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Consumer.php
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Consumer.php
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<?php
namespace Swarrot;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Swarrot\Broker\MessageProvider\MessageProviderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Swarrot\Processor\ProcessorInterface;
use Swarrot\Processor\ConfigurableInterface;
use Swarrot\Processor\InitializableInterface;
use Swarrot\Processor\TerminableInterface;
use Swarrot\Processor\SleepyInterface;
class Consumer
{
/**
* @var MessageProviderInterface
*/
protected $messageProvider;
/**
* @var ProcessorInterface
*/
protected $processor;
/**
* @var OptionsResolver
*/
protected $optionsResolver;
/**
* @var LoggerInterface
*/
protected $logger;
/**
* @param MessageProviderInterface $messageProvider
* @param ProcessorInterface $processor
* @param OptionsResolver $optionsResolver
* @param LoggerInterface $logger
*/
public function __construct(MessageProviderInterface $messageProvider, ProcessorInterface $processor, OptionsResolver $optionsResolver = null, LoggerInterface $logger = null)
{
$this->messageProvider = $messageProvider;
$this->processor = $processor;
$this->optionsResolver = $optionsResolver ?: new OptionsResolver();
$this->logger = $logger ?: new NullLogger();
}
/**
* consume.
*
* @param array $options Parameters sent to the processor
*/
public function consume(array $options = array())
{
$this->logger->debug(sprintf(
'Start consuming queue %s.',
$this->messageProvider->getQueueName()
));
$this->optionsResolver->setDefaults(array(
'poll_interval' => 50000,
'queue' => $this->messageProvider->getQueueName(),
));
if ($this->processor instanceof ConfigurableInterface) {
$this->processor->setDefaultOptions($this->optionsResolver);
}
$options = $this->optionsResolver->resolve($options);
if ($this->processor instanceof InitializableInterface) {
$this->processor->initialize($options);
}
while (true) {
while (null !== $message = $this->messageProvider->get()) {
if (false === $this->processor->process($message, $options)) {
break 2;
}
}
if ($this->processor instanceof SleepyInterface) {
if (false === $this->processor->sleep($options)) {
break;
}
}
usleep($options['poll_interval']);
}
if ($this->processor instanceof TerminableInterface) {
$this->processor->terminate($options);
}
}
/**
* @return MessageProviderInterface
*/
public function getMessageProvider()
{
return $this->messageProvider;
}
/**
* @param MessageProviderInterface $messageProvider Message provider
*
* @return self
*/
public function setMessageProvider(MessageProviderInterface $messageProvider)
{
$this->messageProvider = $messageProvider;
return $this;
}
/**
* @return ProcessorInterface
*/
public function getProcessor()
{
return $this->processor;
}
/**
* @param ProcessorInterface $processor
*
* @return self
*/
public function setProcessor($processor)
{
$this->processor = $processor;
return $this;
}
/**
* @return OptionsResolver
*/
public function getOptionsResolver()
{
return $this->optionsResolver;
}
/**
* @param OptionsResolver $optionsResolver
*
* @return self
*/
public function setOptionsResolver(OptionsResolver $optionsResolver)
{
$this->optionsResolver = $optionsResolver;
return $this;
}
}