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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| package nds | ||
|
|
||
| import ( | ||
| "appengine" | ||
| "appengine/datastore" | ||
| ) | ||
|
|
||
| type Key struct { | ||
| *datastore.Key | ||
| } | ||
|
|
||
| func unwrapKeys(keys []*Key) []*datastore.Key { | ||
| datastoreKeys := make([]*datastore.Key, len(keys)) | ||
| for i, k := range keys { | ||
| datastoreKeys[i] = k.Key | ||
| } | ||
| return datastoreKeys | ||
| } | ||
|
|
||
| func wrapKeys(keys []*datastore.Key) []*Key { | ||
| ndsKeys := make([]*Key, len(keys)) | ||
| for i, k := range keys { | ||
| ndsKeys[i] = &Key{k} | ||
| } | ||
| return ndsKeys | ||
| } | ||
|
|
||
| func NewIncompleteKey(c appengine.Context, kind string, parent *Key) *Key { | ||
| var parentKey *datastore.Key | ||
| if parent != nil { | ||
| parentKey = parent.Key | ||
| } | ||
| return &Key{datastore.NewIncompleteKey(c, kind, parentKey)} | ||
| } | ||
|
|
||
| func NewKey(c appengine.Context, | ||
| kind, stringID string, intID int64, parent *Key) *Key { | ||
| var parentKey *datastore.Key | ||
| if parent != nil { | ||
| parentKey = parent.Key | ||
| } | ||
| return &Key{datastore.NewKey(c, kind, stringID, intID, parentKey)} | ||
| } | ||
|
|
||
| func (k *Key) Parent() *Key { | ||
| return &Key{k.Key.Parent()} | ||
| } | ||
|
|
||
| func (k *Key) Equal(o *Key) bool { | ||
| return k.Key.Equal(o.Key) | ||
| } | ||
|
|
||
| func DecodeKey(encoded string) (*Key, error) { | ||
| key, err := datastore.DecodeKey(encoded) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &Key{key}, err | ||
| } | ||
|
|
||
| func (k *Key) GobDecode(buf []byte) error { | ||
| key := &datastore.Key{} | ||
| if err := key.GobDecode(buf); err != nil { | ||
| return err | ||
| } | ||
| k.Key = key | ||
| return nil | ||
| } | ||
|
|
||
| func (k *Key) UnmarshalJSON(buf []byte) error { | ||
|
|
||
| key := &datastore.Key{} | ||
| if err := key.UnmarshalJSON(buf); err != nil { | ||
| return err | ||
| } | ||
| k.Key = key | ||
| return nil | ||
| } | ||
|
|
||
| func AllocateIDs(c appengine.Context, | ||
| kind string, parent *Key, n int) (low, high int64, err error) { | ||
|
|
||
| var parentKey *datastore.Key | ||
| if parent != nil { | ||
| parentKey = parent.Key | ||
| } | ||
|
|
||
| return datastore.AllocateIDs(c, kind, parentKey, n) | ||
| } |
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