*/
    public final String getTargetHost () {
        return this.targetHost;
    }


    /**
     * @return whether the session is in use
     */
    @Override
    public boolean isInUse () {
        return this.usageCount.get() > 0;
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.SmbSession#unwrap(java.lang.Class)
     */
    @SuppressWarnings ( "unchecked" )

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