public Map<String,Object> toMap() {
            Map<String,Object> map = new HashMap<String,Object>();
            map.put("uuid", this.uuid == null ? "" : this.uuid);
            map.put("memory_total", this.memoryTotal == null ? 0 : this.memoryTotal);
            map.put("memory_free", this.memoryFree == null ? 0 : this.memoryFree);
            map.put("live", this.live == null ? false : this.live);
            map.put("last_updated", this.lastUpdated == null ? new Date(0) : this.lastUpdated);
            map.put("other_config", this.otherConfig == null ? new HashMap<String, String>() : this.otherConfig);
            return map;
        }