diff options
Diffstat (limited to 'internal/state/join.go')
| -rw-r--r-- | internal/state/join.go | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/internal/state/join.go b/internal/state/join.go deleted file mode 100644 index 2b4011fe..00000000 --- a/internal/state/join.go +++ /dev/null @@ -1,60 +0,0 @@ -package state - -import ( - "errors" - "maps" -) - -var ( - ErrDuplicate = errors.New("store contains duplicates") -) - -/* -Joiner is the interface that wraps the Join method. - -The Join function uses Joiner if available. -*/ -type Joiner interface{ Join() (Entries, error) } - -// Join returns joined state entries of all active aids. -func Join(s Store) (Entries, error) { - if j, ok := s.(Joiner); ok { - return j.Join() - } - - var ( - aids []int - entries = make(Entries) - - el int - res Entries - loadErr error - ) - - if ln, err := s.List(); err != nil { - return nil, err - } else { - aids = ln - } - - for _, aid := range aids { - if _, err := s.Do(aid, func(c Cursor) { - res, loadErr = c.Load() - }); err != nil { - return nil, err - } - - if loadErr != nil { - return nil, loadErr - } - - // save expected length - el = len(entries) + len(res) - maps.Copy(entries, res) - if len(entries) != el { - return nil, ErrDuplicate - } - } - - return entries, nil -} |
