Runs an fstat for this file and repopulates the data

def query(self):
        """Runs an fstat for this file and repopulates the data"""

        self._p4dict = self._connection.run(['fstat', '-m', '1', self._p4dict['depotFile']])[0]
        self._head = HeadRevision(self._p4dict)

        self._filename = self.depotFile