protected function doExecute(\SplObjectStorage $process_group, ImporterInterface $importer, SourceInterface $source, $num_processes, $config)
{
$script_path = DEVOUR_COMMAND_START_DIR . '/batch.php';
do {
$this->limitProcess($process_group, $num_processes);
if ($importer->getTransporter()->runInNewProcess()) {
$args = ['php', $script_path, 'transport', $config, $source];
$builder = new ProcessBuilder($args);
$process = $builder->getProcess();
$process->start();
$process_group->attach($process);
return;
} else {
$stream = $importer->transport($source);
$args = ['php', $script_path, 'parse', $config, $source, $stream->getMetadata('uri')];
}
$builder = new ProcessBuilder($args);
$process = $builder->getProcess();
$process->start();
$process_group->attach($process);
} while ($importer->getTransporter()->progress($source) != ProgressInterface::COMPLETE);
}
/**
* Returns the newly minted importer.
*
* This method must be called last, and only once.
*
* @return \Devour\Importer\ImporterInterface
* The newly configured importer.
*
* @throws \LogicException
* Thrown if called more than once.
*/
public function build()
{
if ($this->hasBeenExecuted) {
throw new \LogicException('Builders can only be used once.');
}
$this->hasBeenExecuted = TRUE;
// Hello old faithful.
if (!$this->importer) {
$this->setImporter(new Importer());
}
$this->replayCommands();
if (!$this->importer->getLogger()) {
$this->doSetLogger(new NullLogger());
}
$this->importer->validate();
// Since this is potentially a long running process, we need to make an
// effort to clean up after ourselves.
$importer = $this->importer;
unset($this->importer, $this->commands, $this->clients);
return $importer;
}
