// GetAvailableParts returns an io.ReadCloser that will read the specified part of the object.
func (s *Storage) GetAvailableParts(oid *types.ObjectID) ([]*types.ObjectIndex, error) {
var result = make([]*types.ObjectIndex, 0, len(s.Parts))
if obj, ok := s.Parts[oid.Hash()]; ok {
for partNum := range obj {
result = append(result,
&types.ObjectIndex{
ObjID: oid,
Part: partNum,
})
}
}
return result, os.ErrNotExist
}
// Discard removes the object and its metadata.
func (s *Storage) Discard(id *types.ObjectID) error {
if _, ok := s.Objects[id.Hash()]; !ok {
return os.ErrNotExist
}
delete(s.Objects, id.Hash())
delete(s.Parts, id.Hash())
return nil
}
// GetMetadata returns the metadata for this object, if present.
func (s *Storage) GetMetadata(id *types.ObjectID) (*types.ObjectMetadata, error) {
if obj, ok := s.Objects[id.Hash()]; ok {
return obj, nil
}
return nil, os.ErrNotExist
}