this.maxDataCount = maxDataCount;
    }

    /**
     * Sets the transaction buffer
     * @param buffer
     *            the transaction buffer to use
     */
    public void setBuffer(final byte[] buffer) {
        this.txn_buf = buffer;
    }

    /**
     * Releases and returns the transaction buffer
     * @return the txn_buf
     */
    public byte[] releaseBuffer() {

                req.maxBufferSize = snd_buf_size;
                resp.reset();

                try {
                    BufferCache.getBuffers(req, resp);

                    /*
                     * First request w/ interim response
                     */

                    req.nextElement();
                    if (req.hasMoreElements()) {