* Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param dataIndexExecTime The parameter value of dataIndexExecTime. (NotNull)
     */
    public void setDataIndexExecTime(String dataIndexExecTime) {
        registerVariable("dataIndexExecTime", dataIndexExecTime);
    }

    /**
     * Set the value of dataIndexSize, used in parameter comment. <br>

                    postcard.setDataIndexSize(getValueFromMap(dataMap, "dataIndexSize", "0"));
                    postcard.setDataIndexExecTime(getValueFromMap(dataMap, "dataIndexExecTime", "0"));
                    postcard.setHostname(getValueFromMap(dataMap, "hostname", StringUtil.EMPTY));