func AddItem(key string, val *model.GraphItem) {
itemlist, found := HistoryCache.Get(key)
var slist *tlist.SafeListLimited
if !found {
slist = tlist.NewSafeListLimited(defaultHistorySize)
HistoryCache.Put(key, slist)
} else {
slist = itemlist.(*tlist.SafeListLimited)
}
slist.PushFrontViolently(val)
}
func AddItem(key string, val *cmodel.GraphItem) {
itemlist, found := HistoryCache.Get(key)
var slist *tlist.SafeListLimited
if !found {
slist = tlist.NewSafeListLimited(defaultHistorySize)
HistoryCache.Put(key, slist)
} else {
slist = itemlist.(*tlist.SafeListLimited)
}
// old item should be drop
first := slist.Front()
if first == nil || first.(*cmodel.GraphItem).Timestamp < val.Timestamp { // first item or latest one
slist.PushFrontViolently(val)
}
}