iter = this.sessions.listIterator();
            while (iter.hasNext()) {
                final SmbSessionImpl ssn = iter.next();
                if (ssn.getExpiration() != null && ssn.getExpiration() < now && !ssn.isInUse()) {
                    if (log.isDebugEnabled()) {
                        log.debug("Closing session after timeout " + ssn);
                    }

     * @return this session's UID
     */
    public int getUid() {
        return this.uid;
    }

    /**
     * @return this session's expiration time
     */
    public Long getExpiration() {
        return this.expiration > 0 ? this.expiration : null;
    }

    /**
     * @return this session's credentials
     */
    public CredentialsInternal getCredentials() {