public int BatchWrite(Dictionary <string, object> tags, bool sync)
{
if (group == null)
{
return(-1);
}
SortedDictionary <ITag, object> dict = new SortedDictionary <ITag, object>();
foreach (var item in tags)
{
var tag = this[item.Key];
if (tag != null)
{
dict.Add(tag, item.Value);
}
}
return(group.BatchWrite(dict, sync));
}