func key(kind string, id interface{}, parent ...ds.Key) ds.Key {
p := ds.Key(nil)
if len(parent) > 0 {
p = parent[0]
}
switch x := id.(type) {
case string:
return dskey.New(globalAppID, "ns", kind, x, 0, p)
case int:
return dskey.New(globalAppID, "ns", kind, "", int64(x), p)
default:
return dskey.New(globalAppID, "ns", kind, "invalid", 100, p)
}
}
func (d *dataStoreData) entsKeyLocked(key ds.Key) (*memCollection, ds.Key) {
coll := "ents:" + key.Namespace()
ents := d.head.GetCollection(coll)
if ents == nil {
ents = d.head.SetCollection(coll, nil)
}
if dskey.Incomplete(key) {
idKey := []byte(nil)
if key.Parent() == nil {
idKey = rootIDsKey(key.Kind())
} else {
idKey = groupIDsKey(key)
}
id := incrementLocked(ents, idKey)
key = dskey.New(key.AppID(), key.Namespace(), key.Kind(), "", id, key.Parent())
}
return ents, key
}
func (d *dsImpl) NewKey(kind, stringID string, intID int64, parent ds.Key) ds.Key {
return dskey.New(globalAppID, d.ns, kind, stringID, intID, parent)
}
func rootIDsKey(kind string) []byte {
return keyBytes(dskey.New("", "", "__entity_root_ids__", kind, 0, nil))
}
func groupIDsKey(key ds.Key) []byte {
return keyBytes(dskey.New("", "", "__entity_group_ids__", "", 1, dskey.Root(key)))
}
func (ds) NewKey(kind string, sid string, iid int64, par datastore.Key) datastore.Key {
return dskey.New("dummy~appid", "", kind, sid, iid, par)
}