func()

in lib/store/base/file_op.go [155:187]

• 33 lines of code
• 9 McCabe index (conditional complexity)

func (op *localFileOp) lockHelper(
	name string, l lockLevel, f func(name string, entry FileEntry)) (err error) {
	if _, err = op.reloadFileEntryHelper(name); err != nil {
		return err
	}
	var loaded bool
	if l == _lockLevelPeek {
		loaded = op.s.fileMap.LoadForPeek(name, func(name string, entry FileEntry) {
			if err = op.verifyStateHelper(name, entry); err != nil {
				return
			}
			f(name, entry)
		})
	} else if l == _lockLevelRead {
		loaded = op.s.fileMap.LoadForRead(name, func(name string, entry FileEntry) {
			if err = op.verifyStateHelper(name, entry); err != nil {
				return
			}
			f(name, entry)
		})
	} else if l == _lockLevelWrite {
		loaded = op.s.fileMap.LoadForWrite(name, func(name string, entry FileEntry) {
			if err = op.verifyStateHelper(name, entry); err != nil {
				return
			}
			f(name, entry)
		})
	}
	if !loaded {
		return os.ErrNotExist
	}
	return err
}