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{ |
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private $channel; |
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private $queue; |
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/** |
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* Initializes the message queue class |
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* |
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* @param \PhpAmqpLib\Channel\AMQPChannel $channel AMQP channel |
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* @param string $queue Message queue name |
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* @throws \Aimeos\MW\MQueue\Exception |
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*/ |
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public function __construct( \PhpAmqpLib\Channel\AMQPChannel $channel, $queue ) |
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{ |
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try |
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{ |
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$channel->queue_declare( $queue, false, true, false, false ); |
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$channel->basic_qos( null, 1, null ); |
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} |
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catch( \Exception $e ) |
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{ |
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throw new \Aimeos\MW\MQueue\Exception( $e->getMessage() ); |
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} |
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$this->channel = $channel; |
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$this->queue = $queue; |
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} |
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/** |
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* Closes the channel on cleanup |
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*/ |
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public function __destruct() |
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{ |
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try { |
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$this->channel->close(); |
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} catch( \Exception $e ) { ; } |
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} |
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/** |
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* Adds a new message to the message queue |
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* |
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* @param string $msg Message, e.g. JSON encoded data |
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* @throws \Aimeos\MW\MQueue\Exception |
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*/ |
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public function add( $msg ) |
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{ |
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try |
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{ |
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$message = new \PhpAmqpLib\Message\AMQPMessage( $msg, array( 'delivery_mode' => 2 ) ); |
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$this->channel->basic_publish( $message, '', $this->queue ); |
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} |
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catch( \Exception $e ) |
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{ |
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throw new \Aimeos\MW\MQueue\Exception( $e->getMessage() ); |
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} |
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} |
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/** |
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* Removes the message from the queue |
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* |
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* @param \Aimeos\MW\MQueue\Message\Iface $msg Message object |
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* @throws \Aimeos\MW\MQueue\Exception |
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*/ |
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public function del( \Aimeos\MW\MQueue\Message\Iface $msg ) |
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{ |
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try { |
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$this->channel->basic_ack( $msg->getObject()->delivery_info['delivery_tag'] ); |
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} catch( \Exception $e ) { |
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throw new \Aimeos\MW\MQueue\Exception( $e->getMessage() ); |
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} |
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} |
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/** |
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* Returns the next message from the queue |
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* |
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* @return \Aimeos\MW\MQueue\Message\Iface|null Message object or null if none is available |
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* @throws \Aimeos\MW\MQueue\Exception |
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*/ |
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public function get() |
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{ |
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try |
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{ |
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if( ( $msg = $this->channel->basic_get( $this->queue ) ) !== null ) { |
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return new \Aimeos\MW\MQueue\Message\AMQP( $msg ); |
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} |
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} |
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catch( \Exception $e ) |
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{ |
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throw new \Aimeos\MW\MQueue\Exception( $e->getMessage() ); |
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} |
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} |
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} |
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aimeos /
ai-mqueue
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