long reserved = this.currentReservedMinutesImpl(ownerDN, c);
long elapsed = totalElapsedMinutesImpl(ownerDN, c);
return new ElapsedAndReservedMinutes(elapsed, reserved);
} catch(SQLException e) {
logger.error("",e);
throw new WorkspaceException(e);
} finally {
if (c != null) {
returnConnection(c);
}
}