/**
* Clear the specified collection and populates it with the content of $filePath
*
* The specified file should contain a JSON encoded array of documents
*
* @param string $collectionName
* @param string $filePath
* @return boolean
*/
public function loadJsonFileDatasetIntoCollection($collectionName, $filePath)
{
$collection = $this->getDatabase()->selectCollection($collectionName);
$loader = new JsonLoader($collection);
return $loader->loadFromJsonFile($filePath);
}