asyncManager.async(new ConcurrentAsyncCall() {
            @Override
            public void callback() {
                runnable.run();
            }

            @Override
            public boolean asPrimary() {
                return true; // mail is primary business
            }
        });
    }

    // ===================================================================================

        this.bufDataStart = 0;
        this.isPrimary = this.hasMore = true;
        this.parametersDone = this.dataDone = false;
    }


    @Override
    public boolean hasMoreElements () {
        return this.errorCode == 0 && this.hasMore;
    }


    @Override
    public SmbComTransactionResponse nextElement () {
        if ( this.isPrimary ) {
            this.isPrimary = false;
        }

    byte subCommand;
    boolean hasMore = true;
    boolean isPrimary = true;
    byte[] txn_buf;

    /* for doNetEnum and doFindFirstNext */
    int status;
    int numEntries;
    FileEntry[] results;

    SmbComTransactionResponse() {
        txn_buf = null;
    }

    void reset() {
        super.reset();
        bufDataStart = 0;
        isPrimary = hasMore = true; 
        parametersDone = dataDone = false;

        super.reset();
        this.isPrimary = this.hasMore = true;
    }


    protected void reset ( int key, String lastName ) {
        reset();
    }


    @Override
    public boolean hasMoreElements () {
        return this.hasMore;
    }


    @Override
    public SmbComTransaction nextElement () {
        if ( this.isPrimary ) {
            this.isPrimary = false;

    }

    void reset() {
        super.reset();
        isPrimary = hasMore = true; 
    }
    void reset( int key, String lastName ) {
        reset();
    }
    public boolean hasMoreElements() {
        return hasMore;
    }
    public Object nextElement() {
        if( isPrimary ) {
            isPrimary = false;

            parameterOffset = primarySetupOffset + ( setupCount * 2 ) + 2;