/**
* Add a File to Index
*
* @param File $file
*/
public function add(File $file)
{
# convert obj to array and store
$hash = $file->getFullPathHash();
$this->isChanged = true;
$this->changedFiles[$hash] = $file;
$file->getFileSize();
$this->files[$hash] = json_decode(json_encode($file), true);
}
