Cache::findByExternalId

public function findByExternalId(string $externalId, string $sourceCode, string $languageId)
{
	$result = null;

	$externalIndex = $this->createExternalIdIndex($externalId, $sourceCode, $languageId);

	if(isset($this->externalIdMap[$externalIndex]))
	{
		$result = $this->pool->getItem($this->externalIdMap[$externalIndex]);
	}

	return $result;
}