/**
* Attach consumer to process payload from queue
*
* @param AbstractConsumer $consumer Consumer to process payload and handle possible errors
* @param bool $auto_ack Should message been acknowledged upon receive
*
* @return mixed
*
* @throws SerializerException
* @throws Exception Any exception from pre/post-consume handlers and from exception handler
*/
public function consume(AbstractConsumer $consumer, $auto_ack = false)
{
if (!$consumer->active()) {
// prevent dirty consumer been listening on queue
return;
}
$outside_error = null;
try {
$consumer->begin($this);
$this->queue->consume(function (AMQPEnvelope $envelope) use($consumer) {
$delivery = $this->builder->build($envelope);
$this->feed($delivery, $consumer);
return $consumer->active();
}, $auto_ack ? AMQP_AUTOACK : AMQP_NOPARAM);
} catch (Exception $e) {
$outside_error = $e;
}
try {
$this->queue->cancel();
} catch (Exception $e) {
}
$consumer->end($this, $outside_error);
if ($outside_error) {
throw $outside_error;
}
}
/**
* @covers AMQPy\AbstractConsumer::active
* @covers AMQPy\AbstractConsumer::activate
* @covers AMQPy\AbstractConsumer::stop
*/
public function testActiveAndRelated()
{
$this->assertTrue($this->object->active());
$this->assertFalse($this->object->stop());
$this->assertFalse($this->object->stop());
$this->assertFalse($this->object->active());
$this->assertTrue($this->object->activate());
$this->assertTrue($this->object->activate());
$this->assertTrue($this->object->active());
$this->assertFalse($this->object->stop());
$this->assertFalse($this->object->active());
$this->assertTrue($this->object->activate());
$this->assertTrue($this->object->active());
}
public function feed(Delivery $delivery, AbstractConsumer $consumer)
{
$consumer->before($delivery, $this);
$consumer_exception = null;
$consume_result = null;
$consume_payload = null;
try {
$consume_payload = $this->getSerializers()->get($delivery->getProperties()->getContentType())->parse($delivery->getBody());
$consume_result = $consumer->consume($consume_payload, $delivery, $this);
} catch (Exception $e) {
$consumer_exception = $e;
}
if ($consumer_exception) {
$consumer->failure($consumer_exception, $delivery, $this);
} else {
$consumer->after($consume_result, $delivery, $this);
}
$consumer->always($consume_result, $consume_payload, $delivery, $this, $consumer_exception);
}
public function stop()
{
parent::stop();
}