storage: Add object type hint parameter to ObjectStorage.Get. (#69)

Some storage backends can optimize object lookup if they get
the object type that is expected. So we the signature of the Get
method is now Get(Hash, ObjectType).

Added generic tests for storage backends.

1 files changed, 4 insertions, 4 deletions

diff --git a/examples/object_storage/storage.go b/examples/object_storage/storage.go
index c119adc..0513654 100644
--- a/examples/object_storage/storage.go
+++ b/examples/object_storage/storage.go
@@ -86,8 +86,8 @@ func (o *AerospikeObjectStorage) Set(obj core.Object) (core.Hash, error) {
 	return obj.Hash(), err
 }
 
-func (o *AerospikeObjectStorage) Get(h core.Hash) (core.Object, error) {
-	key, err := keyFromObject(h)
+func (o *AerospikeObjectStorage) Get(h core.Hash, t core.ObjectType) (core.Object, error) {
+	key, err := keyFromObject(h, t)
 	if err != nil {
 		return nil, err
 	}
@@ -113,8 +113,8 @@ func (o *AerospikeObjectStorage) Iter(t core.ObjectType) (core.ObjectIter, error
 	return &AerospikeObjectIter{t, rs.Records}, nil
 }
 
-func keyFromObject(h core.Hash) (*aerospike.Key, error) {
-	return aerospike.NewKey("test", "objects", h.String())
+func keyFromObject(h core.Hash, t core.ObjectType) (*aerospike.Key, error) {
+	return aerospike.NewKey("test", t.String(), h.String())
 }
 
 type AerospikeObjectIter struct {