/**
* {@inheritdoc}
*/
public function read()
{
$this->documentManager->clear();
if (!$this->executed) {
$this->executed = true;
if (!is_object($this->channel)) {
$this->channel = $this->channelManager->getChannelByCode($this->channel);
}
if ($this->missingCompleteness) {
$this->completenessManager->generateMissingForChannel($this->channel);
}
$this->query = $this->repository->buildByChannelAndCompleteness($this->channel)->getQuery();
$this->products = $this->getQuery()->execute();
// MongoDB Cursor are not positioned on first element (whereas ArrayIterator is)
// as long as getNext() hasn't be called
$this->products->getNext();
}
$result = $this->products->current();
if ($result) {
$this->metricConverter->convert($result, $this->channel);
$this->stepExecution->incrementSummaryInfo('read');
$this->products->next();
}
return $result;
}