return this.nextCommand;
    }

    /**
     * Sets the read size for this message.
     *
     * @param readSize
     *            the readSize to set
     */
    public void setReadSize(final int readSize) {
        this.readSize = readSize;
    }

    /**
     * Checks whether this message is an asynchronous message.
     *
     * @return the async
     */