public Map<String,Object> toMap() {
            Map<String,Object> map = new HashMap<String,Object>();
            map.put("name_label", this.nameLabel == null ? "" : this.nameLabel);
            map.put("name_description", this.nameDescription == null ? "" : this.nameDescription);
            map.put("enabled", this.enabled == null ? false : this.enabled);
            map.put("standard", this.standard == null ? false : this.standard);
            map.put("units", this.units == null ? "" : this.units);
            map.put("min", this.min == null ? 0.0 : this.min);
            map.put("max", this.max == null ? 0.0 : this.max);
            map.put("value", this.value == null ? 0.0 : this.value);
            return map;
        }