1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
package chain
import (
"errors"
"fmt"
objectid "codeberg.org/lindenii/furgit/object/id"
objectstorer "codeberg.org/lindenii/furgit/object/storer"
objecttype "codeberg.org/lindenii/furgit/object/type"
)
// ReadBytesFull reads a full serialized object from the first backend that has it.
func (chain *Chain) ReadBytesFull(id objectid.ObjectID) ([]byte, error) {
for i, backend := range chain.backends {
full, err := backend.ReadBytesFull(id)
if err == nil {
return full, nil
}
if errors.Is(err, objectstorer.ErrObjectNotFound) {
continue
}
return nil, fmt.Errorf("objectstorer: backend %d read bytes full: %w", i, err)
}
return nil, objectstorer.ErrObjectNotFound
}
// ReadBytesContent reads an object's type and content bytes from the first backend that has it.
func (chain *Chain) ReadBytesContent(id objectid.ObjectID) (objecttype.Type, []byte, error) {
for i, backend := range chain.backends {
ty, content, err := backend.ReadBytesContent(id)
if err == nil {
return ty, content, nil
}
if errors.Is(err, objectstorer.ErrObjectNotFound) {
continue
}
return objecttype.TypeInvalid, nil, fmt.Errorf("objectstorer: backend %d read bytes content: %w", i, err)
}
return objecttype.TypeInvalid, nil, objectstorer.ErrObjectNotFound
}
|
