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authorJeremy Stribling <strib@alum.mit.edu>2017-09-22 21:14:17 -0700
committerJeremy Stribling <strib@alum.mit.edu>2017-11-29 11:01:41 -0800
commitaa092f5474da3e9c3ff4f40b88849726b645f39f (patch)
tree08655a5576a113c2946b5eac2ca801b3f5eece6f /storage/memory/storage.go
parent2de4f034288bac895b0a87dcfb5cc3a2f9026f43 (diff)
downloadgo-git-aa092f5474da3e9c3ff4f40b88849726b645f39f.tar.gz
plumbing: add `HasEncodedObject` method to Storer
This allows the user to check whether an object exists, without reading all the object data from storage. Issue: KBFS-2445
Diffstat (limited to 'storage/memory/storage.go')
-rw-r--r--storage/memory/storage.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/storage/memory/storage.go b/storage/memory/storage.go
index 2d1a4b6..c76d163 100644
--- a/storage/memory/storage.go
+++ b/storage/memory/storage.go
@@ -115,6 +115,14 @@ func (o *ObjectStorage) SetEncodedObject(obj plumbing.EncodedObject) (plumbing.H
return h, nil
}
+func (o *ObjectStorage) HasEncodedObject(h plumbing.Hash) (err error) {
+ _, ok := o.Objects[h]
+ if !ok {
+ return plumbing.ErrObjectNotFound
+ }
+ return nil
+}
+
func (o *ObjectStorage) EncodedObject(t plumbing.ObjectType, h plumbing.Hash) (plumbing.EncodedObject, error) {
obj, ok := o.Objects[h]
if !ok || (plumbing.AnyObject != t && obj.Type() != t) {