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<?php |
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namespace TreeHouse\QueueBundle\Command; |
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use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand; |
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use Symfony\Component\Console\Helper\QuestionHelper; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Symfony\Component\Console\Question\ConfirmationQuestion; |
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use TreeHouse\Queue\Amqp\QueueInterface; |
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class QueueClearCommand extends ContainerAwareCommand |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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protected function configure() |
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{ |
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$this->setName('queue:clear'); |
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$this->addArgument('queue', InputArgument::REQUIRED, 'The name of the queue to purge'); |
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$this->setDescription('Purges all messages in a queue'); |
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$this->setHelp(<<<HELP |
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This utility command purges messages from a specified queue, by acknowledging |
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all messages. Note that this does not purge messages that have been retrieved |
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by consumers, but are unacknowledged (neither acked nor nacked). These messages |
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can be put back onto the queue be closing all connections (or restarting the |
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broker as a last resort). |
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<error>WARNING: this is a destructive operation and cannot be undone!</error> |
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HELP |
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); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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if ($input->isInteractive()) { |
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$question = new ConfirmationQuestion( |
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'<question>CAREFUL: this is a destructive operation, which cannot be undone! Are you sure you want to proceed? [n]</question> ', |
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false |
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); |
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if (!(new QuestionHelper())->ask($input, $output, $question)) { |
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return 0; |
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} |
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} |
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$name = $input->getArgument('queue'); |
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$queue = $this->getQueue($name); |
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$verbose = $output->getVerbosity() > $output::VERBOSITY_VERBOSE; |
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$output->writeln(sprintf('Purging queue <info>%s</info>', $name)); |
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$purged = 0; |
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while ($envelope = $queue->get()) { |
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++$purged; |
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if ($verbose) { |
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$output->writeln(sprintf('<option=bold;fg=red>- %s</option=bold;fg=red>', $envelope->getDeliveryTag())); |
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} else { |
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$output->write(str_pad(sprintf('Purged <info>%d</info> messages', $purged), 50, ' ', STR_PAD_RIGHT)); |
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$output->write("\x0D"); |
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} |
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} |
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$output->writeln(str_pad(sprintf('Purged <info>%d</info> messages', $purged), 50, ' ', STR_PAD_RIGHT)); |
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return 0; |
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} |
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/** |
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* @param string $name |
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* |
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* @return QueueInterface |
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*/ |
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protected function getQueue($name) |
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{ |
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return $this->getContainer()->get(sprintf('tree_house.queue.queue.%s', $name)); |
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} |
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} |
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treehouselabs /
queue-bundle
